Khan Academy - 2015-01-25

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Files
  1. Arts and humanities/02 - Music - 02 - Masterpieces old and new/01 - Ludwig van Beethoven_ Symphony No. 5 - 04 - Ludwig van Beethoven_ Symphony No. 5, a conducting lesson by Gerard Schwarz (1st Movement).webm 391.64MB
  2. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/01 - Ludwig van Beethoven_ Symphony No. 5 - 04 - Ludwig van Beethoven_ Symphony No. 5, a conducting lesson by Gerard Schwarz (1st Movement).webm 391.64MB
  3. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 03 - Scott Cook - Founder and Chairman of the Executive Committee, Intuit.webm 204.33MB
  4. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 07 - A conversation with Eric Schmidt and Jonathan Rosenberg.webm 188.39MB
  5. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 02 - Reid Hoffman - Founder of LinkedIn.webm 181.58MB
  6. Arts and humanities/06 - Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 01 - Hagia Sophia, Istanbul.webm 171.25MB
  7. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 05 - Hagia Sophia, Istanbul.webm 171.25MB
  8. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 04 - Angela Ahrendts - Former CEO of Burberry.webm 169.92MB
  9. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 04 - Redesigning a school toward blended learning/03 - Leading change in blended learning - 02 - Driving the process of innovation.webm 165.85MB
  10. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 12 - Meet Me - Art Making Programs for Individuals with Dementia.webm 160.00MB
  11. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 12 - How I Feel About Logarithms.webm 157.37MB
  12. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 11 - Meet Me - Art Discussion Programs for Individuals with Dementia.webm 153.86MB
  13. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 05 - Sean O'Sullivan - Founder of SOSventures.webm 151.20MB
  14. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 06 - Drew Houston - CEO and Founder of Dropbox.webm 144.61MB
  15. Partner content/09 - Asian Art Museum - 02 - South Asia/01 - South Asia - 01 - Beliefs made visible_ Hindu art in South Asia.webm 142.59MB
  16. Test prep/07 - AP* Art History - 02 - Introduction to cultures and religions for the study of AP Art History/01 - Introduction to cultures and religions for the study of AP Art History - 02 - Beliefs made visible_ Hindu art in South Asia.webm 142.59MB
  17. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/01 - Sal chats with entrepreneurs - 01 - Elon Musk - CEO of Tesla Motors and SpaceX.webm 140.98MB
  18. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/01 - Strings - 03 - Viola_ Interview and demonstration with principal Rebecca Young.webm 125.12MB
  19. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/01 - Strings - 03 - Viola_ Interview and demonstration with principal Rebecca Young.webm 125.12MB
  20. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/03 - Brass - 01 - French Horn_ Interview and demonstration with principal John Cerminaro.webm 121.85MB
  21. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/03 - Brass - 01 - French Horn_ Interview and demonstration with principal John Cerminaro.webm 121.85MB
  22. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 05 - Making aligned hardware, software, and space decisions in a blended learning environment/02 - Blended learning software - 02 - Criteria to pick software.webm 113.62MB
  23. Partner content/08 - American Museum of Natural History - 03 - Human Evolution/03 - Evolution and human health (American Museum of Natural History) - 03 - SciCafe_ the story of the human body with Daniel Lieberman.webm 107.86MB
  24. Partner content/08 - American Museum of Natural History - 02 - The Universe/04 - Universe - 05 - Our expanding Universe.webm 107.53MB
  25. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 02 - THIS IS ISA GENZKEN - MoMA.webm 99.25MB
  26. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 02 - Creating the ideal student experience in a blended learning classroom/01 - Student experience overview - 02 - The key elements of the student experience.webm 87.00MB
  27. Arts and humanities/07 - Renaissance and Reformation - 05 - Mannerism/01 - Mannerism - 08 - Cellini, Perseus.webm 85.25MB
  28. Partner content/02 - Tate - 03 - Global modernisms/03 - Asia - 01 - Ai Weiwei_ Sunflower Seeds.webm 84.74MB
  29. Test prep/07 - AP* Art History - 12 - Global contemporary_ 1980-present/01 - Global contemporary_ 1980-present - 04 - Ai Weiwei_ Sunflower Seeds.webm 84.74MB
  30. Math/23 - Recreational math - 01 - Doodling in Math and more/08 - Infinity . . . - 02 - How many kinds of infinity are there_.webm 84.67MB
  31. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/03 - Brass - 05 - Tuba_ Interview and demonstration with Chris Olka.webm 82.83MB
  32. Arts and humanities/02 - Music - 02 - Masterpieces old and new/03 - Igor Stravinsky_ Suite from The Firebird - 01 - Discovering Stravinsky's Firebird_ The story and the music.webm 81.18MB
  33. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/03 - Igor Stravinsky_ Suite from The Firebird - 01 - Discovering Stravinsky's Firebird_ The story and the music.webm 81.18MB
  34. Science/07 - Discoveries and projects - 02 - Reverse engineering/01 - Household - 02 - What is inside a coffee maker_.webm 78.13MB
  35. Partner content/09 - Asian Art Museum - 02 - South Asia/01 - South Asia - 02 - Beliefs made visible_ Buddhist art in South Asia.webm 77.70MB
  36. Test prep/07 - AP* Art History - 02 - Introduction to cultures and religions for the study of AP Art History/01 - Introduction to cultures and religions for the study of AP Art History - 03 - Beliefs made visible_ Buddhist art in South Asia.webm 77.70MB
  37. Test prep/07 - AP* Art History - 10 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E./01 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E. - 01 - Beliefs made visible_ Buddhist art in South Asia.webm 77.70MB
  38. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 02 - Creating the ideal student experience in a blended learning classroom/01 - Student experience overview - 03 - The learning environment in the protagonist schools.webm 77.50MB
  39. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 32 - Your immune system_ Natural born killer.webm 73.43MB
  40. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 32 - Your immune system_ Natural born killer.webm 73.43MB
  41. Science/07 - Discoveries and projects - 02 - Reverse engineering/01 - Household - 01 - What is inside an alarm clock radio_.webm 73.38MB
  42. Partner content/19 - Big History Project - 06 - 6. Early Humans/01 - 6.0—How Our Ancestors Evolved - 02 - Crash Course Big History_ Human Evolution.webm 71.36MB
  43. Partner content/19 - Big History Project - 05 - 5. Life/02 - 5.1—How Did Life Begin and Change_ - 04 - Crash Course Big History_ The Evolutionary Epic.webm 70.85MB
  44. Arts and humanities/02 - Music - 02 - Masterpieces old and new/01 - Ludwig van Beethoven_ Symphony No. 5 - 03 - Ludwig van Beethoven_ Symphony No. 5, analysis by Gerard Schwarz (part 3 and 4).webm 70.11MB
  45. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/01 - Ludwig van Beethoven_ Symphony No. 5 - 03 - Ludwig van Beethoven_ Symphony No. 5, analysis by Gerard Schwarz (part 3 and 4 ).webm 70.11MB
  46. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/01 - Strings - 05 - Bass_ Interview and demonstration with principal Alexander Hanna.webm 69.37MB
  47. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/01 - Strings - 05 - Bass_ Interview and demonstration with principal Alexander Hanna.webm 69.37MB
  48. Partner content/19 - Big History Project - 08 - 8. Expansion and Interconnection/01 - 8.0—Expansion - 02 - Crash Course Big History_ Modernity.webm 68.44MB
  49. Arts and humanities/02 - Music - 02 - Masterpieces old and new/04 - Maurice Ravel_ Suite No. 2 from Daphnis et Chloe - 01 - Maurice Ravel_ Daphnis et Chloé, analysis by Gerard Schwarz.webm 68.43MB
  50. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/04 - Maurice Ravel_ Suite No. 2 from Daphnis et Chloe - 01 - Maurice Ravel_ Daphnis et Chloé, analysis by Gerard Schwarz.webm 68.43MB
  51. Science/07 - Discoveries and projects - 02 - Reverse engineering/02 - Hair dryer - 02 - What is inside a hair dryer_ (2 of 2).webm 68.20MB
  52. Arts and humanities/01 - History - 04 - Before 1300_ Ancient and Medieval history/01 - Ancient - 03 - Ancient Rome.webm 67.88MB
  53. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/01 - A beginner's guide to ancient Rome - 01 - Ancient Rome.webm 67.88MB
  54. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./05 - Ancient Rome - 01 - Ancient Rome.webm 67.88MB
  55. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/01 - Strings - 01 - Harp_ Interview and demonstration with principal Nancy Allen.webm 67.00MB
  56. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/01 - Strings - 01 - Harp_ Interview and demonstration with principal Nancy Allen.webm 67.00MB
  57. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 03 - Biological Molecules - you are what you eat.webm 66.68MB
  58. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 03 - Biological Molecules - you are what you eat.webm 66.68MB
  59. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 01 - 6th graders learn to build a Spider robot.webm 66.04MB
  60. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 05 - Making aligned hardware, software, and space decisions in a blended learning environment/04 - Blended learning facilities and furniture - 01 - Making sure the facilities and furniture support your educational model.webm 66.01MB
  61. Arts and humanities/01 - History - 07 - Crash Course_ World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 06 - Capitalism and Socialism.webm 65.40MB
  62. Partner content/11 - Crash Course - 01 - Crash Course World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 06 - Capitalism and Socialism.webm 65.40MB
  63. Partner content/19 - Big History Project - 03 - 3. Stars and Elements/02 - 3.1—Creation of Complex Elements - 04 - Crash Course Big History_ Stars and Galaxies.webm 64.88MB
  64. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 23 - Complex animals_ Annelids and arthropods.webm 64.11MB
  65. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 23 - Complex animals_ Annelids and arthropods.webm 64.11MB
  66. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 08 - Photosynthesis.webm 63.73MB
  67. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 08 - Photosynthesis.webm 63.73MB
  68. Partner content/19 - Big History Project - 01 - 1. What Is Big History_/01 - 1.0—Welcome to Big History - 02 - Crash Course Big History_ The Big Bang.webm 63.10MB
  69. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 04 - Conservation of mosaics in Roman North Africa.webm 63.06MB
  70. Partner content/19 - Big History Project - 05 - 5. Life/01 - 5.0—What Is Life_ - 03 - Crash Course Big History_ The Origin of Life.webm 62.48MB
  71. Arts and humanities/02 - Music - 02 - Masterpieces old and new/02 - Antonín Dvořák_ Symphony No. 9 'From the New World' - 02 - Antonín Dvořák_ Symphony No. 9 'From the New World,' analysis by Gerard Schwarz (part 2).webm 62.28MB
  72. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/02 - Antonín Dvořák_ Symphony No. 9 'From the New World' - 02 - Antonín Dvořák_ Symphony No. 9 'From the New World,' analysis by Gerard Schwarz (part 2).webm 62.28MB
  73. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 08 - Jackson Pollock.webm 62.14MB
  74. Partner content/04 - The Museum of Modern Art - 04 - Abstract Expressionism/01 - Abstract Expressionism - 02 - Jackson Pollock.webm 62.14MB
  75. Partner content/19 - Big History Project - 06 - 6. Early Humans/04 - 6.3—How Did the First Humans Live_ - 01 - How Did The First Humans Live_.webm 62.12MB
  76. Arts and humanities/01 - History - 07 - Crash Course_ World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 09 - Globalization II - good or bad_.webm 61.73MB
  77. Partner content/11 - Crash Course - 01 - Crash Course World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 09 - Globalization II - good or bad_.webm 61.73MB
  78. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 01 - The history of life on earth.webm 61.66MB
  79. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 01 - The history of life on earth.webm 61.66MB
  80. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 30 - The skeletal system_ It's ALIVE_.webm 61.49MB
  81. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 30 - The skeletal system_ It's ALIVE_.webm 61.49MB
  82. Arts and humanities/01 - History - 07 - Crash Course_ World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 04 - Latin American Revolutions.webm 61.32MB
  83. Partner content/11 - Crash Course - 01 - Crash Course World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 04 - Latin American Revolutions.webm 61.32MB
  84. Partner content/19 - Big History Project - 10 - 10. The Future/02 - 10.1—The Biosphere - 01 - Crash Course World History_ Globalization II – Good or Bad_.webm 61.20MB
  85. Arts and humanities/01 - History - 07 - Crash Course_ World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 04 - Communists, Nationalists, and China's Revolutions.webm 61.03MB
  86. Partner content/11 - Crash Course - 01 - Crash Course World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 04 - Communists, Nationalists, and China's Revolutions.webm 61.03MB
  87. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 03 - Teaching in a blended learning environment – rethinking the role of the teacher/01 - An overview of the teacher experience - 02 - Rethinking the role of the teacher and the key shifts a teacher experiences.webm 60.99MB
  88. Arts and humanities/01 - History - 07 - Crash Course_ World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 05 - World War II.webm 60.45MB
  89. Partner content/11 - Crash Course - 01 - Crash Course World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 05 - World War II.webm 60.45MB
  90. Science/07 - Discoveries and projects - 03 - Robots/02 - Spout Bot with Solder - 06 - Spout motor wiring.webm 59.98MB
  91. Arts and humanities/01 - History - 07 - Crash Course_ World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 02 - Imperialism.webm 59.50MB
  92. Partner content/11 - Crash Course - 01 - Crash Course World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 02 - Imperialism.webm 59.50MB
  93. Math/23 - Recreational math - 01 - Doodling in Math and more/05 - Singing (and noises) - 03 - What is up with noises_ (The science and mathematics of sound, frequency, and pitch).webm 58.86MB
  94. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 04 - Community ecology_ Feel the love.webm 58.82MB
  95. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 04 - Community ecology_ Feel the love.webm 58.82MB
  96. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/04 - Printmaking - 05 - Intaglio process.webm 58.78MB
  97. Partner content/04 - The Museum of Modern Art - 01 - Printmaking/01 - Printmaking - 05 - Intaglio process.webm 58.78MB
  98. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/06 - Persian - 01 - The Cyrus Cylinder and Ancient Persia.webm 58.47MB
  99. Partner content/03 - The British Museum - 05 - The Middle East/01 - Ancient Near East - 03 - The Cyrus Cylinder and Ancient Persia.webm 58.47MB
  100. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/03 - Brass - 02 - Trumpet_ Interview and demonstration with principal David Bilger.webm 58.47MB
  101. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/03 - Brass - 02 - Trumpet_ Interview and demonstration with principal David Bilger.webm 58.47MB
  102. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 04 - Parthenon (Acropolis).webm 57.85MB
  103. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 08 - Parthenon (Acropolis).webm 57.85MB
  104. Arts and humanities/01 - History - 07 - Crash Course_ World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 07 - Decolonization and Nationalism Triumphant.webm 57.75MB
  105. Partner content/11 - Crash Course - 01 - Crash Course World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 07 - Decolonization and Nationalism Triumphant.webm 57.75MB
  106. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 08 - Single Slit Interference.webm 57.70MB
  107. Arts and humanities/01 - History - 07 - Crash Course_ World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 03 - Archdukes, Cynicism, and World War I.webm 57.49MB
  108. Partner content/11 - Crash Course - 01 - Crash Course World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 03 - Archdukes, Cynicism, and World War I.webm 57.49MB
  109. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 10 - DNA structure and replication.webm 57.29MB
  110. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 10 - DNA structure and replication.webm 57.29MB
  111. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 34 - The reproductive system_ How gonads go.webm 56.63MB
  112. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 34 - The reproductive system_ How gonads go.webm 56.63MB
  113. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 39 - Fungi_ Death Becomes Them.webm 56.48MB
  114. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 39 - Fungi_ Death Becomes Them.webm 56.48MB
  115. Math/23 - Recreational math - 01 - Doodling in Math and more/08 - Infinity . . . - 01 - 9.999... reasons that .999... _ 1.webm 56.31MB
  116. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 04 - Redesigning a school toward blended learning/03 - Leading change in blended learning - 01 - Leading organizational change to transform existing schools or launch new schools.webm 56.29MB
  117. Arts and humanities/01 - History - 07 - Crash Course_ World History/02 - Oh, so that’s where that comes from_ (the ancient Greeks, Persians, Indians, Chinese and the trade between them. Oh, and also the Romans) - 03 - 2000 Years of Chinese History_ The Mandate of Heaven and Confucius.webm 56.02MB
  118. Partner content/11 - Crash Course - 01 - Crash Course World History/02 - Oh, so that’s where that comes from_ (the ancient Greeks, Persians, Indians, Chinese and the trade between them. Oh, and also the Romans) - 03 - 2000 Years of Chinese History_ The Mandate of Heaven and Confucius.webm 56.02MB
  119. Arts and humanities/01 - History - 07 - Crash Course_ World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 01 - Christianity from Judaism to Constantine.webm 55.86MB
  120. Partner content/11 - Crash Course - 01 - Crash Course World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 01 - Christianity from Judaism to Constantine.webm 55.86MB
  121. Arts and humanities/01 - History - 07 - Crash Course_ World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 02 - The French Revolution.webm 55.82MB
  122. Partner content/11 - Crash Course - 01 - Crash Course World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 02 - The French Revolution.webm 55.82MB
  123. Partner content/19 - Big History Project - 04 - 4. Our Solar System and Earth/03 - 4.2—Why Is Plate Tectonics Important_ - 01 - Crash Course Big History_ The Solar System and the Earth.webm 55.77MB
  124. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 04 - Redesigning a school toward blended learning/02 - Challenging existing assumptions - 01 - New ways to structure the school day and year in blended-learning settings.webm 55.70MB
  125. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 25 - Bumper switches.webm 55.70MB
  126. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/04 - Percussion - 03 - Percussion_ Interview and demonstration with principal Chris Devine and members of the percussion section.webm 55.67MB
  127. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/04 - Percussion - 03 - Percussion_ Interview and demonstration with principal Chris Devine and members of the percussion section.webm 55.67MB
  128. Arts and humanities/01 - History - 07 - Crash Course_ World History/01 - What happens when you stay put (the Neolithic revolution and early River Valley civilizations) - 03 - Ancient Mesopotamia.webm 55.50MB
  129. Partner content/11 - Crash Course - 01 - Crash Course World History/01 - What happens when you stay put (the Neolithic revolution and early River Valley civilizations) - 03 - Ancient Mesopotamia.webm 55.50MB
  130. Arts and humanities/01 - History - 07 - Crash Course_ World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 02 - The Columbian Exchange.webm 55.12MB
  131. Partner content/11 - Crash Course - 01 - Crash Course World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 02 - The Columbian Exchange.webm 55.12MB
  132. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 07 - ATP and respiration.webm 55.03MB
  133. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 07 - ATP and respiration.webm 55.03MB
  134. Science/07 - Discoveries and projects - 03 - Robots/02 - Spout Bot with Solder - 07 - Spout wiring for LED eyes.webm 54.83MB
  135. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 31 - Big Guns_ The Muscular System.webm 54.80MB
  136. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 31 - Big Guns_ The Muscular System.webm 54.80MB
  137. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 14 - Natural Selection.webm 54.69MB
  138. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 14 - Natural Selection.webm 54.69MB
  139. Arts and humanities/01 - History - 07 - Crash Course_ World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 02 - Fall of Rome the Roman Empire... in the 15th Century.webm 54.63MB
  140. Partner content/11 - Crash Course - 01 - Crash Course World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 02 - Fall of Rome the Roman Empire... in the 15th Century.webm 54.63MB
  141. Math/23 - Recreational math - 01 - Doodling in Math and more/08 - Infinity . . . - 03 - Proof some infinities are bigger than other infinities.webm 54.31MB
  142. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 35 - Old and Odd_ Archaea, Bacteria and Protists.webm 54.31MB
  143. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 35 - Old and Odd_ Archaea, Bacteria and Protists.webm 54.31MB
  144. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 05 - In da club - Membranes and transport.webm 54.10MB
  145. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 05 - In da club - Membranes and transport.webm 54.10MB
  146. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 19 - Taxonomy_ Life's filing system.webm 54.07MB
  147. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 19 - Taxonomy_ Life's filing system.webm 54.07MB
  148. Arts and humanities/01 - History - 07 - Crash Course_ World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 06 - USA vs USSR Fight_ The Cold War.webm 54.06MB
  149. Partner content/11 - Crash Course - 01 - Crash Course World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 06 - USA vs USSR Fight_ The Cold War.webm 54.06MB
  150. Arts and humanities/01 - History - 07 - Crash Course_ World History/01 - What happens when you stay put (the Neolithic revolution and early River Valley civilizations) - 01 - The Agricultural Revolution.webm 53.91MB
  151. Partner content/11 - Crash Course - 01 - Crash Course World History/01 - What happens when you stay put (the Neolithic revolution and early River Valley civilizations) - 01 - The Agricultural Revolution.webm 53.91MB
  152. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 11 - DNA, hot pockets, and the longest word ever.webm 53.78MB
  153. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 11 - DNA, hot pockets, and the longest word ever.webm 53.78MB
  154. Science/07 - Discoveries and projects - 03 - Robots/02 - Spout Bot with Solder - 04 - Spout switches.webm 53.74MB
  155. Arts and humanities/01 - History - 07 - Crash Course_ World History/01 - What happens when you stay put (the Neolithic revolution and early River Valley civilizations) - 04 - Ancient Egypt.webm 53.72MB
  156. Partner content/11 - Crash Course - 01 - Crash Course World History/01 - What happens when you stay put (the Neolithic revolution and early River Valley civilizations) - 04 - Ancient Egypt.webm 53.72MB
  157. Partner content/19 - Big History Project - 10 - 10. The Future/01 - 10.0—Looking Back - 01 - The History of Everything—TED.webm 53.55MB
  158. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 22 - Simple animals_ Sponges, jellies, and octopuses.webm 53.29MB
  159. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 22 - Simple animals_ Sponges, jellies, and octopuses.webm 53.29MB
  160. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 02 - Water - Liquid awesome.webm 53.27MB
  161. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 02 - Water - Liquid awesome.webm 53.27MB
  162. Arts and humanities/02 - Music - 02 - Masterpieces old and new/06 - Bernard Rands_ Adieu - 01 - Adieu_ The composer and his work.webm 53.19MB
  163. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/06 - Bernard Rands_ Adieu - 01 - Adieu_ The composer and his work.webm 53.19MB
  164. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 20 - Evolution_ It's a Thing.webm 53.15MB
  165. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 20 - Evolution_ It's a Thing.webm 53.15MB
  166. Arts and humanities/01 - History - 07 - Crash Course_ World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 03 - The Haitian Revolutions.webm 53.06MB
  167. Partner content/11 - Crash Course - 01 - Crash Course World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 03 - The Haitian Revolutions.webm 53.06MB
  168. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 16 - Animal development_ We're just tubes.webm 52.85MB
  169. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 16 - Animal development_ We're just tubes.webm 52.85MB
  170. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/02 - Woodwinds - 08 - Bassoon_ Interview and demonstration with principal Nancy Goeres.webm 52.82MB
  171. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/02 - Woodwinds - 08 - Bassoon_ Interview and demonstration with principal Nancy Goeres.webm 52.82MB
  172. Partner content/06 - California Academy of Sciences - 04 - How is biodiversity studied_/01 - Biodiversity fieldwork - 02 - Field Methods for Documenting Biodiversity.webm 52.76MB
  173. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 18 - Population genetics_ When Darwin met Mendel.webm 52.63MB
  174. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 18 - Population genetics_ When Darwin met Mendel.webm 52.63MB
  175. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 33 - Great glands - Your endocrine system.webm 52.54MB
  176. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 33 - Great glands - Your endocrine system.webm 52.54MB
  177. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 28 - The digestive system.webm 52.17MB
  178. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 28 - The digestive system.webm 52.17MB
  179. Arts and humanities/02 - Music - 02 - Masterpieces old and new/01 - Ludwig van Beethoven_ Symphony No. 5 - 01 - Ludwig van Beethoven_ Symphony No. 5, analysis by Gerard Schwarz (part 1).webm 51.86MB
  180. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/01 - Ludwig van Beethoven_ Symphony No. 5 - 01 - Ludwig van Beethoven_ Symphony No. 5, analysis by Gerard Schwarz (part 1).webm 51.86MB
  181. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 37 - Vascular plants _ Winning_.webm 51.57MB
  182. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 37 - Vascular plants _ Winning_.webm 51.57MB
  183. Arts and humanities/01 - History - 07 - Crash Course_ World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 05 - The Seven Years War.webm 51.51MB
  184. Partner content/11 - Crash Course - 01 - Crash Course World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 05 - The Seven Years War.webm 51.51MB
  185. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 24 - Chordates.webm 51.51MB
  186. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 24 - Chordates.webm 51.51MB
  187. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 01 - What was up with Pythagoras_.webm 51.43MB
  188. Arts and humanities/01 - History - 07 - Crash Course_ World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 05 - The Crusades - Pilgrimage or Holy War_.webm 51.43MB
  189. Partner content/11 - Crash Course - 01 - Crash Course World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 05 - The Crusades - Pilgrimage or Holy War_.webm 51.43MB
  190. Arts and humanities/01 - History - 07 - Crash Course_ World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 03 - Islam, the Quran, and the Five Pillars all without a flamewar.webm 51.18MB
  191. Partner content/11 - Crash Course - 01 - Crash Course World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 03 - Islam, the Quran, and the Five Pillars all without a flamewar.webm 51.18MB
  192. Arts and humanities/01 - History - 07 - Crash Course_ World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 01 - Tea, Taxes, and the American Revolution.webm 51.07MB
  193. Partner content/11 - Crash Course - 01 - Crash Course World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 01 - Tea, Taxes, and the American Revolution.webm 51.07MB
  194. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 03 - Human population growth.webm 50.89MB
  195. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 03 - Human population growth.webm 50.89MB
  196. Arts and humanities/01 - History - 07 - Crash Course_ World History/04 - Road trip_ (conquest, trade, and more conquest) - 01 - Wait for it... the Mongols_.webm 50.80MB
  197. Partner content/11 - Crash Course - 01 - Crash Course World History/04 - Road trip_ (conquest, trade, and more conquest) - 01 - Wait for it... the Mongols_.webm 50.80MB
  198. Arts and humanities/01 - History - 07 - Crash Course_ World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 01 - The Renaissance_ Was it a Thing_.webm 50.75MB
  199. Partner content/11 - Crash Course - 01 - Crash Course World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 01 - The Renaissance_ Was it a Thing_.webm 50.75MB
  200. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 06 - Plant cells.webm 50.71MB
  201. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 06 - Plant cells.webm 50.71MB
  202. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/07 - Taste (gustation) and smell (olfaction) - 01 - Olfaction - structure and function.webm 50.64MB
  203. Test prep/02 - MCAT - 06 - Processing the environment/05 - Taste (gustation) and smell (olfaction) - 01 - Olfaction - structure and function.webm 50.64MB
  204. Arts and humanities/01 - History - 07 - Crash Course_ World History/02 - Oh, so that’s where that comes from_ (the ancient Greeks, Persians, Indians, Chinese and the trade between them. Oh, and also the Romans) - 05 - The Roman Empire. Or Republic. Or... which was it_.webm 50.48MB
  205. Partner content/11 - Crash Course - 01 - Crash Course World History/02 - Oh, so that’s where that comes from_ (the ancient Greeks, Persians, Indians, Chinese and the trade between them. Oh, and also the Romans) - 05 - The Roman Empire. Or Republic. Or... which was it_.webm 50.48MB
  206. Arts and humanities/01 - History - 07 - Crash Course_ World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 01 - Samurai, Daimyo, Matthew Perry, and Nationalism.webm 50.24MB
  207. Partner content/11 - Crash Course - 01 - Crash Course World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 01 - Samurai, Daimyo, Matthew Perry, and Nationalism.webm 50.24MB
  208. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 02 - Population ecology_ The Texas mosquito mystery.webm 50.23MB
  209. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 02 - Population ecology_ The Texas mosquito mystery.webm 50.23MB
  210. Arts and humanities/01 - History - 07 - Crash Course_ World History/02 - Oh, so that’s where that comes from_ (the ancient Greeks, Persians, Indians, Chinese and the trade between them. Oh, and also the Romans) - 02 - Buddha and Ashoka.webm 50.22MB
  211. Partner content/11 - Crash Course - 01 - Crash Course World History/02 - Oh, so that’s where that comes from_ (the ancient Greeks, Persians, Indians, Chinese and the trade between them. Oh, and also the Romans) - 02 - Buddha and Ashoka.webm 50.22MB
  212. Partner content/19 - Big History Project - 09 - 9. Acceleration/01 - 9.0—Acceleration - 02 - Crash Course World History_ The Industrial Revolution.webm 50.17MB
  213. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 02 - Gold-ground panel painting.webm 50.14MB
  214. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/06 - A beginner's guide to the Late Gothic - 01 - Gold-ground panel painting.webm 50.14MB
  215. Partner content/05 - The J. Paul Getty Museum - 05 - Paintings/01 - Paintings - 03 - Gold-ground panel painting.webm 50.14MB
  216. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 10 - 5 human impacts on the environment.webm 49.99MB
  217. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 10 - 5 human impacts on the environment.webm 49.99MB
  218. Arts and humanities/01 - History - 07 - Crash Course_ World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 03 - The Atlantic Slave Trade.webm 49.82MB
  219. Partner content/11 - Crash Course - 01 - Crash Course World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 03 - The Atlantic Slave Trade.webm 49.82MB
  220. Arts and humanities/01 - History - 07 - Crash Course_ World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 05 - Coal, steam, and the Industrial Revolution.webm 49.75MB
  221. Partner content/11 - Crash Course - 01 - Crash Course World History/06 - You ain’t the boss of me_ Oh, maybe you are (Revolution and Modern Society) - 05 - Coal, steam, and the Industrial Revolution.webm 49.75MB
  222. Arts and humanities/06 - Medieval Europe - 04 - Byzantine (late Roman Empire)/03 - Venice and Ravenna - 01 - San Vitale, Ravenna.webm 49.73MB
  223. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 04 - San Vitale, Ravenna.webm 49.73MB
  224. Partner content/19 - Big History Project - 05 - 5. Life/06 - Other Materials - 04 - The Carbon Cycle.webm 49.68MB
  225. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 15 - Speciation_ Of ligers and men.webm 49.61MB
  226. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 15 - Speciation_ Of ligers and men.webm 49.61MB
  227. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 36 - The sex lives of nonvascular plants.webm 48.95MB
  228. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 36 - The sex lives of nonvascular plants.webm 48.95MB
  229. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 29 - The excretory system_ From your heart to the toilet.webm 48.90MB
  230. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 29 - The excretory system_ From your heart to the toilet.webm 48.90MB
  231. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/02 - Woodwinds - 02 - Flute_ Interview and demonstration with principal Jeffrey Khaner.webm 48.81MB
  232. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/02 - Woodwinds - 02 - Flute_ Interview and demonstration with principal Jeffrey Khaner.webm 48.81MB
  233. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 11 - Social movements.webm 48.74MB
  234. Arts and humanities/01 - History - 07 - Crash Course_ World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 04 - The Dark Ages...how dark were they, really_.webm 48.73MB
  235. Partner content/11 - Crash Course - 01 - Crash Course World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 04 - The Dark Ages...how dark were they, really_.webm 48.73MB
  236. Arts and humanities/01 - History - 07 - Crash Course_ World History/02 - Oh, so that’s where that comes from_ (the ancient Greeks, Persians, Indians, Chinese and the trade between them. Oh, and also the Romans) - 01 - Greeks and Persians.webm 48.54MB
  237. Partner content/11 - Crash Course - 01 - Crash Course World History/02 - Oh, so that’s where that comes from_ (the ancient Greeks, Persians, Indians, Chinese and the trade between them. Oh, and also the Romans) - 01 - Greeks and Persians.webm 48.54MB
  238. Partner content/19 - Big History Project - 06 - 6. Early Humans/06 - Other Materials - 01 - How Did Our Ancestors Evolve_.webm 48.51MB
  239. Arts and humanities/01 - History - 07 - Crash Course_ World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 08 - Globalization I - The upside.webm 48.45MB
  240. Partner content/11 - Crash Course - 01 - Crash Course World History/07 - Nationalism, Imperialism and Globalization_ the good, the bad and the really, really ugly - 08 - Globalization I - The upside.webm 48.45MB
  241. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 25 - Animal behavior.webm 48.09MB
  242. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 25 - Animal behavior.webm 48.09MB
  243. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/02 - Woodwinds - 06 - Oboe_ Interview and demonstration with principal John Ferrillo.mp4 47.96MB
  244. Arts and humanities/01 - History - 07 - Crash Course_ World History/04 - Road trip_ (conquest, trade, and more conquest) - 04 - Russia, the Kievan Rus, and the Mongols.webm 47.85MB
  245. Partner content/11 - Crash Course - 01 - Crash Course World History/04 - Road trip_ (conquest, trade, and more conquest) - 04 - Russia, the Kievan Rus, and the Mongols.webm 47.85MB
  246. Arts and humanities/02 - Music - 02 - Masterpieces old and new/02 - Antonín Dvořák_ Symphony No. 9 'From the New World' - 01 - Antonín Dvořák_ Symphony No. 9 'From the New World,' analysis by Gerard Schwarz (part 1).webm 47.61MB
  247. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/02 - Antonín Dvořák_ Symphony No. 9 'From the New World' - 01 - Antonín Dvořák_ Symphony No. 9 'From the New World,' analysis by Gerard Schwarz (part 1).webm 47.61MB
  248. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/02 - Woodwinds - 01 - Piccolo_ Interview and demonstration with Nadine Asin.webm 47.61MB
  249. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/02 - Woodwinds - 01 - Piccolo_ Interview and demonstration with Nadine Asin.webm 47.61MB
  250. Arts and humanities/02 - Music - 02 - Masterpieces old and new/02 - Antonín Dvořák_ Symphony No. 9 'From the New World' - 04 - Antonín Dvořák_ Symphony No. 9 'From the New World,' analysis by Gerard Schwarz (part 4).webm 47.59MB
  251. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/02 - Antonín Dvořák_ Symphony No. 9 'From the New World' - 04 - Antonín Dvořák_ Symphony No. 9 'From the New World,' analysis by Gerard Schwarz (part 4).webm 47.59MB
  252. Science/07 - Discoveries and projects - 02 - Reverse engineering/03 - DVD player - 04 - What is inside a DVD player_ (4 of 5).webm 47.56MB
  253. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 38 - The plants and the bees_ Plant reproduction.webm 47.39MB
  254. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 38 - The plants and the bees_ Plant reproduction.webm 47.39MB
  255. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 05 - Community ecology II_ Predators.webm 47.21MB
  256. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 05 - Community ecology II_ Predators.webm 47.21MB
  257. Science/07 - Discoveries and projects - 05 - Projectile launcher/01 - Projectile launcher - 02 - Build a ping pong ball launcher.webm 47.19MB
  258. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/11 - Dave Smith - CEO and Founder of TekScape IT - 04 - Top of the World, Ma.webm 47.01MB
  259. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 13 - Meiosis_ Where the sex starts.webm 46.96MB
  260. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 13 - Meiosis_ Where the sex starts.webm 46.96MB
  261. Arts and humanities/01 - History - 07 - Crash Course_ World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 04 - The Spanish Empire, silver, and runaway inflation.webm 46.79MB
  262. Partner content/11 - Crash Course - 01 - Crash Course World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 04 - The Spanish Empire, silver, and runaway inflation.webm 46.79MB
  263. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/03 - Brass - 03 - Trombone_ Interview and demonstration with principal Joseph Alessi.webm 46.78MB
  264. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/03 - Brass - 03 - Trombone_ Interview and demonstration with principal Joseph Alessi.webm 46.78MB
  265. Arts and humanities/01 - History - 07 - Crash Course_ World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 06 - Mansa Musa and Islam in Africa.webm 46.76MB
  266. Partner content/11 - Crash Course - 01 - Crash Course World History/03 - What’s God got to do with it_ - a lot (Early Christianity, Byzantium, Islam, and Medieval Europe) - 06 - Mansa Musa and Islam in Africa.webm 46.76MB
  267. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 14 - Motor controller.webm 46.43MB
  268. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 27 - Circulatory and respiratory systems.webm 46.27MB
  269. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 27 - Circulatory and respiratory systems.webm 46.27MB
  270. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 07 - Wheel mounts and fenders.webm 46.25MB
  271. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 26 - The nervous system.webm 46.14MB
  272. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 26 - The nervous system.webm 46.14MB
  273. Arts and humanities/01 - History - 07 - Crash Course_ World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 06 - The amazing life and strange death of Captain Cook.webm 46.12MB
  274. Partner content/11 - Crash Course - 01 - Crash Course World History/05 - When people do great and really terrible things (The Renaissance, Colonialism, and the Slave Trade) - 06 - The amazing life and strange death of Captain Cook.webm 46.12MB
  275. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 40 - Ecology - Rules for living on earth.webm 46.09MB
  276. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 40 - Ecology - Rules for living on earth.webm 46.09MB
  277. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 05 - Gerhard Richter, September.webm 46.00MB
  278. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/02 - Woodwinds - 06 - Oboe_ Interview and demonstration with principal John Ferrillo.webm 45.98MB
  279. Partner content/19 - Big History Project - 01 - 1. What Is Big History_/02 - 1.1—Scale - 01 - Powers of Ten™ (1977).webm 45.91MB
  280. Arts and humanities/01 - History - 07 - Crash Course_ World History/04 - Road trip_ (conquest, trade, and more conquest) - 05 - Columbus, de Gama, and Zheng He_ 15th Century Mariners.webm 45.76MB
  281. Partner content/11 - Crash Course - 01 - Crash Course World History/04 - Road trip_ (conquest, trade, and more conquest) - 05 - Columbus, de Gama, and Zheng He_ 15th Century Mariners.webm 45.76MB
  282. Partner content/19 - Big History Project - 02 - 2. The Big Bang/02 - 2.1—The Big Bang - 01 - What Emerged from the Big Bang_.webm 45.71MB
  283. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 07 - Ecosystem ecology_ Links in the chain.webm 45.70MB
  284. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 07 - Ecosystem ecology_ Links in the chain.webm 45.70MB
  285. Science/07 - Discoveries and projects - 02 - Reverse engineering/04 - Digital camera - 01 - What is inside a digital camera_ (1 of 2).webm 45.67MB
  286. Math/23 - Recreational math - 01 - Doodling in Math and more/02 - Doodling in math - 06 - Doodling in math_ Connecting dots.webm 45.48MB
  287. Partner content/19 - Big History Project - 03 - 3. Stars and Elements/03 - 3.2—Way of Knowing_ Stars and Elements - 02 - Crash Course Chemistry_ Periodic Table of Elements.webm 45.41MB
  288. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 04 - Eukaryopolis - The city of animal cells.webm 45.10MB
  289. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 04 - Eukaryopolis - The city of animal cells.webm 45.10MB
  290. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 12 - Conservation and restoration ecology.webm 45.04MB
  291. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 12 - Conservation and restoration ecology.webm 45.04MB
  292. Partner content/08 - American Museum of Natural History - 03 - Human Evolution/03 - Evolution and human health (American Museum of Natural History) - 02 - Malaria—natural selection and new medicine.webm 45.03MB
  293. Partner content/08 - American Museum of Natural History - 03 - Human Evolution/02 - Human evolution_ The evidence (American Museum of Natural History) - 03 - Expedition Rusinga—uncovering our adaptive origins.webm 44.98MB
  294. Arts and humanities/01 - History - 07 - Crash Course_ World History/04 - Road trip_ (conquest, trade, and more conquest) - 03 - Venice and the Ottoman Empire.webm 44.83MB
  295. Partner content/11 - Crash Course - 01 - Crash Course World History/04 - Road trip_ (conquest, trade, and more conquest) - 03 - Venice and the Ottoman Empire.webm 44.83MB
  296. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/12 - Renaud Laplanche - Founder of Lending Club - 02 - Building Trust and Confidence.webm 44.69MB
  297. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 08 - Demographic transition.webm 44.69MB
  298. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/02 - Woodwinds - 07 - English Horn_ Interview and demonstration with Pedro Diaz.webm 44.20MB
  299. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/02 - Woodwinds - 07 - English Horn_ Interview and demonstration with Pedro Diaz.webm 44.20MB
  300. Arts and humanities/02 - Music - 02 - Masterpieces old and new/01 - Ludwig van Beethoven_ Symphony No. 5 - 02 - Ludwig van Beethoven_ Symphony No. 5 Analysis by Gerard Schwarz (part 2).webm 44.13MB
  301. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/01 - Ludwig van Beethoven_ Symphony No. 5 - 02 - Ludwig van Beethoven_ Symphony No. 5 Analysis by Gerard Schwarz (part 2).webm 44.13MB
  302. Math/23 - Recreational math - 01 - Doodling in Math and more/02 - Doodling in math - 10 - Doodling in math_ Dragon dungeons.webm 43.96MB
  303. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 09 - Heredity.webm 43.86MB
  304. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 09 - Heredity.webm 43.86MB
  305. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/05 - Spain - 05 - Making a Spanish polychrome sculpture.webm 43.71MB
  306. Partner content/05 - The J. Paul Getty Museum - 07 - Sculpture/01 - Sculpture - 01 - Making a Spanish polychrome sculpture.webm 43.71MB
  307. Partner content/19 - Big History Project - 04 - 4. Our Solar System and Earth/01 - 4.0—Earth and the Formation of Our Solar System - 02 - How Did Earth and the Solar System Form_.webm 43.32MB
  308. Partner content/06 - California Academy of Sciences - 05 - Why is biodiversity threatened_/02 - Global threats to biodiversity - 02 - Demystifying ocean acidification and biodiversity impacts.webm 43.11MB
  309. Arts and humanities/01 - History - 07 - Crash Course_ World History/04 - Road trip_ (conquest, trade, and more conquest) - 02 - International commerce, snorkeling camels, and the Indian Ocean Trade.webm 43.07MB
  310. Partner content/11 - Crash Course - 01 - Crash Course World History/04 - Road trip_ (conquest, trade, and more conquest) - 02 - International commerce, snorkeling camels, and the Indian Ocean Trade.webm 43.07MB
  311. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/04 - Percussion - 01 - Timpani_ Interview and demonstration with principal Jauvon Gilliam.webm 42.87MB
  312. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/04 - Percussion - 01 - Timpani_ Interview and demonstration with principal Jauvon Gilliam.webm 42.87MB
  313. Partner content/19 - Big History Project - 08 - 8. Expansion and Interconnection/02 - 8.1—Exploration and Interconnection - 01 - How Did the World Become Interconnected_.webm 42.22MB
  314. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 26 - LED eyes.webm 42.19MB
  315. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/02 - Woodwinds - 05 - Bass Clarinet_ Interview and demonstration with James Ognibene.webm 42.06MB
  316. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/02 - Woodwinds - 05 - Bass Clarinet_ Interview and demonstration with James Ognibene.webm 42.06MB
  317. Arts and humanities/06 - Medieval Europe - 03 - Early Christian/01 - Early Christian - 01 - Catacomb of Priscilla, Rome.webm 41.78MB
  318. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 01 - Catacomb of Priscilla, Rome.webm 41.78MB
  319. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 04 - Redesigning a school toward blended learning/02 - Challenging existing assumptions - 02 - New ways to group students and organize staff.webm 41.68MB
  320. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 04 - Cathedral of Notre Dame de Chartres (part 3).webm 41.65MB
  321. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 12 - Cathedral of Notre Dame de Chartres (part 3).webm 41.65MB
  322. Partner content/06 - California Academy of Sciences - 06 - How can biodiversity be protected_/01 - Harnessing science and education for biodiversity conservation - 01 - Science and education join forces to protect biodiversity.webm 41.62MB
  323. Partner content/19 - Big History Project - 07 - 7. Agriculture and Civilization/02 - 7.1—The First Cities and States Appear - 01 - Where and Why Did the First Cities and States Appear_.webm 41.58MB
  324. Partner content/01 - The Metropolitan Museum of Art - 03 - Making, finding, and conserving/01 - Making, finding, and conserving - 05 - Conserving the Emperors Carpet.webm 41.58MB
  325. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/04 - Printmaking - 07 - Lithography process.webm 41.56MB
  326. Partner content/04 - The Museum of Modern Art - 01 - Printmaking/01 - Printmaking - 07 - Lithography process.webm 41.56MB
  327. Arts and humanities/01 - History - 07 - Crash Course_ World History/02 - Oh, so that’s where that comes from_ (the ancient Greeks, Persians, Indians, Chinese and the trade between them. Oh, and also the Romans) - 04 - The Silk Road and ancient trade.webm 41.18MB
  328. Partner content/11 - Crash Course - 01 - Crash Course World History/02 - Oh, so that’s where that comes from_ (the ancient Greeks, Persians, Indians, Chinese and the trade between them. Oh, and also the Romans) - 04 - The Silk Road and ancient trade.webm 41.18MB
  329. Math/23 - Recreational math - 01 - Doodling in Math and more/05 - Singing (and noises) - 04 - Folding space-time.webm 40.92MB
  330. Partner content/19 - Big History Project - 09 - 9. Acceleration/03 - 9.2—Changing Economies - 01 - How Was the Modern World Created_.webm 40.84MB
  331. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 08 - The hydrologic and carbon cycles_ Always recycle_.webm 40.82MB
  332. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 08 - The hydrologic and carbon cycles_ Always recycle_.webm 40.82MB
  333. Arts and humanities/12 - Arts of the Islamic world - 04 - Late period/01 - Late period - 03 - Mimar Sinan, Rüstem Pasha Mosque.webm 40.77MB
  334. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 11 - Pollution.webm 40.76MB
  335. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 11 - Pollution.webm 40.76MB
  336. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 12 - Mitosis_ Splitting up is complicated.webm 40.60MB
  337. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 12 - Mitosis_ Splitting up is complicated.webm 40.60MB
  338. Partner content/09 - Asian Art Museum - 10 - Islam/01 - Islam - 03 - Hajj Stories_ Performing the Hajj (Part 1 of 2).webm 40.52MB
  339. Science/07 - Discoveries and projects - 03 - Robots/02 - Spout Bot with Solder - 08 - Spout antennae and tail.webm 40.51MB
  340. Science/06 - Health and medicine - 04 - Circulatory system diseases/12 - Vasculitis - 03 - Temporal arteritis.webm 40.33MB
  341. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/05 - Vasculitis - 03 - Temporal arteritis.webm 40.33MB
  342. Partner content/19 - Big History Project - 09 - 9. Acceleration/01 - 9.0—Acceleration - 03 - How Did Change Accelerate_.webm 40.20MB
  343. Partner content/19 - Big History Project - 02 - 2. The Big Bang/01 - 2.0—How Did Our Understanding of the Universe Change_ - 01 - How Did Our View of the Universe Change_.webm 40.04MB
  344. Arts and humanities/11 - Toward a global culture - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 03 - Gabriel Orozco.webm 39.99MB
  345. Partner content/02 - Tate - 03 - Global modernisms/02 - Latin America - 03 - Gabriel Orozco.webm 39.99MB
  346. Partner content/06 - California Academy of Sciences - 05 - Why is biodiversity threatened_/01 - Local threats to biodiversity - 01 - Human activities that threaten biodiversity.webm 39.56MB
  347. Arts and humanities/03 - Art history basics - 03 - Art 1010/01 - Art 1010 - 04 - Renaissance art.webm 39.51MB
  348. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 17 - Evolutionary development_ Chicken teeth.webm 39.49MB
  349. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 17 - Evolutionary development_ Chicken teeth.webm 39.49MB
  350. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 21 - Comparative anatomy_ What makes us animals.webm 39.44MB
  351. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 21 - Comparative anatomy_ What makes us animals.webm 39.44MB
  352. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 04 - Spermatogenesis.mp4 39.29MB
  353. Arts and humanities/02 - Music - 02 - Masterpieces old and new/05 - Augusta Read Thomas_ Of Paradise and Light - 01 - Of Paradise and Light_ The composer and her work.webm 38.96MB
  354. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/05 - Augusta Read Thomas_ Of Paradise and Light - 01 - Of Paradise and Light_ The composer and her work.webm 38.96MB
  355. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 06 - Ecological succession_ Change is good.webm 38.89MB
  356. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 06 - Ecological succession_ Change is good.webm 38.89MB
  357. Partner content/19 - Big History Project - 07 - 7. Agriculture and Civilization/01 - 7.0—The Rise of Agriculture - 02 - Why Was Agriculture So Important_.webm 38.76MB
  358. Science/07 - Discoveries and projects - 03 - Robots/03 - Spout Bot without Solder - 07 - Install on_off switches.webm 38.44MB
  359. Arts and humanities/01 - History - 07 - Crash Course_ World History/01 - What happens when you stay put (the Neolithic revolution and early River Valley civilizations) - 02 - Indus Valley civilization.webm 38.39MB
  360. Partner content/11 - Crash Course - 01 - Crash Course World History/01 - What happens when you stay put (the Neolithic revolution and early River Valley civilizations) - 02 - Indus Valley civilization.webm 38.39MB
  361. Math/23 - Recreational math - 01 - Doodling in Math and more/06 - Mobius strips - 02 - Mobius story_ Wind and Mr. Ug.webm 38.16MB
  362. Partner content/01 - The Metropolitan Museum of Art - 03 - Making, finding, and conserving/01 - Making, finding, and conserving - 07 - Craftsman Allan Breed Turns and Carves a Duncan Phyfe Bedpost.webm 38.12MB
  363. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/02 - Woodwinds - 04 - Clarinet_ Interview and demonstration with principal Jon Manasse.webm 38.11MB
  364. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/02 - Woodwinds - 04 - Clarinet_ Interview and demonstration with principal Jon Manasse.webm 38.11MB
  365. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 08 - The Gauss Christmath Special.webm 38.06MB
  366. Math/23 - Recreational math - 01 - Doodling in Math and more/02 - Doodling in math - 09 - Doodling in math_ Dragons.webm 37.87MB
  367. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/06 - Late classical (4th century) - 03 - Alexander Sarcophagus.webm 37.85MB
  368. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/11 - Dave Smith - CEO and Founder of TekScape IT - 02 - Engineering a Solution to Every Problem.webm 37.36MB
  369. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/02 - Crash Course Ecology - 09 - Nitrogen and phosphorus cycles_ Always recycle_.webm 37.25MB
  370. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/02 - Crash Course_ Ecology - 09 - Nitrogen and phosphorus cycles_ Always recycle_.webm 37.25MB
  371. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 19 - Raphael, School of Athens.webm 37.15MB
  372. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 11 - Raphael, School of Athens.webm 37.15MB
  373. Math/23 - Recreational math - 01 - Doodling in Math and more/02 - Doodling in math - 11 - Doodling in math_ Dragon scales.webm 37.09MB
  374. Arts and humanities/03 - Art history basics - 01 - First things first/01 - First things first - 05 - Looking at paintings.webm 37.03MB
  375. Partner content/05 - The J. Paul Getty Museum - 05 - Paintings/01 - Paintings - 02 - Looking at paintings.webm 37.03MB
  376. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 16 - CNN_ Understanding the crisis.webm 36.99MB
  377. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 01 - CNN_ Understanding the crisis.webm 36.99MB
  378. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/02 - Woodwinds - 03 - E-Flat Clarinet_ Interview and demonstration with Jessica Phillips Rieske.webm 36.91MB
  379. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/02 - Woodwinds - 03 - E-Flat Clarinet_ Interview and demonstration with Jessica Phillips Rieske.webm 36.91MB
  380. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/05 - Haitian Revolution - 01 - Haitian Revolution (Part 1).webm 36.85MB
  381. Arts and humanities/02 - Music - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 03 - Lesson 3_ Meters in double and triple time, upbeats.webm 36.53MB
  382. Partner content/10 - All-Star Orchestra - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 03 - Lesson 3_ Meters in double and triple time, upbeats.webm 36.53MB
  383. Partner content/19 - Big History Project - 06 - 6. Early Humans/02 - 6.1—Ways of Knowing_ Early Humans - 03 - Making Stone Tools.webm 36.51MB
  384. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/03 - Napoleon Bonaparte - 03 - Napoleon and the War of the Third Coalition.webm 36.45MB
  385. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 04 - Gerhard Richter, The Cage Paintings (1-6).webm 36.43MB
  386. Partner content/06 - California Academy of Sciences - 03 - Where is biodiversity found_/01 - Biodiversity Hotspots - 08 - Biodiversity Hotspot_ Sao Tomé.mp4 36.41MB
  387. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/06 - Late empire - 04 - Empire_ Arch of Constantine.webm 36.38MB
  388. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/03 - Brass - 04 - Bass Trombone_ Interview and demonstration with Denson Paul Pollard.webm 36.38MB
  389. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/03 - Brass - 04 - Bass Trombone_ Interview and demonstration with Denson Paul Pollard.webm 36.38MB
  390. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/03 - Napoleon Bonaparte - 05 - Napoleon's Peninsular Campaigns.webm 36.36MB
  391. Arts and humanities/03 - Art history basics - 03 - Art 1010/01 - Art 1010 - 05 - Baroque and Rococo.webm 36.18MB
  392. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 14 - Colon, rectum, and anus.webm 36.13MB
  393. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 14 - Colon, rectum, and anus.webm 36.13MB
  394. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 13 - Spider's LED eyes.webm 36.01MB
  395. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/11 - The Cold War - 04 - Cuban Missile Crisis.webm 35.93MB
  396. Science/07 - Discoveries and projects - 03 - Robots/03 - Spout Bot without Solder - 03 - Attach the LED eyes.webm 35.76MB
  397. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/08 - Siena, the Late Gothic - 05 - Ambrogio Lorenzetti, Palazzo Pubblico frescos_ Allegory and effect of good and bad government.webm 35.64MB
  398. Science/07 - Discoveries and projects - 05 - Projectile launcher/01 - Projectile launcher - 03 - Update and modify your ping pong ball launcher.webm 35.52MB
  399. Partner content/19 - Big History Project - 05 - 5. Life/03 - 5.2—How Do Earth and Life Interact_ _ - 01 - How Do Earth and Life Interact_.webm 35.42MB
  400. Math/23 - Recreational math - 01 - Doodling in Math and more/01 - Spirals, Fibonacci and being a plant - 02 - Doodling in math_ Spirals, Fibonacci, and being a plant [2 of 3].webm 35.36MB
  401. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 20 - Digital recorder_player connections.webm 35.30MB
  402. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/02 - French Revolution - 03 - French Revolution (part 3) - Reign of Terror.webm 35.19MB
  403. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 01 - Saloua Raouda Choucair_ From Beirut to Tate Modern.webm 35.09MB
  404. Partner content/02 - Tate - 03 - Global modernisms/04 - The Middle East - 01 - Saloua Raouda Choucair_ From Beirut to Tate Modern.webm 35.09MB
  405. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/12 - Renaud Laplanche - Founder of Lending Club - 01 - Finding an Idea in the Mail.webm 35.09MB
  406. Partner content/19 - Big History Project - 06 - 6. Early Humans/06 - Other Materials - 03 - Migrations and Technological Creativity.webm 35.02MB
  407. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 07 - Why is that important_ Looking at Jackson Pollock.webm 34.95MB
  408. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/13 - Jason Christiansen - President and CEO of Rigid Industries - 01 - Turning a Hobby into a Bright Business.webm 34.89MB
  409. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 12 - Motors_propulsion.webm 34.88MB
  410. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 08 - Yayoi Kusama.webm 34.88MB
  411. Partner content/02 - Tate - 03 - Global modernisms/03 - Asia - 03 - Yayoi Kusama.webm 34.88MB
  412. Math/23 - Recreational math - 01 - Doodling in Math and more/01 - Spirals, Fibonacci and being a plant - 01 - Doodling in math_ Spirals, Fibonacci, and being a plant [1 of 3].webm 34.84MB
  413. Math/24 - Math contests - 01 - AMC 10/01 - 2013 AMC 10 A - 01 - 2013 AMC 10 A #21 _ AMC 12 A #17.webm 34.83MB
  414. Partner content/08 - American Museum of Natural History - 03 - Human Evolution/02 - Human evolution_ The evidence (American Museum of Natural History) - 02 - H. neanderthalensis, H. sapiens, and the peopling of the world.webm 34.82MB
  415. Partner content/19 - Big History Project - 04 - 4. Our Solar System and Earth/02 - 4.1—What Was Young Earth Like_ - 01 - What Was The Young Earth Like_.webm 34.81MB
  416. Partner content/06 - California Academy of Sciences - 06 - How can biodiversity be protected_/02 - Biodiversity champions - 01 - Protecting biodiversity_ the power of the individual.webm 34.64MB
  417. Arts and humanities/14 - Africa, Oceania, and the indigenous Americas - 01 - Africa/05 - Sierra Leone - 01 - Sowei mask_ Spirit of Sierra Leone.webm 34.61MB
  418. Partner content/03 - The British Museum - 01 - Africa/06 - Sierra Leone - 01 - Sowei mask_ Spirit of Sierra Leone.webm 34.61MB
  419. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/01 - Strings - 04 - Cello_ Interview and demonstration with principal Jerry Grossman.webm 34.59MB
  420. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/01 - Strings - 04 - Cello_ Interview and demonstration with principal Jerry Grossman.webm 34.59MB
  421. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 04 - Last Judgment Tympanum, Cathedral of St. Lazare, Autun.webm 34.56MB
  422. Partner content/06 - California Academy of Sciences - 04 - How is biodiversity studied_/02 - Biodiversity analyses and unknowns - 01 - Studying biodiversity in the lab.webm 34.41MB
  423. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 15 - Motor controller connections.webm 34.32MB
  424. Partner content/08 - American Museum of Natural History - 02 - The Universe/03 - Galaxies - 01 - SALT—Imaging the southern sky.webm 34.29MB
  425. Partner content/19 - Big History Project - 03 - 3. Stars and Elements/01 - 3.0—How Were Stars Formed_ - 01 - How Were Stars Formed_.webm 34.24MB
  426. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/04 - Early classical - 04 - East and West Pediments, Temple of Aphaia, Aegina.webm 34.15MB
  427. Partner content/08 - American Museum of Natural History - 02 - The Universe/04 - Universe - 04 - The cosmic microwave background_ A new view from the South Pole.webm 34.10MB
  428. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 18 - Reconciling thermodynamic and state definitions of entropy.webm 34.10MB
  429. Science/03 - Chemistry - 11 - Thermodynamics/03 - Entropy - 06 - Reconciling thermodynamic and state definitions of entropy.webm 34.10MB
  430. Partner content/11 - Crash Course - 02 - Crash Course Biology and Ecology/01 - Crash Course Biology - 01 - Why Carbon is a tramp.webm 33.97MB
  431. Science/01 - Biology - 04 - Crash Course_ Biology and Ecology/01 - Crash Course_ Biology - 01 - Why Carbon is a tramp.webm 33.97MB
  432. Partner content/09 - Asian Art Museum - 10 - Islam/01 - Islam - 01 - Hajj Stories_ Introduction to the Hajj.webm 33.92MB
  433. Arts and humanities/03 - Art history basics - 03 - Art 1010/01 - Art 1010 - 06 - Nineteenth-century art.webm 33.89MB
  434. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 08 - Cancerous colon tissue.webm 33.86MB
  435. Arts and humanities/13 - South and East Asia - 04 - Korea and Japan/01 - Korean art - 03 - Reviving traditional Korean celadons.webm 33.82MB
  436. Partner content/09 - Asian Art Museum - 06 - Korea/01 - Korea - 03 - Reviving traditional Korean celadons.webm 33.82MB
  437. Partner content/06 - California Academy of Sciences - 07 - Where does biodiversity come from_/01 - The evolutionary causes of biodiversity - 01 - Biodiversity and natural selection.webm 33.76MB
  438. Science/07 - Discoveries and projects - 02 - Reverse engineering/03 - DVD player - 06 - What is inside a universal remote control_.webm 33.64MB
  439. Partner content/09 - Asian Art Museum - 03 - Southeast Asia/01 - Southeast Asia - 03 - Indonesian rod puppets (wayang golek).webm 33.30MB
  440. Partner content/08 - American Museum of Natural History - 02 - The Universe/01 - Planets - 02 - Seeing planets like never before.webm 33.23MB
  441. Partner content/06 - California Academy of Sciences - 04 - How is biodiversity studied_/01 - Biodiversity fieldwork - 01 - Biodiversity Expeditions Past and Present.webm 32.91MB
  442. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 03 - Teaching in a blended learning environment – rethinking the role of the teacher/02 - Case studies_ teaching in a blended learning environment - 03 - Case study #3_ Teaching in Lab Rotation model at Navigator Schools.webm 32.77MB
  443. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/04 - Percussion - 02 - Piano (as orchestral instrument)_ Interview and demonstration with Kimberly Russ.webm 32.71MB
  444. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/04 - Percussion - 02 - Piano (as orchestral instrument)_ Interview and demonstration with Kimberly Russ.webm 32.71MB
  445. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 08 - Spider's power switch.webm 32.69MB
  446. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/03 - Artists and film - 01 - Jim Dine's 'Poet Singing (The Flowering Sheets)_' a documentary.webm 32.59MB
  447. Science/07 - Discoveries and projects - 03 - Robots/01 - All about Spout - 02 - SPDT switch.webm 32.53MB
  448. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 05 - Making aligned hardware, software, and space decisions in a blended learning environment/02 - Blended learning software - 01 - The different types of software used in blended learning.webm 32.49MB
  449. Math/23 - Recreational math - 01 - Doodling in Math and more/01 - Spirals, Fibonacci and being a plant - 03 - Doodling in math_ Spirals, Fibonacci, and being a plant [3 of 3].webm 32.48MB
  450. Partner content/08 - American Museum of Natural History - 02 - The Universe/02 - Stars - 01 - Space weather_ Storms from the Sun.webm 32.44MB
  451. Partner content/19 - Big History Project - 05 - 5. Life/01 - 5.0—What Is Life_ - 02 - What is Life_.webm 32.33MB
  452. Arts and humanities/01 - History - 04 - Before 1300_ Ancient and Medieval history/01 - Ancient - 04 - Ara Pacis.webm 32.29MB
  453. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/04 - Early empire - 02 - Ara Pacis.webm 32.29MB
  454. Partner content/19 - Big History Project - 05 - 5. Life/06 - Other Materials - 05 - Life in Italian Limestone.webm 32.27MB
  455. Partner content/14 - MIT_K12 - 01 - Physics/01 - Physics - 07 - The Invention of the Battery.webm 32.25MB
  456. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/07 - Hellenistic - 04 - Great Altar of Zeus and Athena at Pergamon.webm 32.11MB
  457. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 15 - Great Altar of Zeus and Athena at Pergamon.webm 32.11MB
  458. Partner content/19 - Big History Project - 05 - 5. Life/06 - Other Materials - 03 - Life's Evolutionary Story.webm 32.09MB
  459. Math/23 - Recreational math - 01 - Doodling in Math and more/04 - About pi and tau - 03 - Rhapsody on the proof of pi _ 4.webm 32.06MB
  460. Science/01 - Biology - 01 - Cellular and molecular biology/02 - Cell division - 04 - Phases of meiosis.webm 31.91MB
  461. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/03 - Flanders - 01 - Peter Paul Rubens, Elevation of the Cross.webm 31.81MB
  462. Math/24 - Math contests - 01 - AMC 10/01 - 2013 AMC 10 A - 05 - 2013 AMC 10 A #25.webm 31.80MB
  463. Partner content/18 - NASA - 02 - Measuring the Universe/04 - Spectroscopy - 04 - Spectroscopy.webm 31.56MB
  464. Science/03 - Chemistry - 01 - Atoms, molecules, and ions/01 - Introduction to the atom - 02 - Introduction to the atom.webm 31.54MB
  465. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/09 - Pisa and Rome, the Late Gothic - 01 - Nicola, Pulpit, Pisa Baptistery; and Giovanni Pisano, Slaughter of the Innocents, Pulpit, Sant'Andrea church, Pistoia.webm 31.50MB
  466. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 03 - Teaching in a blended learning environment – rethinking the role of the teacher/03 - The moves of a blended learning teacher - 02 - Part 2_ Tips from blended-learning teachers about the structures and systems that make blended work.webm 31.46MB
  467. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 14 - Proton NMR practice 2.webm 31.41MB
  468. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 14 - Proton NMR practice 2.webm 31.41MB
  469. Arts and humanities/06 - Medieval Europe - 03 - Early Christian/01 - Early Christian - 06 - The Mausoleum of Galla Placidia, Ravenna.webm 31.40MB
  470. Math/16 - Probability and statistics - 07 - Inferential statistics/01 - Normal distribution - 01 - Introduction to the normal distribution.webm 31.40MB
  471. Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 09 - The search for extraterrestrial intelligence.webm 31.36MB
  472. Arts and humanities/01 - History - 04 - Before 1300_ Ancient and Medieval history/01 - Ancient - 01 - Standard of Ur from the Royal Tombs at Ur.webm 31.12MB
  473. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/02 - Sumerian - 03 - Standard of Ur from the Royal Tombs at Ur.webm 31.12MB
  474. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./01 - Ancient Near East - 02 - Standard of Ur from the Royal Tombs at Ur.webm 31.12MB
  475. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 07 - Fra Angelico, The Annunciation.webm 31.12MB
  476. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 19 - Il Gesù, including Triumph of the Name of Jesus ceiling fresco.webm 31.04MB
  477. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./04 - Protestant Reformation and Catholic Counter-Reformation - 01 - Il Gesù, including Triumph of the Name of Jesus ceiling fresco.webm 31.04MB
  478. Arts and humanities/02 - Music - 03 - Instruments of the orchestra/01 - Strings - 02 - Violin_ Interview and demonstration with concertmaster David Kim.webm 30.98MB
  479. Partner content/10 - All-Star Orchestra - 03 - Instruments of the orchestra/01 - Strings - 02 - Violin_ Interview and demonstration with concertmaster David Kim.webm 30.98MB
  480. Arts and humanities/03 - Art history basics - 03 - Art 1010/01 - Art 1010 - 07 - Introduction to Twentieth-Century Art.webm 30.97MB
  481. Partner content/06 - California Academy of Sciences - 06 - How can biodiversity be protected_/01 - Harnessing science and education for biodiversity conservation - 02 - Conservation and the race to save biodiversity.webm 30.93MB
  482. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 02 - Ghiberti, 'Gates of Paradise,' east doors of the Florence Baptistery.webm 30.91MB
  483. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/05 - Middle empire - 02 - Hadrian's Villa, Tivoli_ A virtual tour.webm 30.86MB
  484. Arts and humanities/10 - Age of global conflict - 08 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 05 - Maya Lin, Vietnam Veterans Memorial.webm 30.85MB
  485. Test prep/07 - AP* Art History - 12 - Global contemporary_ 1980-present/01 - Global contemporary_ 1980-present - 01 - Maya Lin, Vietnam Veterans Memorial.webm 30.85MB
  486. Arts and humanities/08 - Monarchy and enlightenment - 05 - Latin America_New Spain/01 - Latin America_New Spain - 01 - Screen with the Siege of Belgrade and Hunting Scene (Brooklyn Biombo).webm 30.77MB
  487. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./05 - Colonial Americas - 01 - Screen with the Siege of Belgrade and Hunting Scene (Brooklyn Biombo).webm 30.77MB
  488. Partner content/19 - Big History Project - 03 - 3. Stars and Elements/02 - 3.1—Creation of Complex Elements - 02 - What Did Stars Give Us_.webm 30.67MB
  489. Partner content/03 - The British Museum - 01 - Africa/02 - Ancient Egypt - 07 - Gebelein Man_ virtual autopsy, exploring a natural mummy from early Egypt.webm 30.58MB
  490. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/03 - Change of basis - 07 - Changing coordinate systems to help find a transformation matrix.webm 30.52MB
  491. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 19 - 5 volt power distribution board.webm 30.52MB
  492. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 02 - Leonardo_ Anatomist - by Nature Video.webm 30.45MB
  493. Partner content/08 - American Museum of Natural History - 03 - Human Evolution/02 - Human evolution_ The evidence (American Museum of Natural History) - 01 - Human evolution.webm 30.42MB
  494. Math/16 - Probability and statistics - 07 - Inferential statistics/01 - Normal distribution - 02 - Normal distribution excel exercise.webm 30.42MB
  495. Partner content/18 - NASA - 03 - Exploring the Universe/02 - Mars_ Modern exploration - 08 - Spirit and opportunity.webm 30.32MB
  496. Partner content/14 - MIT_K12 - 01 - Physics/01 - Physics - 09 - Bouncing Droplets_ Superhydrophobic and Superhydrophilic Surfaces.webm 30.17MB
  497. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 09 - Bernini, Sant'Andrea al Quirinale.webm 30.07MB
  498. Arts and humanities/14 - Africa, Oceania, and the indigenous Americas - 02 - Oceania/01 - Polynesia - 01 - A welcome to a Maori meeting house.webm 30.03MB
  499. Partner content/03 - The British Museum - 06 - Oceania/01 - Polynesia - 01 - A welcome to a Maori meeting house.webm 30.03MB
  500. Partner content/02 - Tate - 04 - Performance and participation/02 - Collaboration - 04 - Michelangelo Pistoletto.webm 29.87MB
  501. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 10 - The Erechtheion.webm 29.86MB
  502. Partner content/09 - Asian Art Museum - 07 - Japan/01 - Japan - 06 - Tale of the Heike.webm 29.76MB
  503. Arts and humanities/05 - Ancient art and civilizations - 02 - Egyptian art and culture/03 - New Kingdom - 05 - Last Judgement of Hunefer, from his tomb.webm 29.76MB
  504. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./02 - Ancient Egypt - 04 - Last Judgement of Hunefer, from his tomb.webm 29.76MB
  505. Arts and humanities/06 - Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 04 - Hagia Sophia as a mosque.webm 29.74MB
  506. Arts and humanities/12 - Arts of the Islamic world - 04 - Late period/01 - Late period - 01 - Hagia Sophia as a mosque.webm 29.74MB
  507. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 08 - Hagia Sophia as a mosque.webm 29.74MB
  508. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/04 - Printmaking - 03 - Relief process.webm 29.74MB
  509. Partner content/04 - The Museum of Modern Art - 01 - Printmaking/01 - Printmaking - 03 - Relief process.webm 29.74MB
  510. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 14 - Michelangelo, Last Judgment (altar wall, Sistine Chapel).webm 29.49MB
  511. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 10 - Michelangelo, Last Judgment (altar wall, Sistine Chapel).webm 29.49MB
  512. Partner content/06 - California Academy of Sciences - 02 - Why is biodiversity important_/01 - Biodiversity and ecosystem function - 01 - Ecosystems and ecological networks.webm 29.41MB
  513. Partner content/06 - California Academy of Sciences - 05 - Why is biodiversity threatened_/02 - Global threats to biodiversity - 01 - How does climate change affect biodiversity_.webm 29.37MB
  514. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/11 - The Cold War - 05 - Vietnam War.webm 29.34MB
  515. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/02 - Books, music, and literature - 02 - 'Gratitude' with J. Kenneth Moore.webm 29.33MB
  516. Partner content/01 - The Metropolitan Museum of Art - 03 - Making, finding, and conserving/01 - Making, finding, and conserving - 08 - Craftsman Allan Breed Carves a Bow Knot and Thunderbolt Crest.webm 29.32MB
  517. Partner content/06 - California Academy of Sciences - 06 - How can biodiversity be protected_/02 - Biodiversity champions - 02 - Protecting biodiversity_ local and global policies.webm 29.28MB
  518. Arts and humanities/11 - Toward a global culture - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 08 - Wolfgang Laib, 'Pollen from Hazelnut'.webm 29.27MB
  519. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 10 - Wolfgang Laib, 'Pollen from Hazelnut'.webm 29.27MB
  520. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 07 - Colon dysplasia.webm 29.20MB
  521. Partner content/06 - California Academy of Sciences - 02 - Why is biodiversity important_/02 - Biodiversity and ecosystem services - 01 - Ecosystem services.webm 29.19MB
  522. Partner content/06 - California Academy of Sciences - 05 - Why is biodiversity threatened_/01 - Local threats to biodiversity - 02 - Introduced species and biodiversity.webm 29.16MB
  523. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 03 - Teaching in a blended learning environment – rethinking the role of the teacher/02 - Case studies_ teaching in a blended learning environment - 01 - Case study #1_ Teaching in a Flex model at Summit Public Schools.webm 29.15MB
  524. Arts and humanities/01 - History - 05 - Surveys of history/01 - United States history overview - 01 - US History Overview 1_ Jamestown to the Civil War.webm 29.12MB
  525. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/04 - Orthonormal bases and the Gram-Schmidt process - 05 - Example using orthogonal change-of-basis matrix to find transformation matrix.webm 28.94MB
  526. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/05 - Middle empire - 01 - The Pantheon.webm 28.93MB
  527. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./05 - Ancient Rome - 09 - The Pantheon.webm 28.93MB
  528. Science/07 - Discoveries and projects - 03 - Robots/03 - Spout Bot without Solder - 05 - Create the motor mounts.webm 28.89MB
  529. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 07 - Language_ Gricean Pragmatics.webm 28.82MB
  530. Partner content/01 - The Metropolitan Museum of Art - 03 - Making, finding, and conserving/01 - Making, finding, and conserving - 01 - After the Fall_ The Conservation of Tullio Lombardo's 'Adam'.webm 28.75MB
  531. Math/23 - Recreational math - 01 - Doodling in Math and more/03 - Hexaflexagons - 02 - Hexaflexagons 2.webm 28.73MB
  532. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 16 - William Butterfield, All Saints, Margaret Street.webm 28.63MB
  533. Science/07 - Discoveries and projects - 03 - Robots/03 - Spout Bot without Solder - 04 - Wire the SPDT switches.webm 28.61MB
  534. Math/23 - Recreational math - 01 - Doodling in Math and more/02 - Doodling in math - 05 - Doodling in math_ Squiggle inception.webm 28.59MB
  535. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 03 - Teaching in a blended learning environment – rethinking the role of the teacher/02 - Case studies_ teaching in a blended learning environment - 02 - Case study #2_ Teaching in a Station Rotation model at KIPP LA.webm 28.59MB
  536. Arts and humanities/06 - Medieval Europe - 01 - A beginner's guide to medieval Europe/01 - A beginner's guide to medieval Europe - 04 - Medieval goldsmiths - Treasures of Heaven at the British Museum.webm 28.53MB
  537. Partner content/03 - The British Museum - 04 - Europe/03 - Medieval era - 02 - Medieval goldsmiths - Treasures of Heaven at the British Museum.webm 28.53MB
  538. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/02 - Wall painting - 02 - Dionysiac frieze, Villa of Mysteries, Pompeii.webm 28.51MB
  539. Partner content/19 - Big History Project - 01 - 1. What Is Big History_/04 - 1.3—What Are Disciplines_ - 01 - Ways of Knowing – Introduction to Cosmology.webm 28.51MB
  540. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/07 - Florence, the Late Gothic - 06 - Giotto, Arena (Scrovegni) Chapel (part 2).webm 28.36MB
  541. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 14 - Giotto, Arena (Scrovegni) Chapel (part 2).webm 28.36MB
  542. Partner content/08 - American Museum of Natural History - 03 - Human Evolution/03 - Evolution and human health (American Museum of Natural History) - 01 - Genes and health—moving beyond race.webm 28.24MB
  543. Partner content/08 - American Museum of Natural History - 02 - The Universe/01 - Planets - 01 - Curiosity_ Searching for carbon.webm 28.17MB
  544. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 06 - 'Statue of an Emperor_' A conservation partnership.webm 28.13MB
  545. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 05 - Battery and motor mounts for Spider.webm 28.09MB
  546. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/10 - Puzzles and surprises - 05 - 'Below the Surface' with Ian Alteveer.webm 28.09MB
  547. Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 01 - Introduction to mortgage loans.webm 28.08MB
  548. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 03 - Teaching in a blended learning environment – rethinking the role of the teacher/03 - The moves of a blended learning teacher - 01 - Part 1_ Tips from blended-learning teachers about the structures and systems that make blended work.webm 28.04MB
  549. Partner content/07 - Exploratorium - 03 - Electromagnetism/02 - Turning Light into Sound - 04 - Construct the parallel circuit, put it all together.webm 27.98MB
  550. Arts and humanities/02 - Music - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 05 - Lesson 5_ Review of time signatures – Simple, compound, and complex.webm 27.96MB
  551. Partner content/10 - All-Star Orchestra - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 05 - Lesson 5_ Review of time signatures – Simple, compound, and complex.webm 27.96MB
  552. Math/22 - Linear algebra - 01 - Vectors and spaces/01 - Vectors - 07 - Parametric representations of lines.webm 27.88MB
  553. Arts and humanities/03 - Art history basics - 03 - Art 1010/01 - Art 1010 - 02 - Ancient Greek and Roman art.webm 27.81MB
  554. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/04 - Early empire - 04 - Colosseum (Flavian Amphitheater).webm 27.78MB
  555. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./05 - Ancient Rome - 05 - Colosseum (Flavian Amphitheater).webm 27.78MB
  556. Partner content/19 - Big History Project - 02 - 2. The Big Bang/03 - 2.2—Claim Testing - 01 - How Do We Decide What to Believe_.webm 27.74MB
  557. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/03 - Pacher and Grünewald - 01 - Pacher, St. Wolfgang Altarpiece.webm 27.74MB
  558. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 17 - Digital camera connections.webm 27.65MB
  559. Partner content/19 - Big History Project - 06 - 6. Early Humans/02 - 6.1—Ways of Knowing_ Early Humans - 01 - Intro to Anthropology.webm 27.62MB
  560. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 06 - Null space and column space basis.webm 27.58MB
  561. Arts and humanities/01 - History - 04 - Before 1300_ Ancient and Medieval history/02 - Medieval - 03 - Charlemagne and the Carolingian revival (2 of 2).webm 27.57MB
  562. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/02 - Carolingian - 02 - Charlemagne and the Carolingian revival (2 of 2).webm 27.57MB
  563. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/01 - Fauvism and Matisse - 05 - Conserving Henri Matisse's 'The Swimming Pool'.webm 27.55MB
  564. Partner content/04 - The Museum of Modern Art - 03 - Behind the scenes at MoMA/01 - Behind the scenes at MoMA - 01 - Conserving Henri Matisse's 'The Swimming Pool'.webm 27.55MB
  565. Science/01 - Biology - 03 - Heredity and evolution/03 - Tree of life - 04 - Viruses.webm 27.52MB
  566. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/05 - Assyrian - 02 - Ashurbanipal hunting lions.webm 27.49MB
  567. Arts and humanities/01 - History - 03 - 1500-1600_ Renaissance and Reformation/01 - The Protestant Reformation - 02 - Introduction to the Protestant Reformation_ Martin Luther (part 2).webm 27.48MB
  568. Arts and humanities/07 - Renaissance and Reformation - 06 - Reformation and the Counter-Reformation/01 - Reformation and the Counter-Reformation - 02 - Introduction to the Protestant Reformation_ Martin Luther (part 2).webm 27.48MB
  569. Arts and humanities/10 - Age of global conflict - 03 - World War I, Futurism and Dada/02 - Dada - 05 - Höch, Cut with the Kitchen Knife Dada Through the Last Weimar Beer-Belly Cultural Epoch of Germany.webm 27.36MB
  570. Partner content/08 - American Museum of Natural History - 02 - The Universe/02 - Stars - 02 - Interferometry_ Sizing up the Stars.webm 27.35MB
  571. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/11 - The Cold War - 02 - Korean War overview.webm 27.34MB
  572. Science/01 - Biology - 03 - Heredity and evolution/02 - Heredity and genetics - 02 - Punnett square fun.webm 27.25MB
  573. Test prep/02 - MCAT - 01 - Biomolecules/07 - Mendelian genetics - 03 - Punnett square fun.webm 27.25MB
  574. Test prep/02 - MCAT - 01 - Biomolecules/08 - Chromosomal inheritance - 04 - Punnett square fun.webm 27.25MB
  575. Math/22 - Linear algebra - 01 - Vectors and spaces/01 - Vectors - 05 - Vector examples.webm 27.25MB
  576. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/01 - Orthogonal complements - 03 - Representing vectors in rn using subspace members.webm 27.20MB
  577. Partner content/19 - Big History Project - 07 - 7. Agriculture and Civilization/03 - 7.2—Ways of Knowing_ Agriculture and Civilization - 01 - Intro to History.webm 27.19MB
  578. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 04 - Planning and propulsion.webm 27.02MB
  579. Partner content/19 - Big History Project - 01 - 1. What Is Big History_/04 - 1.3—What Are Disciplines_ - 02 - Ways of Knowing – Introduction to Astrophysics.webm 26.96MB
  580. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/07 - Hellenistic - 06 - Alexander Mosaic from the House of the Faun, Pompeii.webm 26.94MB
  581. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 16 - Alexander Mosaic from the House of the Faun, Pompeii.webm 26.94MB
  582. Partner content/18 - NASA - 03 - Exploring the Universe/03 - Curiosity rover_ mission briefing - 08 - Entry, descent and landing.webm 26.93MB
  583. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 05 - Defining the angle between vectors.webm 26.91MB
  584. Math/18 - Differential calculus - 02 - Taking derivatives/07 - Chain rule - 10 - Extreme derivative word problem (advanced).webm 26.85MB
  585. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 05 - Fractal fractions.webm 26.76MB
  586. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/01 - Early Renaissance in Venice - 02 - Bellini, St. Francis.webm 26.73MB
  587. Science/07 - Discoveries and projects - 01 - Discoveries/07 - Electric motor - 02 - Build your own motor.webm 26.64MB
  588. Test prep/02 - MCAT - 04 - Physical processes/15 - Capacitors - 05 - Capacitors in parallel.webm 26.63MB
  589. Arts and humanities/05 - Ancient art and civilizations - 09 - Asia/02 - A beginner's guide to Buddhist art and culture - 04 - Four Buddhas at the American Museum of Natural History.webm 26.60MB
  590. Arts and humanities/12 - Arts of the Islamic world - 04 - Late period/01 - Late period - 02 - Sinan, Süleymaniye Mosque.webm 26.59MB
  591. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 13 - Michelangelo, Ceiling of the Sistine Chapel.webm 26.55MB
  592. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 09 - Michelangelo, Ceiling of the Sistine Chapel.webm 26.55MB
  593. Partner content/01 - The Metropolitan Museum of Art - 03 - Making, finding, and conserving/01 - Making, finding, and conserving - 09 - Jan Gossart - Conservation Discoveries.webm 26.50MB
  594. Math/24 - Math contests - 01 - AMC 10/01 - 2013 AMC 10 A - 04 - 2013 AMC 10 A #24.webm 26.48MB
  595. Math/23 - Recreational math - 01 - Doodling in Math and more/06 - Mobius strips - 01 - Math improv_ Fruit by the foot.webm 26.45MB
  596. Partner content/09 - Asian Art Museum - 05 - China/01 - China - 09 - Classical gardens of Suzhou.webm 26.44MB
  597. Partner content/06 - California Academy of Sciences - 07 - Where does biodiversity come from_/01 - The evolutionary causes of biodiversity - 02 - Genetic variation, gene flow, and new species.webm 26.39MB
  598. Test prep/02 - MCAT - 04 - Physical processes/15 - Capacitors - 04 - Capacitors in series.webm 26.36MB
  599. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/06 - Aftermath of World War I - 02 - Woodrow Wilson's Fourteen Points.webm 26.31MB
  600. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/01 - Scale of the small and large - 02 - Scale of the small.webm 26.21MB
  601. Math/22 - Linear algebra - 01 - Vectors and spaces/04 - Subspaces and the basis for a subspace - 01 - Linear subspaces.webm 26.16MB
  602. Partner content/19 - Big History Project - 03 - 3. Stars and Elements/02 - 3.1—Creation of Complex Elements - 03 - Navigating the Periodic Table.webm 26.08MB
  603. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 11 - Spider's Arduino Nano.webm 26.08MB
  604. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/11 - The Cold War - 06 - Allende and Pinochet in Chile.webm 26.06MB
  605. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 14 - The Painting Techniques of Franz Kline.webm 25.99MB
  606. Partner content/04 - The Museum of Modern Art - 04 - Abstract Expressionism/01 - Abstract Expressionism - 07 - The Painting Techniques of Franz Kline.webm 25.99MB
  607. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 01 - Gentile da Fabriano, Adoration of the Magi.webm 25.97MB
  608. Math/23 - Recreational math - 01 - Doodling in Math and more/03 - Hexaflexagons - 03 - Hexaflexagon safety guide.webm 25.96MB
  609. Arts and humanities/06 - Medieval Europe - 01 - A beginner's guide to medieval Europe/01 - A beginner's guide to medieval Europe - 01 - Making manuscripts.webm 25.90MB
  610. Arts and humanities/06 - Medieval Europe - 02 - Books and the dissemination of knowledge in medieval Europe/01 - Making the medieval book - 04 - Making manuscripts.webm 25.90MB
  611. Partner content/05 - The J. Paul Getty Museum - 03 - Manuscripts/01 - Manuscripts - 02 - Making manuscripts.webm 25.90MB
  612. Partner content/08 - American Museum of Natural History - 02 - The Universe/02 - Stars - 03 - Neil deGrasse Tyson on Finding Krypton.webm 25.89MB
  613. Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 02 - Prehistory_ Proto-writing.webm 25.86MB
  614. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 08 - Cildo Meireles.webm 25.84MB
  615. Partner content/02 - Tate - 03 - Global modernisms/02 - Latin America - 01 - Cildo Meireles.webm 25.84MB
  616. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 16 - Arduino connections.webm 25.78MB
  617. Arts and humanities/12 - Arts of the Islamic world - 04 - Late period/01 - Late period - 04 - Qa'a_ The Damascus room.webm 25.74MB
  618. Arts and humanities/08 - Monarchy and enlightenment - 04 - Britain and America in the Age of Revolution/01 - Britain in the age of revolution - 01 - William Hogarth, Marriage A-la-Mode (including Tête à Tête).webm 25.73MB
  619. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./04 - Protestant Reformation and Catholic Counter-Reformation - 10 - William Hogarth, Marriage A-la-Mode (including Tête à Tête).webm 25.73MB
  620. Arts and humanities/06 - Medieval Europe - 02 - Books and the dissemination of knowledge in medieval Europe/01 - Making the medieval book - 03 - A Medieval textbook.webm 25.63MB
  621. Partner content/19 - Big History Project - 05 - 5. Life/03 - 5.2—How Do Earth and Life Interact_ _ - 02 - How We Proved An Asteroid Wiped Out The Dinosaurs.webm 25.61MB
  622. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 16 - Van der Weyden, The Last Judgment Polyptych.webm 25.61MB
  623. Math/18 - Differential calculus - 03 - Derivative applications/05 - Concavity and inflection points - 05 - Another example graphing with derivatives.webm 25.58MB
  624. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/03 - Napoleon Bonaparte - 07 - Napoleon forced to abdicate.webm 25.54MB
  625. Math/23 - Recreational math - 01 - Doodling in Math and more/02 - Doodling in math - 07 - Doodling in math_ Triangle party.webm 25.49MB
  626. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 16 - Tintoretto, the Miracle of the Slave.webm 25.46MB
  627. Math/15 - Trigonometry - 03 - Graphs of trig functions/03 - Long live tau - 02 - Pi is (still) wrong..webm 25.42MB
  628. Math/23 - Recreational math - 01 - Doodling in Math and more/04 - About pi and tau - 02 - Pi is (still) wrong..webm 25.42MB
  629. Partner content/06 - California Academy of Sciences - 07 - Where does biodiversity come from_/02 - Biodiversity patterns of speciation and extinction - 01 - New localities lead to new biodiversity.webm 25.27MB
  630. Math/22 - Linear algebra - 02 - Matrix transformations/04 - Inverse functions and transformations - 05 - Determining whether a transformation is onto.webm 25.26MB
  631. Partner content/08 - American Museum of Natural History - 02 - The Universe/04 - Universe - 01 - The known Universe.webm 25.10MB
  632. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 10 - The Painting Techniques of Jackson Pollock.webm 25.10MB
  633. Partner content/04 - The Museum of Modern Art - 04 - Abstract Expressionism/01 - Abstract Expressionism - 03 - The Painting Techniques of Jackson Pollock.webm 25.10MB
  634. Arts and humanities/01 - History - 05 - Surveys of history/01 - United States history overview - 03 - US History overview 3_ WWII to Vietnam.webm 25.09MB
  635. Arts and humanities/13 - South and East Asia - 01 - Imperial China/04 - Song dynasty (960-1279) - 01 - An installation by Xu Bing at the British Museum.webm 25.08MB
  636. Partner content/03 - The British Museum - 03 - Asia/01 - China - 02 - An installation by Xu Bing at the British Museum.webm 25.08MB
  637. Partner content/19 - Big History Project - 07 - 7. Agriculture and Civilization/05 - Other Materials - 01 - Transition to Agriculture.webm 25.04MB
  638. Science/01 - Biology - 02 - Human biology/03 - The kidney and nephron - 01 - The kidney and nephron.webm 25.04MB
  639. Science/06 - Health and medicine - 02 - Human anatomy and physiology/04 - Urinary system introduction - 07 - The kidney and nephron.webm 25.04MB
  640. Test prep/02 - MCAT - 03 - Organ systems/12 - Renal system - 07 - The kidney and nephron.webm 25.04MB
  641. Test prep/03 - NCLEX-RN - 10 - Renal system/01 - Introduction to the renal system - 07 - The kidney and nephron.webm 25.04MB
  642. Math/16 - Probability and statistics - 07 - Inferential statistics/03 - Confidence intervals - 02 - Confidence interval example.webm 25.03MB
  643. Arts and humanities/09 - Becoming modern - 03 - Early photography/01 - Early photography - 01 - Early photography_ making daguerreotypes.webm 25.03MB
  644. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/01 - Photography before 1970 - 02 - Early photography_ making daguerreotypes.webm 25.03MB
  645. Partner content/03 - The British Museum - 03 - Asia/01 - China - 01 - Contemporary Chinese Seals by Li Lanqing.webm 25.00MB
  646. Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 03 - Ancient history_ The alphabet.webm 24.97MB
  647. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 07 - Visualizing a column space as a plane in R3.webm 24.94MB
  648. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 05 - Pentecost and Mission to the Apostles Tympanum, Vézelay.webm 24.94MB
  649. Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 06 - The Enigma encryption machine.webm 24.93MB
  650. Arts and humanities/02 - Music - 02 - Masterpieces old and new/02 - Antonín Dvořák_ Symphony No. 9 'From the New World' - 03 - Antonín Dvořák_ Symphony No. 9 'From the New World,' analysis by Gerard Schwarz (part 3).webm 24.90MB
  651. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/02 - Antonín Dvořák_ Symphony No. 9 'From the New World' - 03 - Antonín Dvořák_ Symphony No. 9 'From the New World,' analysis by Gerard Schwarz (part 3).webm 24.90MB
  652. Partner content/06 - California Academy of Sciences - 03 - Where is biodiversity found_/02 - Biodiversity distribution patterns - 02 - Why biodiversity is distributed unevenly.webm 24.86MB
  653. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 09 - Snowflakes, starflakes, and swirlflakes.webm 24.81MB
  654. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 07 - Jan van Eyck, The Ghent Altarpiece (2 of 2).webm 24.78MB
  655. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/02 - Carolingian - 04 - Lindau Gospels cover.webm 24.73MB
  656. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 11 - Power wires and on_off switch.webm 24.63MB
  657. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 08 - Component mounting holes.webm 24.62MB
  658. Arts and humanities/03 - Art history basics - 03 - Art 1010/01 - Art 1010 - 08 - Introduction to Contemporary Art.webm 24.61MB
  659. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 06 - Hector Guimard, Cité entrance, Paris Métropolitain.webm 24.58MB
  660. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 06 - Normal colon tissue.webm 24.51MB
  661. Science/01 - Biology - 01 - Cellular and molecular biology/02 - Cell division - 05 - Embryonic stem cells.webm 24.44MB
  662. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 02 - Cathedral of Notre Dame de Chartres (part 1).webm 24.40MB
  663. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 10 - Cathedral of Notre Dame de Chartres (part 1).webm 24.40MB
  664. Arts and humanities/06 - Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 03 - Deësis mosaic, Hagia Sophia, Istanbul.webm 24.39MB
  665. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 07 - Deësis mosaic, Hagia Sophia, Istanbul.webm 24.39MB
  666. Math/23 - Recreational math - 01 - Doodling in Math and more/04 - About pi and tau - 05 - Anti-Pi Rant, 3_14_14.webm 24.33MB
  667. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/11 - The Cold War - 03 - Bay of Pigs Invasion.webm 24.31MB
  668. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/04 - Hieronymus Bosch - 01 - Bosch, the Last Judgment.webm 24.30MB
  669. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 03 - Masaccio, Holy Trinity.webm 24.29MB
  670. Partner content/19 - Big History Project - 06 - 6. Early Humans/06 - Other Materials - 02 - What Makes Humans Different_.webm 24.26MB
  671. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/04 - Dinosaur fossils - 08 - Barnum Brown_ The man who discovered Tyrannosaurus rex.webm 24.25MB
  672. Math/22 - Linear algebra - 02 - Matrix transformations/07 - Transpose of a matrix - 06 - Rowspace and left nullspace.webm 24.18MB
  673. Test prep/02 - MCAT - 02 - Cells/04 - Cell theory - 01 - History and development of cell theory.webm 24.16MB
  674. Arts and humanities/05 - Ancient art and civilizations - 03 - Aegean art/02 - Mycenaean - 03 - Lion Gate, Mycenae, c. 1300-1250 B.C.E..webm 24.16MB
  675. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 14 - Carnot cycle and Carnot engine.webm 24.15MB
  676. Science/03 - Chemistry - 11 - Thermodynamics/03 - Entropy - 02 - Carnot cycle and Carnot engine.webm 24.15MB
  677. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 02 - Introduction to the surface integral.webm 24.13MB
  678. Partner content/02 - Tate - 04 - Performance and participation/03 - Participation - 02 - Thomas Hirschhorn_ Flamme Éternelle.webm 24.11MB
  679. Science/07 - Discoveries and projects - 09 - Discovery Lab 2012/01 - Discovery Lab 2012 - 01 - Khan Academy's Discovery Lab - Summer 2012.webm 24.11MB
  680. Arts and humanities/10 - Age of global conflict - 09 - Architecture/01 - Architecture - 03 - Mies van der Rohe, Seagram Building.webm 24.10MB
  681. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./02 - Modernism - 07 - Mies van der Rohe, Seagram Building.webm 24.10MB
  682. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/07 - Florence, the Late Gothic - 01 - Cimabue, Santa Trinita Madonna.webm 24.09MB
  683. Partner content/19 - Big History Project - 01 - 1. What Is Big History_/01 - 1.0—Welcome to Big History - 03 - What Is Big History_.webm 24.08MB
  684. Math/22 - Linear algebra - 02 - Matrix transformations/04 - Inverse functions and transformations - 02 - Proof_ Invertibility implies a unique solution to f(x)_y.webm 24.06MB
  685. Partner content/14 - MIT_K12 - 01 - Physics/01 - Physics - 10 - A Crash Course on Indoor Flying Robots.webm 24.04MB
  686. Math/22 - Linear algebra - 01 - Vectors and spaces/02 - Linear combinations and spans - 01 - Linear combinations and span.webm 24.03MB
  687. Arts and humanities/01 - History - 05 - Surveys of history/01 - United States history overview - 02 - US History overview 2_ Reconstruction to the Great Depression.webm 23.99MB
  688. Partner content/09 - Asian Art Museum - 07 - Japan/01 - Japan - 01 - Shinto.webm 23.99MB
  689. Partner content/06 - California Academy of Sciences - 07 - Where does biodiversity come from_/02 - Biodiversity patterns of speciation and extinction - 02 - Biodiversity and extinction, then and now.webm 23.98MB
  690. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/08 - Observations - 02 - 'Altered States' with Nadine Orenstein.webm 23.97MB
  691. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/03 - Napoleon Bonaparte - 06 - French invasion of Russia.webm 23.93MB
  692. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 06 - Bernini, Ecstasy of Saint Teresa.webm 23.92MB
  693. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./04 - Protestant Reformation and Catholic Counter-Reformation - 06 - Bernini, Ecstasy of Saint Teresa.webm 23.92MB
  694. Partner content/14 - MIT_K12 - 02 - Natural Science/01 - Natural Science - 04 - Glaciers with chocolate.webm 23.86MB
  695. Partner content/14 - MIT_K12 - 01 - Physics/01 - Physics - 08 - The Forces on an Airplane.webm 23.85MB
  696. Partner content/19 - Big History Project - 05 - 5. Life/02 - 5.1—How Did Life Begin and Change_ - 01 - How Did Life Begin and Change_.webm 23.82MB
  697. Science/07 - Discoveries and projects - 02 - Reverse engineering/02 - Hair dryer - 01 - What is inside a hair dryer_ (1 of 2).webm 23.79MB
  698. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 04 - Masaccio, The Tribute Money in the Brancacci Chapel.webm 23.74MB
  699. Arts and humanities/03 - Art history basics - 03 - Art 1010/01 - Art 1010 - 01 - Ancient Near Eastern and ancient Egyptian art.webm 23.72MB
  700. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 04 - Dialogue for 2.webm 23.71MB
  701. Partner content/06 - California Academy of Sciences - 04 - How is biodiversity studied_/02 - Biodiversity analyses and unknowns - 02 - How much biodiversity do we really know_.webm 23.70MB
  702. Math/23 - Recreational math - 01 - Doodling in Math and more/05 - Singing (and noises) - 01 - Doodle music.webm 23.70MB
  703. Arts and humanities/01 - History - 03 - 1500-1600_ Renaissance and Reformation/01 - The Protestant Reformation - 03 - Introduction to the Protestant Reformation_ Varieties of Protestantism (part 3).webm 23.69MB
  704. Arts and humanities/07 - Renaissance and Reformation - 06 - Reformation and the Counter-Reformation/01 - Reformation and the Counter-Reformation - 03 - Introduction to the Protestant Reformation_ Varieties of Protestantism (part 3).webm 23.69MB
  705. Arts and humanities/11 - Toward a global culture - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 09 - Meschac Gaba.webm 23.65MB
  706. Partner content/02 - Tate - 03 - Global modernisms/01 - Africa - 02 - Meschac Gaba.webm 23.65MB
  707. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 01 - Tempera paint.webm 23.64MB
  708. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/04 - Early empire - 06 - The Forum of Trajan.webm 23.64MB
  709. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./05 - Ancient Rome - 06 - The Forum of Trajan.webm 23.64MB
  710. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/04 - Life in the universe - 01 - Detectable civilizations in our galaxy 1.webm 23.54MB
  711. Math/21 - Differential equations - 03 - Laplace transform/02 - Properties of the Laplace transform - 06 - Laplace transform of the unit step function.webm 23.52MB
  712. Math/23 - Recreational math - 01 - Doodling in Math and more/03 - Hexaflexagons - 01 - Hexaflexagons.webm 23.51MB
  713. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/03 - Napoleon Bonaparte - 04 - Napoleon and the War of the Fourth Coalition.webm 23.48MB
  714. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 07 - Gustav Klimt, Beethoven Frieze.webm 23.47MB
  715. Science/01 - Biology - 03 - Heredity and evolution/01 - Evolution and natural selection - 06 - Variation in a species.webm 23.47MB
  716. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 05 - Early Modern_ Locke on Personal Identity Part 2.webm 23.45MB
  717. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 09 - Conservation of sculpture and decorative arts.webm 23.37MB
  718. Arts and humanities/13 - South and East Asia - 03 - Southeast Asia/01 - Southeast Asia - 01 - Angkor temple mountains.webm 23.36MB
  719. Partner content/09 - Asian Art Museum - 03 - Southeast Asia/01 - Southeast Asia - 01 - Angkor temple mountains.webm 23.36MB
  720. Test prep/07 - AP* Art History - 10 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E./01 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E. - 06 - Angkor temple mountains.webm 23.36MB
  721. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/03 - Fetal circulation - 09 - Baby circulation right after birth.webm 23.34MB
  722. Science/01 - Biology - 01 - Cellular and molecular biology/02 - Cell division - 03 - Phases of mitosis.webm 23.31MB
  723. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 18 - The Unicorn in Captivity.webm 23.30MB
  724. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 01 - Human evolution overview.webm 23.29MB
  725. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 04 - Development of agriculture and writing.webm 23.27MB
  726. Science/07 - Discoveries and projects - 03 - Robots/01 - All about Spout - 03 - Spout's sliding SPDT switch.webm 23.12MB
  727. Partner content/09 - Asian Art Museum - 08 - Hinduism/01 - Hinduism - 04 - The Hindu temple.webm 23.08MB
  728. Science/01 - Biology - 01 - Cellular and molecular biology/04 - Photosynthesis - 04 - Photosynthesis_ Light reactions 1.webm 23.07MB
  729. Arts and humanities/06 - Medieval Europe - 04 - Byzantine (late Roman Empire)/03 - Venice and Ravenna - 03 - Saint Mark's Basilica, Venice.webm 23.05MB
  730. Partner content/09 - Asian Art Museum - 10 - Islam/01 - Islam - 04 - Hajj Stories_ Performing the Hajj (Part 2 of 2).webm 23.04MB
  731. Partner content/02 - Tate - 04 - Performance and participation/01 - Performance art - 02 - Actions and Interruptions at Tate Modern.webm 23.03MB
  732. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 11 - Enterprise value.webm 22.95MB
  733. Partner content/19 - Big History Project - 04 - 4. Our Solar System and Earth/04 - 4.3—Ways of Knowing_ Our Solar System and Earth - 02 - Introduction to the Geologic Time Chart.webm 22.89MB
  734. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/01 - Early Renaissance in Venice - 05 - Andrea Mantegna, San Zeno Altarpiece.webm 22.84MB
  735. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 09 - Xu Bing, Book from the Sky.webm 22.80MB
  736. Test prep/07 - AP* Art History - 12 - Global contemporary_ 1980-present/01 - Global contemporary_ 1980-present - 02 - Xu Bing, Book from the Sky.webm 22.80MB
  737. Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 06 - The prime number theorem.webm 22.78MB
  738. Math/23 - Recreational math - 03 - Math warmups/06 - Number Theory warmups - 02 - The prime number theorem.webm 22.78MB
  739. Partner content/19 - Big History Project - 10 - 10. The Future/05 - Other Materials - 02 - Sanjayan_ Visions of the Future.webm 22.76MB
  740. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/02 - French Revolution - 02 - French Revolution (part 2).webm 22.75MB
  741. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/02 - French Revolution - 01 - French Revolution (part 1).webm 22.73MB
  742. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/03 - Napoleon Bonaparte - 02 - Napoleon and the Wars of the First and Second Coalitions.webm 22.70MB
  743. Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 07 - Electrostatic telegraphs (case study).webm 22.69MB
  744. Science/07 - Discoveries and projects - 01 - Discoveries/08 - Electrostatics - 04 - Electrostatic telegraphs (case study).webm 22.69MB
  745. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/05 - Haitian Revolution - 02 - Haitian Revolution (Part 2).webm 22.68MB
  746. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 01 - A look at modern veneration from the British Museum.webm 22.67MB
  747. Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 04 - Origin of Markov chains.webm 22.66MB
  748. Partner content/02 - Tate - 04 - Performance and participation/02 - Collaboration - 03 - Daido Moriyama.webm 22.66MB
  749. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/02 - French Revolution - 04 - French Revolution (part 4) - The Rise of Napoleon Bonaparte.webm 22.65MB
  750. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/03 - Napoleon Bonaparte - 01 - French Revolution (part 4) - The Rise of Napoleon Bonaparte.webm 22.65MB
  751. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/06 - Heart muscle contraction - 02 - Heart cells up close_.webm 22.64MB
  752. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/08 - Siena, the Late Gothic - 01 - Duccio, Maesta (front).webm 22.63MB
  753. Math/24 - Math contests - 01 - AMC 10/01 - 2013 AMC 10 A - 02 - 2013 AMC 10 A #22 _ AMC 12 A #18.webm 22.59MB
  754. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/04 - Alexander Hamilton - 01 - An introduction to Alexander Hamilton.webm 22.58MB
  755. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 05 - Making aligned hardware, software, and space decisions in a blended learning environment/03 - Blended learning hardware and infrastructure - 01 - Putting the right hardware and infrastructure in place.webm 22.50MB
  756. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 06 - Language_ Meaning and Language.webm 22.46MB
  757. Partner content/03 - The British Museum - 04 - Europe/03 - Medieval era - 01 - Installation of the St Baudime reliquary in the Treasures of Heaven exhibition at the British Museum.webm 22.45MB
  758. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 08 - Proof_ Any subspace basis has same number of elements.webm 22.43MB
  759. Science/02 - Physics - 01 - One-dimensional motion/03 - Kinematic formulas and projectile motion - 04 - Plotting projectile displacement, acceleration, and velocity.webm 22.42MB
  760. Test prep/02 - MCAT - 07 - Behavior/05 - Psychological disorders - 03 - Biological basis of schizophrenia.webm 22.34MB
  761. Math/22 - Linear algebra - 02 - Matrix transformations/07 - Transpose of a matrix - 07 - Visualizations of left nullspace and rowspace.webm 22.34MB
  762. Partner content/19 - Big History Project - 05 - 5. Life/06 - Other Materials - 01 - Introduction to Biology.webm 22.33MB
  763. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/07 - Florence, the Late Gothic - 08 - Giotto, Arena (Scrovegni) Chapel (part 4).webm 22.32MB
  764. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 16 - Giotto, Arena (Scrovegni) Chapel (part 4).webm 22.32MB
  765. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 01 - Ethics_ The problem of evil.webm 22.30MB
  766. Math/22 - Linear algebra - 02 - Matrix transformations/01 - Functions and linear transformations - 06 - Image of a subset under a transformation.webm 22.30MB
  767. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/03 - Daedalic and Archaic - 05 - Ancient Greek temples at Paestum, Italy.webm 22.29MB
  768. Test prep/02 - MCAT - 07 - Behavior/05 - Psychological disorders - 02 - Categories of mental disorders.webm 22.23MB
  769. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/02 - Orthogonal projections - 05 - Another example of a projection matrix.webm 22.23MB
  770. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 10 - Borromini, San Carlo alle Quattro Fontane.webm 22.21MB
  771. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./04 - Protestant Reformation and Catholic Counter-Reformation - 05 - Borromini, San Carlo alle Quattro Fontane.webm 22.21MB
  772. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 02 - Creating the ideal student experience in a blended learning classroom/03 - Preparing students for success - 01 - How to prepare students to thrive in a blended learning environment.webm 22.19MB
  773. Arts and humanities/14 - Africa, Oceania, and the indigenous Americas - 03 - South America/01 - Inca - 01 - Inca ushnus_ landscape, site and symbol in the Andes.webm 22.18MB
  774. Partner content/03 - The British Museum - 02 - The Americas/01 - South America - 01 - Inca ushnus_ landscape, site and symbol in the Andes.webm 22.18MB
  775. Partner content/09 - Asian Art Museum - 07 - Japan/01 - Japan - 02 - Ancient temples of Nara Japan.webm 22.16MB
  776. Test prep/07 - AP* Art History - 10 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E./01 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E. - 05 - Ancient temples of Nara Japan.webm 22.16MB
  777. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 23 - Bramante, Tempietto.webm 22.13MB
  778. Science/02 - Physics - 01 - One-dimensional motion/03 - Kinematic formulas and projectile motion - 02 - Acceleration of aircraft carrier takeoff.webm 22.13MB
  779. Arts and humanities/03 - Art history basics - 01 - First things first/01 - First things first - 03 - A brief history of representing the body in Western painting.webm 22.10MB
  780. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 24 - FRB commentary 3_ Big picture.webm 22.09MB
  781. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/01 - Early Victorian - 01 - Charles Barry and A.W.N. Pugin, Palace of Westminster (Houses of Parliament).webm 22.09MB
  782. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./01 - Enlightenment and revolution - 07 - Charles Barry and A.W.N. Pugin, Palace of Westminster (Houses of Parliament).webm 22.09MB
  783. Science/01 - Biology - 02 - Human biology/01 - Circulatory and pulmonary systems - 01 - The lungs and pulmonary system.webm 22.02MB
  784. Science/06 - Health and medicine - 02 - Human anatomy and physiology/02 - Respiratory system introduction - 07 - The lungs and pulmonary system.webm 22.02MB
  785. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/01 - A beginner's guide to ancient Greece - 01 - The classical orders.webm 21.96MB
  786. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 01 - The classical orders.webm 21.96MB
  787. Math/23 - Recreational math - 01 - Doodling in Math and more/07 - Thanksgiving math - 04 - Thanksgiving turduckenen-duckenen.webm 21.93MB
  788. Arts and humanities/01 - History - 03 - 1500-1600_ Renaissance and Reformation/01 - The Protestant Reformation - 04 - Introduction to the Protestant Reformation_ The Counter-Reformation (part 4).webm 21.93MB
  789. Arts and humanities/07 - Renaissance and Reformation - 06 - Reformation and the Counter-Reformation/01 - Reformation and the Counter-Reformation - 04 - Introduction to the Protestant Reformation_ The Counter-Reformation (part 4).webm 21.93MB
  790. Arts and humanities/01 - History - 05 - Surveys of history/01 - United States history overview - 06 - 20th Century capitalism and regulation in the United States.webm 21.92MB
  791. Arts and humanities/05 - Ancient art and civilizations - 09 - Asia/01 - A beginner's guide to Hindu art and culture - 01 - The making and worship of Ganesha statues in Maharashtra.webm 21.91MB
  792. Arts and humanities/13 - South and East Asia - 02 - South Asia/01 - Hindu art - 01 - The making and worship of Ganesha statues in Maharashtra.webm 21.91MB
  793. Partner content/03 - The British Museum - 03 - Asia/03 - India - 01 - The making and worship of Ganesha statues in Maharashtra.webm 21.91MB
  794. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 07 - The ovarian cycle.webm 21.85MB
  795. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 07 - The ovarian cycle.webm 21.85MB
  796. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/01 - Orthogonal complements - 01 - Orthogonal complements.webm 21.83MB
  797. Arts and humanities/02 - Music - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 06 - Lesson 6_ Constant versus changing time, adding triplets, and duplets.webm 21.77MB
  798. Partner content/10 - All-Star Orchestra - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 06 - Lesson 6_ Constant versus changing time, adding triplets, and duplets.webm 21.77MB
  799. Arts and humanities/13 - South and East Asia - 04 - Korea and Japan/01 - Korean art - 01 - Royal palaces of Seoul.webm 21.75MB
  800. Partner content/09 - Asian Art Museum - 06 - Korea/01 - Korea - 05 - Royal palaces of Seoul.webm 21.75MB
  801. Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 09 - Morse code and the information age.webm 21.73MB
  802. Math/22 - Linear algebra - 02 - Matrix transformations/06 - More determinant depth - 08 - Determinant and area of a parallelogram.webm 21.73MB
  803. Math/14 - Algebra II - 03 - Polynomial and rational functions/13 - Asymptotes and graphing rational functions - 01 - Asymptotes of rational functions.webm 21.73MB
  804. Math/14 - Algebra II - 04 - Rational expressions/03 - Graphing rational functions - 04 - Asymptotes of rational functions.webm 21.73MB
  805. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 01 - Ancient_ Aristotle on the purpose of life.webm 21.71MB
  806. Partner content/19 - Big History Project - 04 - 4. Our Solar System and Earth/04 - 4.3—Ways of Knowing_ Our Solar System and Earth - 01 - Introduction to Geology.webm 21.68MB
  807. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/01 - Orthogonal complements - 07 - Rowspace solution to Ax _ b example.webm 21.66MB
  808. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 09 - Troost, House of German Art and the Entartete Kunst exhibition.webm 21.63MB
  809. Math/16 - Probability and statistics - 07 - Inferential statistics/06 - Hypothesis testing with two samples - 03 - Confidence interval of difference of means.webm 21.63MB
  810. Math/22 - Linear algebra - 02 - Matrix transformations/04 - Inverse functions and transformations - 09 - Showing that inverses are linear.webm 21.62MB
  811. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/02 - Sculpture - 04 - Adriaen de Vries's bronze casting technique_ direct lost-wax method.webm 21.57MB
  812. Partner content/05 - The J. Paul Getty Museum - 07 - Sculpture/01 - Sculpture - 02 - Adriaen de Vries's bronze casting technique_ direct lost-wax method.webm 21.57MB
  813. Partner content/19 - Big History Project - 05 - 5. Life/06 - Other Materials - 02 - Introduction to Conservation Science.webm 21.56MB
  814. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 06 - Macrostates and microstates.webm 21.54MB
  815. Science/03 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 01 - Macrostates and microstates.webm 21.54MB
  816. Arts and humanities/12 - Arts of the Islamic world - 03 - Medieval period/01 - Medieval period - 04 - Ilkhanid Mihrab.webm 21.53MB
  817. Arts and humanities/14 - Africa, Oceania, and the indigenous Americas - 03 - South America/02 - Ancient Colombian chiefdoms and indigenous Amazonian peoples - 03 - From wax to metal_ Goldmaking techniques of the ancient Colombians.webm 21.53MB
  818. Partner content/03 - The British Museum - 02 - The Americas/01 - South America - 02 - From wax to metal_ Goldmaking techniques of the ancient Colombians.webm 21.53MB
  819. Partner content/03 - The British Museum - 04 - Europe/01 - Ancient Greece - 06 - Bonnie Greer on the Parthenon sculptures at the British Museum.webm 21.48MB
  820. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 08 - Proof_ Relationship between cross product and sin of angle.webm 21.44MB
  821. Science/02 - Physics - 07 - Gravitation/01 - Newton's law of gravitation - 01 - Introduction to gravity.webm 21.43MB
  822. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 08 - Land productivity limiting human population.webm 21.39MB
  823. Math/22 - Linear algebra - 02 - Matrix transformations/06 - More determinant depth - 09 - Determinant as scaling factor.webm 21.38MB
  824. Test prep/02 - MCAT - 07 - Behavior/05 - Psychological disorders - 05 - Biological basis of alzheimer's disease.webm 21.34MB
  825. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 02 - Creating the ideal student experience in a blended learning classroom/02 - The learning environment in a station rotation, lab rotation and flex model - 01 - Redesigning the school day at KIPP LA using a station rotation model.webm 21.33MB
  826. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 06 - Leonardo, Last Supper.webm 21.33MB
  827. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 08 - Leonardo, Last Supper.webm 21.33MB
  828. Partner content/09 - Asian Art Museum - 07 - Japan/01 - Japan - 05 - A brief history of samurai armor.webm 21.33MB
  829. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 19 - Enguerrand Quarton(_), Pietà of Villeneuve-lès-Avignon.webm 21.28MB
  830. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/07 - Heart depolarization - 08 - Depolarization waves flowing through the heart.webm 21.27MB
  831. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 13 - Work done by isothermic process.webm 21.24MB
  832. Science/03 - Chemistry - 11 - Thermodynamics/03 - Entropy - 01 - Work done by isothermic process.webm 21.24MB
  833. Partner content/03 - The British Museum - 03 - Asia/05 - Iran - 04 - Takhti_ a modern Iranian hero, exhibition at the British Museum.webm 21.23MB
  834. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 06 - Chassis_frame.webm 21.15MB
  835. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 19 - Entropy intuition.webm 21.13MB
  836. Science/03 - Chemistry - 11 - Thermodynamics/03 - Entropy - 07 - Entropy intuition.webm 21.13MB
  837. Science/03 - Chemistry - 05 - Chemical bonds/02 - Dot structures - 01 - Drawing dot structures.webm 21.08MB
  838. Test prep/02 - MCAT - 05 - Chemical processes/04 - Dot structures - 01 - Drawing dot structures.webm 21.08MB
  839. Science/03 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 01 - pH of a weak acid.webm 21.07MB
  840. Math/21 - Differential equations - 03 - Laplace transform/03 - Laplace transform to solve a differential equation - 03 - Using the Laplace transform to solve a nonhomogeneous eq.webm 21.05MB
  841. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 02 - Creating the ideal student experience in a blended learning classroom/03 - Preparing students for success - 03 - How the concepts of 'non-cognitive skills' play out in a blended-learning setting.webm 21.02MB
  842. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 05 - Wilton Diptych.webm 20.98MB
  843. Math/18 - Differential calculus - 03 - Derivative applications/05 - Concavity and inflection points - 04 - Graphing using derivatives.webm 20.97MB
  844. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/01 - Early Renaissance in Venice - 08 - Mantegna, Camera degli Sposi.webm 20.94MB
  845. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/06 - Scientific notation - 01 - Introduction to scientific notation.webm 20.91MB
  846. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/06 - Scientific notation - 01 - Introduction to scientific notation.webm 20.91MB
  847. Math/10 - Algebra basics - 01 - Foundations/09 - Scientific notation - 01 - Introduction to scientific notation.webm 20.91MB
  848. Science/03 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 01 - Acid base introduction.webm 20.88MB
  849. Math/14 - Algebra II - 08 - Conic sections/04 - Parabolas - 03 - Focus and directrix of a parabola 2.webm 20.86MB
  850. Math/23 - Recreational math - 01 - Doodling in Math and more/07 - Thanksgiving math - 01 - Green bean matherole.webm 20.84MB
  851. Science/06 - Health and medicine - 04 - Circulatory system diseases/04 - Aortic dissection and aneurysm - 03 - Abdominal aortic aneurysms.webm 20.83MB
  852. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/08 - Aortic dissection and aneurysm - 03 - Abdominal aortic aneurysms.webm 20.83MB
  853. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 07 - Hemoglobin moves O2 and CO2.webm 20.82MB
  854. Test prep/02 - MCAT - 03 - Organ systems/08 - Hematologic system - 02 - Hemoglobin moves O2 and CO2.webm 20.82MB
  855. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/07 - Florence, the Late Gothic - 03 - Cimabue, Santa Trinita Madonna and Giotto's Ognissanti Madonna.webm 20.77MB
  856. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 01 - Matrix vector products.webm 20.75MB
  857. Science/01 - Biology - 02 - Human biology/05 - Immunology - 05 - Helper T cells.webm 20.73MB
  858. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 05 - Helper T cells.webm 20.73MB
  859. Test prep/02 - MCAT - 03 - Organ systems/11 - Immune system - 05 - Helper T cells.webm 20.73MB
  860. Test prep/03 - NCLEX-RN - 09 - Immune system/01 - Immune system - 05 - Helper T cells.webm 20.73MB
  861. Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 03 - Measuring information.webm 20.73MB
  862. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 12 - Epistemology_ Science, can it teach us everything_.webm 20.71MB
  863. Arts and humanities/03 - Art history basics - 01 - First things first/01 - First things first - 02 - A brief history of the representation of the body in Western sculpture.webm 20.68MB
  864. Arts and humanities/02 - Music - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 02 - Lesson 2_ Rhythm, dotted notes, ties, and rests.webm 20.66MB
  865. Partner content/10 - All-Star Orchestra - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 02 - Lesson 2_ Rhythm, dotted notes, ties, and rests.webm 20.66MB
  866. Science/01 - Biology - 01 - Cellular and molecular biology/01 - Cells - 05 - Chromosomes, chromatids, chromatin, etc..webm 20.66MB
  867. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/11 - The Cold War - 01 - Communism.webm 20.62MB
  868. Partner content/09 - Asian Art Museum - 04 - The Himalayas and the Tibetan Buddhist World/01 - The Himalayas and the Tibetan Buddhist World - 01 - Sacred arts of Tibet.webm 20.62MB
  869. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 15 - Proof_ Volume ratios in a carnot cycle.webm 20.60MB
  870. Science/03 - Chemistry - 11 - Thermodynamics/03 - Entropy - 03 - Proof_ Volume ratios in a carnot cycle.webm 20.60MB
  871. Science/01 - Biology - 03 - Heredity and evolution/03 - Tree of life - 03 - Bacteria.webm 20.58MB
  872. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/02 - Pottery - 03 - Attic Black-Figure_ Exekias, amphora with Ajax and Achilles playing a game.webm 20.56MB
  873. Arts and humanities/03 - Art history basics - 03 - Art 1010/01 - Art 1010 - 03 - Medieval and Byzantine art.webm 20.55MB
  874. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 02 - Creating the ideal student experience in a blended learning classroom/03 - Preparing students for success - 02 - Stories of success from the protagonist schools about their forays into blended learning.webm 20.51MB
  875. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/02 - Expressionism - 08 - Kandinsky, Composition VII.webm 20.50MB
  876. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 08 - Manet, Le déjeuner sur l'herbe.webm 20.48MB
  877. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/02 - Pottery - 05 - Attic Red-Figure_ Niobid Painter, 'Niobid Krater'.webm 20.45MB
  878. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 06 - Attic Red-Figure_ Niobid Painter, 'Niobid Krater'.webm 20.45MB
  879. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/09 - Preload and afterload - 09 - Increasing the heart's force of contraction.webm 20.43MB
  880. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/11 - Changing the PV loop - 03 - Increasing the heart's force of contraction.webm 20.43MB
  881. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/06 - Late empire - 01 - Portraits of the Four Tetrarchs.webm 20.42MB
  882. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 10 - Diagnosing active TB.webm 20.42MB
  883. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 10 - Diagnosing active TB.webm 20.42MB
  884. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 03 - Cathedral of Notre Dame de Chartres (part 2).webm 20.40MB
  885. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 11 - Cathedral of Notre Dame de Chartres (part 2).webm 20.40MB
  886. Math/22 - Linear algebra - 02 - Matrix transformations/04 - Inverse functions and transformations - 07 - Matrix condition for one-to-one trans.webm 20.36MB
  887. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 08 - First law of thermodynamics _ internal energy.webm 20.36MB
  888. Science/03 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 03 - First law of thermodynamics _ internal energy.webm 20.36MB
  889. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/04 - Babylonian - 03 - Ishtar gate and Processional Way.webm 20.35MB
  890. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 21 - Pozzo, Glorification of Saint Ignatius, Sant'Ignazio.webm 20.32MB
  891. Science/07 - Discoveries and projects - 03 - Robots/02 - Spout Bot with Solder - 05 - Spout motor mount.webm 20.32MB
  892. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 14 - Alberti, Palazzo Rucellai.webm 20.30MB
  893. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 05 - Alberti, Palazzo Rucellai.webm 20.30MB
  894. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 08 - Vapor pressure.webm 20.28MB
  895. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 04 - Early Modern_ Locke on Personal Identity Part 1.webm 20.28MB
  896. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/02 - New York School - 06 - The Painting Techniques of Ad Reinhardt.webm 20.26MB
  897. Partner content/04 - The Museum of Modern Art - 04 - Abstract Expressionism/01 - Abstract Expressionism - 11 - The Painting Techniques of Ad Reinhardt.webm 20.26MB
  898. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 04 - Ethics_ Problem of evil part 3.webm 20.21MB
  899. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 01 - Fundamentals_ Introduction to critical thinking.webm 20.20MB
  900. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/02 - Blood pressure control - 04 - Renin production in the kidneys.webm 20.18MB
  901. Test prep/02 - MCAT - 03 - Organ systems/13 - Renal regulation of blood pressure - 02 - Renin production in the kidneys.webm 20.18MB
  902. Test prep/03 - NCLEX-RN - 10 - Renal system/02 - Renal regulation of blood pressure - 02 - Renin production in the kidneys.webm 20.18MB
  903. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 08 - Ethics_ Killing animals for food.webm 20.17MB
  904. Arts and humanities/02 - Music - 02 - Masterpieces old and new/01 - Ludwig van Beethoven_ Symphony No. 5 - 05 - Ludwig van Beethoven_ Symphony No. 5, an appreciation by Leon Botstein.webm 20.10MB
  905. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/01 - Ludwig van Beethoven_ Symphony No. 5 - 05 - Ludwig van Beethoven_ Symphony No. 5, an appreciation by Leon Botstein.webm 20.10MB
  906. Economics and finance/03 - Finance and capital markets - 03 - Inflation/01 - Inflation basics - 04 - CPI index.webm 20.10MB
  907. Arts and humanities/05 - Ancient art and civilizations - 05 - Nabataean/01 - Nabataean - 01 - Petra_ UNESCO Siq Project.webm 20.09MB
  908. Test prep/07 - AP* Art History - 09 - West and central Asia_ 500 B.C.E.-1980 C.E./01 - West and central Asia_ 500 B.C.E.-1980 C.E. - 01 - Petra_ UNESCO Siq Project.webm 20.09MB
  909. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 03 - Wau_ The most amazing, ancient, and singular number.webm 20.09MB
  910. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 13 - Hume_ Skepticism and Induction Part 2.webm 20.08MB
  911. Arts and humanities/12 - Arts of the Islamic world - 03 - Medieval period/01 - Medieval period - 03 - Basin (Baptistère de Saint Louis).webm 20.08MB
  912. Test prep/07 - AP* Art History - 09 - West and central Asia_ 500 B.C.E.-1980 C.E./01 - West and central Asia_ 500 B.C.E.-1980 C.E. - 03 - Basin (Baptistère de Saint Louis).webm 20.08MB
  913. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 01 - Artists Experiment 2014 - MoMA.webm 20.07MB
  914. Partner content/02 - Tate - 04 - Performance and participation/02 - Collaboration - 05 - Ei Arakawa.webm 20.07MB
  915. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/03 - Logarithmic functions - 03 - Matching functions to their graphs.webm 20.04MB
  916. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 02 - Creating the ideal student experience in a blended learning classroom/02 - The learning environment in a station rotation, lab rotation and flex model - 03 - Redesigning the school day at Summit Public Schools using a flex model.webm 20.02MB
  917. Science/01 - Biology - 01 - Cellular and molecular biology/01 - Cells - 01 - Diffusion and osmosis.webm 20.02MB
  918. Test prep/02 - MCAT - 02 - Cells/03 - Transport across a cell membrane - 03 - Diffusion and osmosis.webm 20.02MB
  919. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 01 - Unlock Art_ Frank Skinner on Performance Art.webm 20.01MB
  920. Partner content/02 - Tate - 04 - Performance and participation/01 - Performance art - 01 - Unlock Art_ Frank Skinner on Performance Art.webm 20.01MB
  921. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/01 - Orthogonal complements - 06 - Unique rowspace solution to Ax _ b.webm 20.00MB
  922. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 15 - Paolo Veronese. Feast in the House of Levi.webm 19.97MB
  923. Partner content/02 - Tate - 02 - The art of inspiration/02 - Fashion meets art - 03 - Fashion meets art_ Simone Rocha inspired by Louise Bourgeois.webm 19.95MB
  924. Science/01 - Biology - 01 - Cellular and molecular biology/04 - Photosynthesis - 05 - Photosynthesis_ Light reactions and photophosphorylation.webm 19.95MB
  925. Science/06 - Health and medicine - 15 - Health care system/01 - Health care system - 06 - Medicare overview.webm 19.92MB
  926. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 34 - Limiting reactant example problem 1.webm 19.89MB
  927. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/03 - Limiting reagent stoichiometry - 02 - Limiting reactant example problem 1.webm 19.89MB
  928. Test prep/02 - MCAT - 04 - Physical processes/28 - Stoichiometry - 07 - Limiting reactant example problem 1.webm 19.89MB
  929. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/02 - Blood pressure control - 09 - ADH secretion.webm 19.89MB
  930. Test prep/02 - MCAT - 03 - Organ systems/13 - Renal regulation of blood pressure - 07 - ADH secretion.webm 19.89MB
  931. Test prep/03 - NCLEX-RN - 10 - Renal system/02 - Renal regulation of blood pressure - 07 - ADH secretion.webm 19.89MB
  932. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 02 - Conservation of antiquities.webm 19.88MB
  933. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 09 - Energy inputs for tilling a hectare of land.webm 19.86MB
  934. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/04 - Green's theorem - 02 - Green's theorem proof (part 2).webm 19.86MB
  935. Math/21 - Differential equations - 03 - Laplace transform/03 - Laplace transform to solve a differential equation - 04 - Laplace_step function differential equation.webm 19.85MB
  936. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 02 - How earth's tilt causes seasons.webm 19.85MB
  937. Math/22 - Linear algebra - 01 - Vectors and spaces/04 - Subspaces and the basis for a subspace - 02 - Basis of a subspace.webm 19.83MB
  938. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/09 - Hans Holbein - 01 - Holbein the Younger, the Ambassadors.webm 19.83MB
  939. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 12 - Donatello, Equestrian Monument of Gattamelata.webm 19.82MB
  940. Science/07 - Discoveries and projects - 02 - Reverse engineering/01 - Household - 03 - What is inside a tap light_.webm 19.77MB
  941. Arts and humanities/01 - History - 03 - 1500-1600_ Renaissance and Reformation/01 - The Protestant Reformation - 01 - Introduction to the Protestant Reformation_ Setting the stage (part 1).webm 19.76MB
  942. Arts and humanities/07 - Renaissance and Reformation - 06 - Reformation and the Counter-Reformation/01 - Reformation and the Counter-Reformation - 01 - Introduction to the Protestant Reformation_ Setting the stage (part 1).webm 19.76MB
  943. Math/16 - Probability and statistics - 07 - Inferential statistics/06 - Hypothesis testing with two samples - 08 - Hypothesis test comparing population proportions.webm 19.76MB
  944. Arts and humanities/09 - Becoming modern - 02 - Romanticism/02 - France - 08 - Delacroix, Liberty Leading the People.webm 19.71MB
  945. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./01 - Enlightenment and revolution - 04 - Delacroix, Liberty Leading the People.webm 19.71MB
  946. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/01 - Fauvism and Matisse - 01 - Matisse, Luxe, calme et volupté.webm 19.70MB
  947. Math/23 - Recreational math - 01 - Doodling in Math and more/04 - About pi and tau - 04 - Are Shakespeare's plays encoded within pi_.webm 19.69MB
  948. Science/01 - Biology - 01 - Cellular and molecular biology/03 - Cellular respiration - 05 - Oxidation and reduction in cellular respiration.webm 19.69MB
  949. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 09 - Dot and cross product comparison_intuition.webm 19.69MB
  950. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/01 - Early Renaissance in Venice - 04 - Giovanni Bellini, San Zaccaria Altarpiece.webm 19.66MB
  951. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/04 - Orthonormal bases and the Gram-Schmidt process - 07 - The Gram-Schmidt process.webm 19.65MB
  952. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/05 - World War I shapes the Middle East - 03 - Sykes-Picot Agreement and the Balfour Declaration.webm 19.64MB
  953. Science/07 - Discoveries and projects - 03 - Robots/03 - Spout Bot without Solder - 08 - Connect the LEDs to an on_off switch.webm 19.56MB
  954. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 05 - Workshop of Campin, Annunciation Triptych (Merode Altarpiece).webm 19.55MB
  955. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 01 - Workshop of Campin, Annunciation Triptych (Merode Altarpiece).webm 19.55MB
  956. Partner content/09 - Asian Art Museum - 10 - Islam/01 - Islam - 05 - Hajj Stories_ Takeaways from the Hajj.webm 19.55MB
  957. Arts and humanities/08 - Monarchy and enlightenment - 02 - Rococo/01 - Rococo - 01 - Antoine Watteau, Pilgrimage to Cythera.webm 19.54MB
  958. Science/06 - Health and medicine - 04 - Circulatory system diseases/04 - Aortic dissection and aneurysm - 01 - What is an aortic dissection_.webm 19.52MB
  959. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/08 - Aortic dissection and aneurysm - 01 - What is an aortic dissection_.webm 19.52MB
  960. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 17 - Religion_ Reason and faith.webm 19.51MB
  961. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/03 - Fetal circulation - 05 - Foramen ovale and ductus arteriosus.webm 19.50MB
  962. Arts and humanities/13 - South and East Asia - 01 - Imperial China/03 - Tang dynasty (618-907) - 01 - Chinese Buddhist cave shrines.webm 19.50MB
  963. Partner content/09 - Asian Art Museum - 05 - China/01 - China - 03 - Chinese Buddhist cave shrines.webm 19.50MB
  964. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 08 - Banking 8_ Reserve ratios.webm 19.49MB
  965. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 16 - Proof_ S (or entropy) is a valid state variable.webm 19.48MB
  966. Science/03 - Chemistry - 11 - Thermodynamics/03 - Entropy - 04 - Proof_ S (or entropy) is a valid state variable.webm 19.48MB
  967. Test prep/02 - MCAT - 01 - Biomolecules/14 - Krebs (citric acid) cycle and oxidative phosphorylation - 08 - Calculating ATP produced in cellular respiration.webm 19.48MB
  968. Test prep/02 - MCAT - 01 - Biomolecules/03 - Enzyme kinetics - 02 - Steady states and the Michaelis Menten equation.webm 19.47MB
  969. Partner content/02 - Tate - 04 - Performance and participation/02 - Collaboration - 01 - Unlock Art_ Great Double Acts.webm 19.47MB
  970. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 07 - Spider's motor controller.webm 19.44MB
  971. Arts and humanities/14 - Africa, Oceania, and the indigenous Americas - 03 - South America/02 - Ancient Colombian chiefdoms and indigenous Amazonian peoples - 05 - Mundurukú Headdress_ a glimpse of life in the Amazon rainforest.webm 19.44MB
  972. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 24 - Camera connection to the Arduino.webm 19.43MB
  973. Science/06 - Health and medicine - 04 - Circulatory system diseases/01 - Coronary artery disease - 01 - What is coronary artery disease_.webm 19.42MB
  974. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/01 - Coronary artery disease - 01 - What is coronary artery disease_.webm 19.42MB
  975. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/09 - Preload and afterload - 05 - Frank-Starling mechanism.webm 19.42MB
  976. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/04 - Early empire - 05 - Relief from the Arch of Titus, showing The Spoils of Jerusalem being brought into Rome.webm 19.39MB
  977. Arts and humanities/05 - Ancient art and civilizations - 08 - Judaism and art/01 - Judaism and art - 01 - Relief from the Arch of Titus, showing The Spoils of Jerusalem being brought into Rome.webm 19.39MB
  978. Science/03 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 07 - Partial pressure.webm 19.34MB
  979. Test prep/02 - MCAT - 04 - Physical processes/11 - Gas phase - 09 - Partial pressure.webm 19.34MB
  980. Test prep/02 - MCAT - 04 - Physical processes/28 - Stoichiometry - 01 - Molecular and empirical formulas.webm 19.33MB
  981. Arts and humanities/09 - Becoming modern - 03 - Early photography/01 - Early photography - 03 - P.H. Emerson's naturalistic photography.webm 19.30MB
  982. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/01 - Photography before 1970 - 05 - P.H. Emerson's naturalistic photography.webm 19.30MB
  983. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 28 - Gibbs free energy and spontaneity.webm 19.30MB
  984. Science/03 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 01 - Gibbs free energy and spontaneity.webm 19.30MB
  985. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/02 - Carolingian - 05 - Santa Prassede (Praxedes).webm 19.29MB
  986. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 01 - States of matter.webm 19.28MB
  987. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 07 - 'Plaque of the Ergastines' fragment from the frieze on the east side of the Parthenon.webm 19.27MB
  988. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 11 - 'Plaque of the Ergastines' fragment from the frieze on the east side of the Parthenon.webm 19.27MB
  989. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/03 - Cubism and its impact - 04 - Picasso, Still Life with Chair Caning.webm 19.26MB
  990. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 33 - Stoichiometry example problem 2.webm 19.25MB
  991. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/02 - Stoichiometry - 03 - Stoichiometry example problem 2.webm 19.25MB
  992. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 04 - Vector triangle inequality.webm 19.24MB
  993. Science/06 - Health and medicine - 02 - Human anatomy and physiology/02 - Respiratory system introduction - 03 - The bronchial tree.webm 19.21MB
  994. Math/21 - Differential equations - 03 - Laplace transform/02 - Properties of the Laplace transform - 07 - Inverse Laplace examples.webm 19.21MB
  995. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 01 - Protein modifications.webm 19.20MB
  996. Science/03 - Chemistry - 08 - Chemical equilibrium/01 - Equilibrium constant - 03 - Keq derivation intuition (can skip; bit mathy).webm 19.19MB
  997. Arts and humanities/05 - Ancient art and civilizations - 02 - Egyptian art and culture/03 - New Kingdom - 02 - Akhenaten, Nefertiti, and Three Daughters.webm 19.15MB
  998. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./02 - Ancient Egypt - 02 - Akhenaten, Nefertiti, and Three Daughters.webm 19.15MB
  999. Arts and humanities/11 - Toward a global culture - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 04 - Zaha Hadid, MAXXI National Museum of XXI Century Arts, Rome.webm 19.14MB
  1000. Test prep/07 - AP* Art History - 12 - Global contemporary_ 1980-present/01 - Global contemporary_ 1980-present - 03 - Zaha Hadid, MAXXI National Museum of XXI Century Arts, Rome.webm 19.14MB
  1001. Math/19 - Integral calculus - 02 - Integration techniques/05 - Trigonometric substitution - 08 - Integrals_ Trig substitution 3 (long problem).webm 19.14MB
  1002. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 02 - Gaudí, Sagrada Família.webm 19.13MB
  1003. Partner content/14 - MIT_K12 - 01 - Physics/01 - Physics - 05 - Shifts in Equilibrium.webm 19.13MB
  1004. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/01 - A beginner's guide to Renaissance Florence - 03 - How one-point linear perspective works.webm 19.11MB
  1005. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/07 - Antwerp and Bruges - 06 - Pieter Bruegel the Elder's Peasant Wedding.webm 19.11MB
  1006. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 02 - The Bayeux Tapestry - Seven Ages of Britain - BBC One.webm 19.09MB
  1007. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 09 - The Bayeux Tapestry - Seven Ages of Britain - BBC One.webm 19.09MB
  1008. Math/22 - Linear algebra - 02 - Matrix transformations/05 - Finding inverses and determinants - 05 - n x n determinant.webm 19.08MB
  1009. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 09 - Kant_ On Metaphysical Knowledge.webm 19.07MB
  1010. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 06 - Studio Tour_ Thomas Lanigan-Schmidt.webm 19.06MB
  1011. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 02 - Ancient_ Epicurus’ Cure for Unhappiness.webm 19.05MB
  1012. Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 08 - Pseudorandom number generators.webm 19.03MB
  1013. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 17 - Flu surveillance.webm 19.03MB
  1014. Science/03 - Chemistry - 03 - Electronic structure of atoms/03 - Electron configurations - 02 - More on orbitals and electron configuration.webm 19.02MB
  1015. Math/17 - Precalculus - 01 - Vectors/03 - Vectors in magnitude and direction form - 04 - Breaking down vectors into components.webm 18.99MB
  1016. Arts and humanities/13 - South and East Asia - 01 - Imperial China/02 - Northern Qi dynasty (550 - 577) - 01 - Bodhisattva.webm 18.97MB
  1017. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 08 - Meet the placenta_.webm 18.97MB
  1018. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/03 - Fetal circulation - 01 - Meet the placenta_.webm 18.97MB
  1019. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 08 - Meet the placenta_.webm 18.97MB
  1020. Arts and humanities/10 - Age of global conflict - 07 - Pop/01 - Pop - 05 - Lichtenstein, Rouen Cathedral Set V.webm 18.96MB
  1021. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 07 - Early Modern_ Descartes' Cogito Argument.webm 18.96MB
  1022. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/09 - Pisa and Rome, the Late Gothic - 02 - Pietro Cavallini, The Last Judgment.webm 18.96MB
  1023. Partner content/19 - Big History Project - 08 - 8. Expansion and Interconnection/01 - 8.0—Expansion - 01 - Why Did Civilizations Expand_.webm 18.96MB
  1024. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 03 - Bayeux Tapestry.webm 18.95MB
  1025. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 22 - Fractional Reserve banking commentary 1.webm 18.93MB
  1026. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 17 - Tintoretto, The Finding of the Body of Saint Mark.webm 18.93MB
  1027. Science/07 - Discoveries and projects - 03 - Robots/01 - All about Spout - 01 - 3rd graders build robots at Santa Rita Elementary School.webm 18.93MB
  1028. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 01 - Brunelleschi and Ghiberti, the Sacrifice of Isaac.webm 18.92MB
  1029. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/07 - Heart depolarization - 04 - Action potentials in pacemaker cells.webm 18.91MB
  1030. Math/21 - Differential equations - 03 - Laplace transform/04 - The convolution integral - 01 - Introduction to the convolution.webm 18.90MB
  1031. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 02 - Seurat, A Sunday on La Grande Jatte.webm 18.90MB
  1032. Partner content/19 - Big History Project - 04 - 4. Our Solar System and Earth/02 - 4.1—What Was Young Earth Like_ - 02 - Earth and the Early Atmosphere.webm 18.88MB
  1033. Science/06 - Health and medicine - 04 - Circulatory system diseases/04 - Aortic dissection and aneurysm - 05 - Aneurysm treatment.webm 18.87MB
  1034. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/08 - Aortic dissection and aneurysm - 05 - Aneurysm treatment.webm 18.87MB
  1035. Science/06 - Health and medicine - 06 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 01 - What is an upper respiratory infection (URI)_.webm 18.85MB
  1036. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 01 - What is an upper respiratory infection (URI)_.webm 18.85MB
  1037. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 03 - Plate tectonics_ Evidence of plate movement.webm 18.85MB
  1038. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/03 - Western and Eastern fronts of World War I - 03 - World War I Eastern front.webm 18.83MB
  1039. Partner content/19 - Big History Project - 05 - 5. Life/02 - 5.1—How Did Life Begin and Change_ - 02 - Mini Thresholds Of Life.webm 18.83MB
  1040. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/02 - New York School - 01 - Jasper Johns, Flag.webm 18.83MB
  1041. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 36 - Example of finding reactant empirical formula.webm 18.82MB
  1042. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/03 - Change of basis - 04 - Transformation matrix with respect to a basis.webm 18.81MB
  1043. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/02 - Orthogonal projections - 08 - Least squares examples.webm 18.79MB
  1044. Science/01 - Biology - 03 - Heredity and evolution/01 - Evolution and natural selection - 01 - Introduction to evolution and natural selection.webm 18.78MB
  1045. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 01 - Sluter, Well of Moses.webm 18.75MB
  1046. Partner content/18 - NASA - 02 - Measuring the Universe/04 - Spectroscopy - 09 - Spitzer telescope.webm 18.73MB
  1047. Math/14 - Algebra II - 02 - Functions and their graphs/12 - More mathy functions - 02 - Introduction to the inverse of a function.webm 18.70MB
  1048. Math/22 - Linear algebra - 02 - Matrix transformations/04 - Inverse functions and transformations - 01 - Introduction to the inverse of a function.webm 18.70MB
  1049. Arts and humanities/06 - Medieval Europe - 02 - Books and the dissemination of knowledge in medieval Europe/01 - Making the medieval book - 02 - An introduction to Medieval scripts.webm 18.70MB
  1050. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 01 - Birth of the Gothic_ Abbot Suger and the ambulatory at St. Denis.webm 18.70MB
  1051. Arts and humanities/01 - History - 04 - Before 1300_ Ancient and Medieval history/02 - Medieval - 02 - Charlemagne_ An introduction (1 of 2).webm 18.69MB
  1052. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/02 - Carolingian - 01 - Charlemagne_ An introduction (1 of 2).webm 18.69MB
  1053. Arts and humanities/14 - Africa, Oceania, and the indigenous Americas - 01 - Africa/03 - Ife - 02 - Ife remembered.webm 18.69MB
  1054. Partner content/03 - The British Museum - 01 - Africa/04 - Ife - 03 - Ife remembered.webm 18.69MB
  1055. Partner content/09 - Asian Art Museum - 05 - China/01 - China - 06 - Buddhist Temples at Wutaishan.webm 18.68MB
  1056. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 01 - Metaphysics_ Ship of theseus.webm 18.64MB
  1057. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 12 - Proof_ U _ (3_2)PV or U _ (3_2)nRT.webm 18.64MB
  1058. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 01 - What is TB_.webm 18.64MB
  1059. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 01 - What is TB_.webm 18.64MB
  1060. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/01 - Line integrals for scalar functions - 01 - Introduction to the line integral.webm 18.63MB
  1061. Math/16 - Probability and statistics - 07 - Inferential statistics/07 - Chi-square probability distribution - 03 - Contingency table chi-square test.webm 18.63MB
  1062. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/03 - Fetal circulation - 08 - Fetal circulation right before birth.webm 18.61MB
  1063. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 03 - Transport of sperm via erection and ejaculation.webm 18.60MB
  1064. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 03 - Transport of sperm via erection and ejaculation.webm 18.60MB
  1065. Arts and humanities/12 - Arts of the Islamic world - 03 - Medieval period/01 - Medieval period - 01 - Two royal figures (Saljuq Period).webm 18.58MB
  1066. Math/23 - Recreational math - 01 - Doodling in Math and more/04 - About pi and tau - 01 - A song about a circle constant.webm 18.58MB
  1067. Partner content/19 - Big History Project - 06 - 6. Early Humans/02 - 6.1—Ways of Knowing_ Early Humans - 02 - Intro to Archaeology.webm 18.57MB
  1068. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/01 - US Declaration of Independence - 06 - Birth of the US Constitution.webm 18.49MB
  1069. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/01 - The Declaration of Independence - 07 - Birth of the US Constitution.webm 18.49MB
  1070. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 10 - Sphereflakes.webm 18.43MB
  1071. Arts and humanities/11 - Toward a global culture - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 07 - Isaac Julien, Ten Thousand Waves - MoMA.webm 18.41MB
  1072. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 03 - Isaac Julien, Ten Thousand Waves - MoMA.webm 18.41MB
  1073. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 06 - Early Modern_ Locke on Personal Identity Part 3.webm 18.40MB
  1074. Math/22 - Linear algebra - 02 - Matrix transformations/02 - Linear transformation examples - 02 - Linear transformation examples_ Rotations in R2.webm 18.40MB
  1075. Science/03 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 08 - Vapor pressure example.webm 18.40MB
  1076. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 01 - Pressure in the left heart - part 1.webm 18.40MB
  1077. Partner content/06 - California Academy of Sciences - 03 - Where is biodiversity found_/02 - Biodiversity distribution patterns - 01 - How biodiversity is distributed globally.webm 18.37MB
  1078. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 08 - Projectile on an incline.webm 18.35MB
  1079. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/04 - Dinosaur fossils - 05 - Preparing dinosaur fossils.webm 18.35MB
  1080. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 05 - Five Tips for Teaching with Works of Art - MoMA Education.webm 18.35MB
  1081. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/04 - France's many revolutions and republics - 01 - Les Miserables and France's many revolutions.webm 18.34MB
  1082. Partner content/19 - Big History Project - 06 - 6. Early Humans/04 - 6.3—How Did the First Humans Live_ - 02 - From Foraging to Food Shopping.webm 18.34MB
  1083. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 18 - Autonomic nervous system.webm 18.33MB
  1084. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 06 - Autonomic nervous system.webm 18.33MB
  1085. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 06 - Autonomic nervous system.webm 18.33MB
  1086. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 12 - Overview of demographics.webm 18.31MB
  1087. Partner content/02 - Tate - 02 - The art of inspiration/02 - Fashion meets art - 01 - Fashion meets art_ Jonathan Saunders inspired by Anthony Caro.webm 18.30MB
  1088. Partner content/14 - MIT_K12 - 04 - Measurement/01 - Measurement - 01 - Under Pressure.webm 18.29MB
  1089. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 35 - Empirical and molecular formulas from stoichiometry.webm 18.28MB
  1090. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/01 - US Declaration of Independence - 04 - Tyranny and despotism.webm 18.26MB
  1091. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/01 - The Declaration of Independence - 05 - Tyranny and despotism.webm 18.26MB
  1092. Arts and humanities/13 - South and East Asia - 01 - Imperial China/05 - Yuan dynasty (1271-1368) - 01 - Buddha of Medicine Bhaishajyaguru (Yaoshi fo).webm 18.24MB
  1093. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 02 - Origami proof of the Pythagorean theorem.webm 18.24MB
  1094. Partner content/02 - Tate - 02 - The art of inspiration/01 - Film meets art - 02 - Film meets art_ Chris Nolan inspired by Francis Bacon.webm 18.24MB
  1095. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 14 - Van der Weyden, Deposition.webm 18.23MB
  1096. Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 02 - Mortgage interest rates.webm 18.22MB
  1097. Partner content/09 - Asian Art Museum - 11 - Art Conservation/01 - Art Conservation - 01 - Conservation and installation of cosmological painting.webm 18.21MB
  1098. Science/01 - Biology - 02 - Human biology/02 - The neuron and nervous system - 06 - Neuronal synapses (chemical).webm 18.21MB
  1099. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 10 - Neuronal synapses (chemical).webm 18.21MB
  1100. Science/06 - Health and medicine - 04 - Circulatory system diseases/01 - Coronary artery disease - 04 - Heart attack (myocardial infarction) pathophysiology.webm 18.20MB
  1101. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/01 - Coronary artery disease - 04 - Heart attack (myocardial infarction) pathophysiology.webm 18.20MB
  1102. Science/03 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 03 - Conjugate acids and bases.webm 18.19MB
  1103. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/04 - Babylonian - 04 - Towers of Babel.webm 18.19MB
  1104. Partner content/03 - The British Museum - 05 - The Middle East/01 - Ancient Near East - 02 - Towers of Babel.webm 18.19MB
  1105. Math/15 - Trigonometry - 04 - Trig identities and examples/07 - Advanced trig examples - 02 - 2003 AIME II problem 14.webm 18.17MB
  1106. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 20 - 2003 AIME II problem 14.webm 18.17MB
  1107. Science/06 - Health and medicine - 04 - Circulatory system diseases/05 - Myocarditis and pericarditis - 04 - Diagnosis of myocarditis and pericarditis (part 1).webm 18.15MB
  1108. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 04 - Diagnosis of myocarditis and pericarditis (part 1).webm 18.15MB
  1109. Math/22 - Linear algebra - 02 - Matrix transformations/05 - Finding inverses and determinants - 03 - Formula for 2x2 inverse.webm 18.14MB
  1110. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 13 - Botticelli, Primavera.webm 18.14MB
  1111. Science/01 - Biology - 01 - Cellular and molecular biology/03 - Cellular respiration - 08 - Electron transport chain.webm 18.13MB
  1112. Test prep/02 - MCAT - 01 - Biomolecules/14 - Krebs (citric acid) cycle and oxidative phosphorylation - 04 - Electron transport chain.webm 18.13MB
  1113. Partner content/14 - MIT_K12 - 03 - Materials/01 - Materials - 04 - Manufacturing Processes_ Hands On to Hands Off.webm 18.10MB
  1114. Arts and humanities/06 - Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 02 - Theotokos mosaic, apse, Hagia Sophia, Istanbul.webm 18.10MB
  1115. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 06 - Theotokos mosaic, apse, Hagia Sophia, Istanbul.webm 18.10MB
  1116. Science/01 - Biology - 01 - Cellular and molecular biology/03 - Cellular respiration - 07 - Krebs _ citric acid cycle.webm 18.10MB
  1117. Test prep/02 - MCAT - 01 - Biomolecules/14 - Krebs (citric acid) cycle and oxidative phosphorylation - 01 - Krebs _ citric acid cycle.webm 18.10MB
  1118. Partner content/09 - Asian Art Museum - 05 - China/01 - China - 01 - Discoveries in Chinese archaeology.webm 18.09MB
  1119. Science/06 - Health and medicine - 04 - Circulatory system diseases/01 - Coronary artery disease - 03 - Atherosclerosis.webm 18.09MB
  1120. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/01 - Coronary artery disease - 03 - Atherosclerosis.webm 18.09MB
  1121. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/01 - Parameterizing a surface - 01 - Introduction to parametrizing a surface with two parameters.webm 18.06MB
  1122. Math/22 - Linear algebra - 02 - Matrix transformations/05 - Finding inverses and determinants - 01 - Deriving a method for determining inverses.webm 18.05MB
  1123. Arts and humanities/05 - Ancient art and civilizations - 09 - Asia/02 - A beginner's guide to Buddhist art and culture - 02 - The stupa.webm 18.05MB
  1124. Partner content/09 - Asian Art Museum - 09 - Buddhism/01 - Buddhism - 02 - The stupa.webm 18.05MB
  1125. Test prep/07 - AP* Art History - 10 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E./01 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E. - 02 - The stupa.webm 18.05MB
  1126. Partner content/12 - Stanford School of Medicine - 03 - Growth and Metabolism/01 - Growth and Metabolism - 02 - Digesting Food.webm 18.02MB
  1127. Arts and humanities/10 - Age of global conflict - 07 - Pop/01 - Pop - 01 - Why is this art_ Andy Warhol, Campbell's Soup Cans.webm 18.01MB
  1128. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/07 - Antwerp and Bruges - 02 - Gossaert, Saint Luke Painting the Madonna.webm 18.01MB
  1129. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 13 - Labor (parturition).webm 18.01MB
  1130. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 13 - Labor (parturition).webm 18.01MB
  1131. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 03 - Sir John Everett Millais, Ophelia.webm 17.99MB
  1132. Test prep/02 - MCAT - 08 - Individuals and society/01 - Self-identity - 05 - Erikson's psychosocial development.webm 17.99MB
  1133. Science/01 - Biology - 03 - Heredity and evolution/03 - Tree of life - 01 - Taxonomy and the tree of life.webm 17.98MB
  1134. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/05 - What drives oil prices - 01 - Breakdown of gas prices.webm 17.97MB
  1135. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/01 - Parameterizing a surface - 02 - Determining a position vector-valued function for a parametrization of two parameters.webm 17.97MB
  1136. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/01 - The world of exponents - 01 - Exponentiation warmup.webm 17.96MB
  1137. Math/23 - Recreational math - 03 - Math warmups/05 - Arithmetic warmups - 01 - Exponentiation warmup.webm 17.96MB
  1138. Science/06 - Health and medicine - 04 - Circulatory system diseases/04 - Aortic dissection and aneurysm - 02 - Thoracic aortic aneurysms.webm 17.96MB
  1139. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/08 - Aortic dissection and aneurysm - 02 - Thoracic aortic aneurysms.webm 17.96MB
  1140. Partner content/02 - Tate - 02 - The art of inspiration/04 - Art and appropriation - 03 - John Myatt on Glenn Brown.webm 17.96MB
  1141. Arts and humanities/14 - Africa, Oceania, and the indigenous Americas - 03 - South America/02 - Ancient Colombian chiefdoms and indigenous Amazonian peoples - 04 - Kayapó Headdress_ a glimpse of life in the Amazon rainforest.webm 17.95MB
  1142. Science/03 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 05 - Changes in free energy and the reaction quotient.webm 17.95MB
  1143. Test prep/02 - MCAT - 05 - Chemical processes/18 - Equilibrium - 03 - Changes in free energy and the reaction quotient.webm 17.95MB
  1144. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/07 - Heart depolarization - 06 - Resetting cardiac concentration gradients.webm 17.95MB
  1145. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/11 - Changing the PV loop - 10 - Contractility, Ea, and preload effects on PV boxes.webm 17.95MB
  1146. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/02 - Blockades and American entry - 01 - Blockades, u-boats and sinking of the Lusitania.webm 17.92MB
  1147. Math/16 - Probability and statistics - 07 - Inferential statistics/05 - Hypothesis testing with one sample - 07 - Large sample proportion hypothesis testing.webm 17.92MB
  1148. Math/22 - Linear algebra - 01 - Vectors and spaces/03 - Linear dependence and independence - 03 - Span and linear independence example.webm 17.92MB
  1149. Math/15 - Trigonometry - 04 - Trig identities and examples/07 - Advanced trig examples - 01 - 2003 AIME II problem 11.webm 17.90MB
  1150. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 17 - 2003 AIME II problem 11.webm 17.90MB
  1151. Partner content/14 - MIT_K12 - 02 - Natural Science/01 - Natural Science - 05 - Rock cycle.webm 17.90MB
  1152. Partner content/18 - NASA - 03 - Exploring the Universe/03 - Curiosity rover_ mission briefing - 04 - ChemCam.webm 17.90MB
  1153. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/05 - Assyrian - 01 - Lamassu from the citadel of Sargon II.webm 17.89MB
  1154. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./01 - Ancient Near East - 04 - Lamassu from the citadel of Sargon II.webm 17.89MB
  1155. Science/01 - Biology - 03 - Heredity and evolution/02 - Heredity and genetics - 01 - Introduction to heredity.webm 17.88MB
  1156. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 11 - Pv-diagrams and expansion work.webm 17.88MB
  1157. Science/03 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 06 - Pv-diagrams and expansion work.webm 17.88MB
  1158. Math/22 - Linear algebra - 02 - Matrix transformations/01 - Functions and linear transformations - 05 - Linear transformations as matrix vector products.webm 17.87MB
  1159. Science/01 - Biology - 03 - Heredity and evolution/01 - Evolution and natural selection - 03 - Intelligent design and evolution.webm 17.87MB
  1160. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 27 - Hess's law and reaction enthalpy change.webm 17.85MB
  1161. Science/03 - Chemistry - 11 - Thermodynamics/02 - Enthalpy - 03 - Hess's law and reaction enthalpy change.webm 17.85MB
  1162. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 12 - Bohr effect vs. Haldane effect.webm 17.84MB
  1163. Test prep/02 - MCAT - 03 - Organ systems/08 - Hematologic system - 03 - Bohr effect vs. Haldane effect.webm 17.84MB
  1164. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 12 - Conserving old master drawings_ a balancing act.webm 17.83MB
  1165. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/11 - Changing the PV loop - 05 - What is contractility_.webm 17.81MB
  1166. Math/22 - Linear algebra - 02 - Matrix transformations/01 - Functions and linear transformations - 04 - Matrix vector products as linear transformations.webm 17.81MB
  1167. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 13 - Conservation of paintings.webm 17.80MB
  1168. Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 06 - Visual telegraphs (case study).webm 17.79MB
  1169. Partner content/14 - MIT_K12 - 01 - Physics/01 - Physics - 03 - Bridge Design and Destruction_ (part 1).webm 17.76MB
  1170. Partner content/19 - Big History Project - 06 - 6. Early Humans/04 - 6.3—How Did the First Humans Live_ - 03 - Genealogy and Human Ancestry.webm 17.75MB
  1171. Math/23 - Recreational math - 01 - Doodling in Math and more/02 - Doodling in math - 04 - Doodling in math_ Sick number games.webm 17.75MB
  1172. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 04 - Millais, Mariana.webm 17.74MB
  1173. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/04 - Other fronts of World War I - 04 - Italian front in World War I.webm 17.73MB
  1174. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 03 - Teaching in a blended learning environment – rethinking the role of the teacher/02 - Case studies_ teaching in a blended learning environment - 04 - Helping teachers make the change.webm 17.73MB
  1175. Math/21 - Differential equations - 03 - Laplace transform/02 - Properties of the Laplace transform - 08 - Dirac delta function.webm 17.72MB
  1176. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 10 - 2003 AIME II problem 6.webm 17.71MB
  1177. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/01 - Early Renaissance in Venice - 03 - Bellini, San Giobbe Altarpiece.webm 17.69MB
  1178. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 29 - Camera wiring update.webm 17.66MB
  1179. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 18 - Digital camera connections II.webm 17.66MB
  1180. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 10 - Language_ Conditionals part 2.webm 17.66MB
  1181. Science/07 - Discoveries and projects - 03 - Robots/03 - Spout Bot without Solder - 06 - Secure and wire the motors.webm 17.64MB
  1182. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 11 - Boiling point elevation and freezing point depression.webm 17.64MB
  1183. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/03 - Flanders - 03 - Rubens, The Presentation of the Portrait of Marie de' Medici.webm 17.63MB
  1184. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./04 - Protestant Reformation and Catholic Counter-Reformation - 04 - Rubens, The Presentation of the Portrait of Marie de' Medici.webm 17.63MB
  1185. Science/06 - Health and medicine - 05 - Advanced respiratory system physiology/01 - Gas exchange - 07 - Oxygen movement from alveoli to capillaries.webm 17.62MB
  1186. Test prep/02 - MCAT - 03 - Organ systems/09 - Respiratory system - 07 - Oxygen movement from alveoli to capillaries.webm 17.62MB
  1187. Test prep/03 - NCLEX-RN - 04 - Respiratory system/01 - Respiratory system - 07 - Oxygen movement from alveoli to capillaries.webm 17.62MB
  1188. Science/07 - Discoveries and projects - 02 - Reverse engineering/03 - DVD player - 01 - What is inside a DVD player_ (1 of 5).webm 17.60MB
  1189. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 07 - Hunt, Our English Coasts ('Strayed Sheep').webm 17.60MB
  1190. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 01 - Feininger, Cathedral for the Bauhaus.webm 17.60MB
  1191. Math/17 - Precalculus - 02 - Matrices/08 - Reduced row echelon form - 01 - Matrices_ Reduced row echelon form 1.webm 17.60MB
  1192. Math/22 - Linear algebra - 01 - Vectors and spaces/06 - Matrices for solving systems by elimination - 01 - Matrices_ Reduced row echelon form 1.webm 17.60MB
  1193. Partner content/05 - The J. Paul Getty Museum - 01 - Antiquities/01 - Antiquities - 04 - The Making of a Roman Silver Cup.webm 17.59MB
  1194. Science/02 - Physics - 01 - One-dimensional motion/03 - Kinematic formulas and projectile motion - 01 - Average velocity for constant acceleration.webm 17.57MB
  1195. Test prep/02 - MCAT - 04 - Physical processes/03 - Acceleration - 05 - Average velocity for constant acceleration.webm 17.57MB
  1196. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 16 - Raphael, Marriage of the Virgin, 1504.webm 17.55MB
  1197. Science/04 - Organic chemistry - 14 - Spectroscopy/01 - Infrared Spectroscopy - 03 - Signal characteristics - wavenumber.webm 17.55MB
  1198. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 03 - Signal characteristics - wavenumber.webm 17.55MB
  1199. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 10 - A Renaissance cabinet rediscovered.webm 17.54MB
  1200. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/03 - Line integrals in vector fields - 06 - Path independence for line integrals.webm 17.51MB
  1201. Science/01 - Biology - 03 - Heredity and evolution/02 - Heredity and genetics - 08 - RNA transcription and translation.webm 17.50MB
  1202. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 07 - Titian, Madonna of the Pesaro Family.webm 17.50MB
  1203. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/08 - Cranach and Altdorfer - 01 - Altdorfer, the Battle of Issus.webm 17.49MB
  1204. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 07 - Quasistatic and reversible processes.webm 17.48MB
  1205. Science/03 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 02 - Quasistatic and reversible processes.webm 17.48MB
  1206. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 23 - FRB commentary 2_ Deposit insurance.webm 17.47MB
  1207. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 06 - Parthenon frieze.webm 17.46MB
  1208. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 10 - Parthenon frieze.webm 17.46MB
  1209. Test prep/02 - MCAT - 01 - Biomolecules/02 - Enzyme structure and function - 04 - Six types of enzymes.webm 17.45MB
  1210. Test prep/02 - MCAT - 05 - Chemical processes/16 - Enzymes - 03 - Six types of enzymes.webm 17.45MB
  1211. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/06 - Albrecht Dürer - 05 - Dürer's Woodcuts and etchings.webm 17.45MB
  1212. Science/06 - Health and medicine - 04 - Circulatory system diseases/01 - Coronary artery disease - 02 - Risk factors for coronary artery disease.webm 17.44MB
  1213. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/01 - Coronary artery disease - 02 - Risk factors for coronary artery disease.webm 17.44MB
  1214. Math/22 - Linear algebra - 02 - Matrix transformations/01 - Functions and linear transformations - 07 - im(T)_ Image of a transformation.webm 17.44MB
  1215. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 19 - Upper motor neurons.webm 17.44MB
  1216. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 08 - Upper motor neurons.webm 17.44MB
  1217. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 08 - Upper motor neurons.webm 17.44MB
  1218. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/05 - Gothic - 06 - Berlinghieri's St. Francis altarpiece.webm 17.43MB
  1219. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 03 - Wave Interference.webm 17.42MB
  1220. Math/16 - Probability and statistics - 07 - Inferential statistics/03 - Confidence intervals - 01 - Confidence interval 1.webm 17.41MB
  1221. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 22 - Prototype board.webm 17.39MB
  1222. Math/22 - Linear algebra - 02 - Matrix transformations/03 - Transformations and matrix multiplication - 03 - Matrix product examples.webm 17.37MB
  1223. Arts and humanities/05 - Ancient art and civilizations - 03 - Aegean art/02 - Mycenaean - 01 - The 'Palace' and Grave Circle A, Mycenae, c. 1600-1100 B.C.E..webm 17.36MB
  1224. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 10 - Dia Al-Azzawi.webm 17.34MB
  1225. Partner content/02 - Tate - 03 - Global modernisms/04 - The Middle East - 02 - Dia Al-Azzawi.webm 17.34MB
  1226. Science/01 - Biology - 01 - Cellular and molecular biology/04 - Photosynthesis - 07 - Photorespiration.webm 17.34MB
  1227. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 03 - Proof of the Cauchy-Schwarz inequality.webm 17.34MB
  1228. Science/01 - Biology - 02 - Human biology/01 - Circulatory and pulmonary systems - 03 - Circulatory system and the heart.webm 17.33MB
  1229. Science/06 - Health and medicine - 02 - Human anatomy and physiology/01 - Circulatory system introduction - 09 - Circulatory system and the heart.webm 17.33MB
  1230. Partner content/01 - The Metropolitan Museum of Art - 03 - Making, finding, and conserving/01 - Making, finding, and conserving - 06 - Conserving the Damascus Room at The Metropolitan Museum of Art.webm 17.32MB
  1231. Math/22 - Linear algebra - 01 - Vectors and spaces/03 - Linear dependence and independence - 02 - More on linear independence.webm 17.31MB
  1232. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 12 - EBITDA.webm 17.30MB
  1233. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 03 - Specific heat, heat of fusion and vaporization.webm 17.29MB
  1234. Math/23 - Recreational math - 01 - Doodling in Math and more/02 - Doodling in math - 01 - Doodling in math_ Infinity elephants.webm 17.28MB
  1235. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 01 - What is the flu_.webm 17.27MB
  1236. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 11 - Language_ Conditionals part 3.webm 17.25MB
  1237. Science/03 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 03 - Types of decay.webm 17.25MB
  1238. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 05 - Types of decay.webm 17.25MB
  1239. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 07 - Antiviral drugs for the flu.webm 17.21MB
  1240. Science/06 - Health and medicine - 02 - Human anatomy and physiology/01 - Circulatory system introduction - 03 - Two circulations in the body.webm 17.20MB
  1241. Test prep/02 - MCAT - 03 - Organ systems/07 - Circulatory system - 04 - Two circulations in the body.webm 17.20MB
  1242. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 11 - Two circulations in the body.webm 17.20MB
  1243. Test prep/03 - NCLEX-RN - 02 - Circulatory system/01 - Circulatory system - 03 - Two circulations in the body.webm 17.20MB
  1244. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/06 - Heart muscle contraction - 06 - Sympathetic nerves affect myosin activity.webm 17.20MB
  1245. Science/03 - Chemistry - 01 - Atoms, molecules, and ions/01 - Introduction to the atom - 01 - Elements and atoms.webm 17.18MB
  1246. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 06 - Sander, Portraits.webm 17.17MB
  1247. Math/22 - Linear algebra - 02 - Matrix transformations/04 - Inverse functions and transformations - 06 - Exploring the solution set of Ax _ b.webm 17.17MB
  1248. Arts and humanities/12 - Arts of the Islamic world - 04 - Late period/01 - Late period - 05 - Coins of faith and power at the British Museum.webm 17.16MB
  1249. Partner content/03 - The British Museum - 03 - Asia/05 - Iran - 01 - Coins of faith and power at the British Museum.webm 17.16MB
  1250. Partner content/14 - MIT_K12 - 03 - Materials/01 - Materials - 03 - Flocculation_ Making Clean Water.webm 17.15MB
  1251. Partner content/04 - The Museum of Modern Art - 04 - Abstract Expressionism/01 - Abstract Expressionism - 01 - AB EX NY_ MoMA and Abstract Expressionism.webm 17.15MB
  1252. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/03 - Limiting reagent stoichiometry - 01 - Stoichiometry_ Limiting reagent.webm 17.14MB
  1253. Test prep/02 - MCAT - 04 - Physical processes/28 - Stoichiometry - 06 - Stoichiometry_ Limiting reagent.webm 17.14MB
  1254. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 12 - Conditional probability and combinations.webm 17.14MB
  1255. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 12 - Conditional probability and combinations.webm 17.14MB
  1256. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 03 - More fiscal cliff analysis.webm 17.11MB
  1257. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 15 - Michelangelo, Laurentian Library.webm 17.11MB
  1258. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 08 - Fetal hemoglobin and hematocrit.webm 17.09MB
  1259. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/03 - Fetal circulation - 06 - Fetal hemoglobin and hematocrit.webm 17.09MB
  1260. Test prep/02 - MCAT - 01 - Biomolecules/02 - Enzyme structure and function - 03 - Induced fit model of enzyme catalysis.webm 17.07MB
  1261. Test prep/02 - MCAT - 05 - Chemical processes/16 - Enzymes - 02 - Induced fit model of enzyme catalysis.webm 17.07MB
  1262. Arts and humanities/07 - Renaissance and Reformation - 05 - Mannerism/01 - Mannerism - 05 - Bronzino, An Allegory with Venus and Cupid.webm 17.07MB
  1263. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/03 - Scale of earth, sun, galaxy and universe - 04 - Scale of the galaxy.webm 17.07MB
  1264. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/03 - Change of basis - 02 - Change of basis matrix.webm 17.05MB
  1265. Math/22 - Linear algebra - 02 - Matrix transformations/01 - Functions and linear transformations - 09 - Preimage and kernel example.webm 17.03MB
  1266. Arts and humanities/02 - Music - 02 - Masterpieces old and new/02 - Antonín Dvořák_ Symphony No. 9 'From the New World' - 05 - Antonín Dvořák_ Symphony No. 9 'From the New World' From the New World,' a commentary by Joseph Horowitz.webm 17.02MB
  1267. Partner content/10 - All-Star Orchestra - 02 - Masterpieces old and new/02 - Antonín Dvořák_ Symphony No. 9 'From the New World' - 05 - Antonín Dvořák_ Symphony No. 9 'From the New World' From the New World,' a commentary by Joseph Horowitz.webm 17.02MB
  1268. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/02 - Orthogonal projections - 01 - Projections onto subspaces.webm 17.00MB
  1269. Partner content/08 - American Museum of Natural History - 02 - The Universe/04 - Universe - 03 - Exploring the dark universe_ Dark energy.webm 16.99MB
  1270. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/10 - Overview of Chinese history 1911-1949 - 01 - Overview of Chinese history 1911 - 1949.webm 16.98MB
  1271. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/02 - Sculpture - 02 - Quarrying and carving marble.webm 16.97MB
  1272. Science/06 - Health and medicine - 04 - Circulatory system diseases/05 - Myocarditis and pericarditis - 03 - Causes of pericarditis.webm 16.96MB
  1273. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 03 - Causes of pericarditis.webm 16.96MB
  1274. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 22 - Efficiency of a Carnot engine.webm 16.95MB
  1275. Math/14 - Algebra II - 08 - Conic sections/05 - Hyperbolas - 04 - Foci of a hyperbola.webm 16.94MB
  1276. Science/01 - Biology - 02 - Human biology/01 - Circulatory and pulmonary systems - 02 - Red blood cells.webm 16.94MB
  1277. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 02 - Red blood cells.webm 16.94MB
  1278. Arts and humanities/08 - Monarchy and enlightenment - 02 - Rococo/01 - Rococo - 05 - The inlay technique of marquetry.webm 16.92MB
  1279. Partner content/05 - The J. Paul Getty Museum - 06 - Decorative arts/01 - Decorative arts - 01 - The inlay technique of marquetry.webm 16.92MB
  1280. Partner content/05 - The J. Paul Getty Museum - 06 - Decorative arts/01 - Decorative arts - 03 - The inlay technique of marquetry.webm 16.92MB
  1281. Arts and humanities/06 - Medieval Europe - 03 - Early Christian/01 - Early Christian - 05 - The Story of Jacob, Vienna Genesis.webm 16.90MB
  1282. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 03 - The Story of Jacob, Vienna Genesis.webm 16.90MB
  1283. Math/22 - Linear algebra - 02 - Matrix transformations/02 - Linear transformation examples - 01 - Linear transformation examples_ Scaling and reflections.webm 16.90MB
  1284. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 11 - Cézanne, Bathers.webm 16.89MB
  1285. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/08 - Siena, the Late Gothic - 02 - Duccio, Maesta (back).webm 16.89MB
  1286. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 10 - Van Eyck, The Arnolfini Portrait.webm 16.89MB
  1287. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 03 - Van Eyck, The Arnolfini Portrait.webm 16.89MB
  1288. Math/22 - Linear algebra - 01 - Vectors and spaces/03 - Linear dependence and independence - 01 - Introduction to linear independence.webm 16.89MB
  1289. Partner content/04 - The Museum of Modern Art - 03 - Behind the scenes at MoMA/01 - Behind the scenes at MoMA - 06 - Conservation - Paik, 'Untitled,' 1993.webm 16.88MB
  1290. Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 07 - Geometric series sum to figure out mortgage payments.webm 16.88MB
  1291. Math/17 - Precalculus - 06 - Sequences, series and induction/04 - Finite geometric series - 05 - Geometric series sum to figure out mortgage payments.webm 16.88MB
  1292. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 14 - Richter scale.webm 16.87MB
  1293. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/09 - Preload and afterload - 02 - What is preload_.webm 16.86MB
  1294. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 11 - What is preload_.webm 16.86MB
  1295. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/11 - Changing the PV loop - 01 - What is preload_.webm 16.86MB
  1296. Partner content/09 - Asian Art Museum - 10 - Islam/01 - Islam - 02 - Hajj Stories_ Preparations for the Hajj.webm 16.86MB
  1297. Arts and humanities/10 - Age of global conflict - 01 - A beginner's guide to 20th century art/01 - A beginner's guide to 20th century art - 01 - Representation and abstraction_ Millais's Ophelia and Newman's Vir Heroicus Sublimis.webm 16.86MB
  1298. Arts and humanities/13 - South and East Asia - 04 - Korea and Japan/02 - Japanese art - 02 - Conserving the Gan Ku Tiger scroll painting at the British Museum.webm 16.85MB
  1299. Partner content/03 - The British Museum - 03 - Asia/02 - Japan - 01 - Conserving the Gan Ku Tiger scroll painting at the British Museum.webm 16.85MB
  1300. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/04 - Early empire - 07 - Column of Trajan (Forum of Trajan).webm 16.84MB
  1301. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./05 - Ancient Rome - 08 - Column of Trajan (Forum of Trajan).webm 16.84MB
  1302. Science/01 - Biology - 02 - Human biology/04 - Muscles - 04 - Anatomy of a skeletal muscle fiber.webm 16.84MB
  1303. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/09 - Preload and afterload - 04 - Preload stretches out the heart cells.webm 16.82MB
  1304. Science/01 - Biology - 03 - Heredity and evolution/01 - Evolution and natural selection - 05 - Natural selection and the owl butterfly.webm 16.82MB
  1305. Science/06 - Health and medicine - 15 - Health care system/01 - Health care system - 03 - Health care costs in US vs Europe.webm 16.80MB
  1306. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/02 - Blood pressure control - 03 - General overview of the RAAS system_ Cells and hormones.webm 16.80MB
  1307. Test prep/02 - MCAT - 03 - Organ systems/13 - Renal regulation of blood pressure - 01 - General overview of the RAAS system_ Cells and hormones.webm 16.80MB
  1308. Test prep/03 - NCLEX-RN - 10 - Renal system/02 - Renal regulation of blood pressure - 01 - General overview of the RAAS system_ Cells and hormones.webm 16.80MB
  1309. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/01 - A beginner's guide to Renaissance Florence - 04 - Orsanmichele.webm 16.79MB
  1310. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/07 - Heart depolarization - 09 - A race to keep pace_.webm 16.79MB
  1311. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 07 - Manet, Olympia.webm 16.77MB
  1312. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./02 - Modernism - 01 - Manet, Olympia.webm 16.77MB
  1313. Science/06 - Health and medicine - 05 - Advanced respiratory system physiology/01 - Gas exchange - 06 - Fick's law of diffusion.webm 16.77MB
  1314. Test prep/02 - MCAT - 03 - Organ systems/09 - Respiratory system - 06 - Fick's law of diffusion.webm 16.77MB
  1315. Test prep/03 - NCLEX-RN - 04 - Respiratory system/01 - Respiratory system - 06 - Fick's law of diffusion.webm 16.77MB
  1316. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 08 - Titration of a weak acid with a strong base (continued).webm 16.77MB
  1317. Test prep/02 - MCAT - 05 - Chemical processes/02 - Titrations - 06 - Titration of a weak acid with a strong base (continued).webm 16.77MB
  1318. Math/22 - Linear algebra - 02 - Matrix transformations/03 - Transformations and matrix multiplication - 02 - Compositions of linear transformations 2.webm 16.76MB
  1319. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/03 - Trig functions of special angles - 01 - Solving triangle in unit circle.webm 16.76MB
  1320. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 07 - Ethics_ Moral status.webm 16.75MB
  1321. Partner content/07 - Exploratorium - 02 - Chemistry/02 - Penny Battery - 02 - Build your own penny battery_ Materials and steps.webm 16.74MB
  1322. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/05 - What drives oil prices - 02 - Short-run oil prices.webm 16.73MB
  1323. Science/03 - Chemistry - 13 - Kinetics/01 - Reaction rates and rate laws - 01 - Introduction to kinetics.webm 16.73MB
  1324. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 23 - Carnot efficiency 2_ Reversing the cycle.webm 16.72MB
  1325. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/01 - Bond-line structures - 01 - Bond-line structures.webm 16.72MB
  1326. Math/23 - Recreational math - 01 - Doodling in Math and more/03 - Hexaflexagons - 04 - Flex Mex.webm 16.70MB
  1327. Partner content/14 - MIT_K12 - 01 - Physics/01 - Physics - 04 - Bridge Design (and Destruction_) Part 2.webm 16.69MB
  1328. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 06 - DLab_ Bridge building project.webm 16.69MB
  1329. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 10 - Spider's wheels.webm 16.68MB
  1330. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/10 - England - 01 - The Harrowing of Hell.webm 16.67MB
  1331. Partner content/18 - NASA - 03 - Exploring the Universe/03 - Curiosity rover_ mission briefing - 03 - Rover vision.webm 16.67MB
  1332. Math/22 - Linear algebra - 02 - Matrix transformations/02 - Linear transformation examples - 06 - Expressing a projection on to a line as a matrix vector prod.webm 16.67MB
  1333. Science/01 - Biology - 01 - Cellular and molecular biology/04 - Photosynthesis - 08 - C-4 photosynthesis.webm 16.66MB
  1334. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/01 - Rates - 03 - Finding average speed or rate.webm 16.66MB
  1335. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/02 - Rates - 01 - Finding average speed or rate.webm 16.66MB
  1336. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 13 - Motor controller functions.webm 16.65MB
  1337. Math/14 - Algebra II - 08 - Conic sections/05 - Hyperbolas - 05 - Proof_ Hyperbola foci.webm 16.62MB
  1338. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/07 - Florence, the Late Gothic - 07 - Giotto, Arena (Scrovegni) Chapel (part 3).webm 16.62MB
  1339. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 15 - Giotto, Arena (Scrovegni) Chapel (part 3).webm 16.62MB
  1340. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 03 - Ethics_ Problem of evil part 2.webm 16.60MB
  1341. Science/03 - Chemistry - 03 - Electronic structure of atoms/03 - Electron configurations - 08 - Electron configurations for the third and fourth periods.webm 16.59MB
  1342. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 13 - Electron configurations for the third and fourth periods.webm 16.59MB
  1343. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/04 - Orthonormal bases and the Gram-Schmidt process - 03 - Projections onto subspaces with orthonormal bases.webm 16.59MB
  1344. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/07 - Antwerp and Bruges - 05 - Bruegel, Hunters in the Snow (Winter).webm 16.57MB
  1345. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./04 - Protestant Reformation and Catholic Counter-Reformation - 02 - Bruegel, Hunters in the Snow (Winter).webm 16.57MB
  1346. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/05 - Middle empire - 04 - Maritime Theatre at Hadrian's Villa, Tivoli.webm 16.56MB
  1347. Math/14 - Algebra II - 02 - Functions and their graphs/12 - More mathy functions - 01 - A more formal understanding of functions.webm 16.55MB
  1348. Math/22 - Linear algebra - 02 - Matrix transformations/01 - Functions and linear transformations - 01 - A more formal understanding of functions.webm 16.55MB
  1349. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 16 - Ben Eater's Spider.webm 16.55MB
  1350. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 12 - Flu vaccine risks and benefits.webm 16.55MB
  1351. Math/08 - Arithmetic - 02 - Multiplication and division/02 - Basic multiplication - 03 - Multiplication 2_ The multiplication tables.webm 16.55MB
  1352. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 11 - Conservation of works on paper.webm 16.54MB
  1353. Test prep/02 - MCAT - 04 - Physical processes/22 - Thin lenses - 07 - Multiple lens systems.webm 16.52MB
  1354. Science/03 - Chemistry - 03 - Electronic structure of atoms/03 - Electron configurations - 01 - Orbitals.webm 16.50MB
  1355. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/10 - Sal's old Maclaurin and Taylor series tutorial - 08 - Taylor polynomials.webm 16.47MB
  1356. Arts and humanities/01 - History - 05 - Surveys of history/01 - United States history overview - 05 - When Capitalism is great and not-so-great.webm 16.47MB
  1357. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 09 - Bitcoin_ The security of transaction block chains.webm 16.46MB
  1358. Math/16 - Probability and statistics - 07 - Inferential statistics/02 - Sampling distribution - 05 - Sampling distribution example problem.webm 16.44MB
  1359. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 25 - Enthalpy.webm 16.43MB
  1360. Science/03 - Chemistry - 11 - Thermodynamics/02 - Enthalpy - 01 - Enthalpy.webm 16.43MB
  1361. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/02 - New York School - 02 - Robert Rauschenberg, Bed.webm 16.42MB
  1362. Partner content/09 - Asian Art Museum - 08 - Hinduism/01 - Hinduism - 05 - Varanasi_ sacred city.webm 16.38MB
  1363. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/09 - Taylor series approximations - 08 - Proof_ Bounding the error or remainder of a taylor polynomial approximation.webm 16.37MB
  1364. Math/18 - Differential calculus - 01 - Limits/07 - Squeeze theorem - 04 - Proof_ lim (sin x)_x.webm 16.36MB
  1365. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/01 - Art and the French state - 02 - Couture, Romans of the Decadence.webm 16.35MB
  1366. Arts and humanities/05 - Ancient art and civilizations - 09 - Asia/02 - A beginner's guide to Buddhist art and culture - 03 - Zen Buddhism.webm 16.35MB
  1367. Partner content/09 - Asian Art Museum - 09 - Buddhism/01 - Buddhism - 05 - Zen Buddhism.webm 16.35MB
  1368. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/04 - Other fronts of World War I - 01 - Serbian and Macedonian fronts.webm 16.35MB
  1369. Math/08 - Arithmetic - 02 - Multiplication and division/03 - One-digit division - 01 - Division 1.webm 16.34MB
  1370. Science/01 - Biology - 03 - Heredity and evolution/02 - Heredity and genetics - 07 - DNA.webm 16.33MB
  1371. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/03 - Western and Eastern fronts of World War I - 05 - Closing stages of World War I.webm 16.31MB
  1372. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 09 - Suspensions, colloids and solutions.webm 16.31MB
  1373. Science/06 - Health and medicine - 14 - Lab values and concentrations/01 - Lab values and concentrations - 03 - Units for common medical lab values.webm 16.30MB
  1374. Partner content/09 - Asian Art Museum - 01 - Introduction/01 - Introduction - 01 - Teahouse at the Asian Art Museum.webm 16.30MB
  1375. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 17 - Childhood growth.webm 16.30MB
  1376. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/02 - Orthogonal projections - 03 - A projection onto a subspace is a linear transformation.webm 16.29MB
  1377. Test prep/02 - MCAT - 04 - Physical processes/12 - Kinetic molecular theory of gases - 03 - Kinetic molecular theory of gases.webm 16.28MB
  1378. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/01 - Scale of the small and large - 01 - Scale of the large.webm 16.26MB
  1379. Partner content/19 - Big History Project - 10 - 10. The Future/03 - 10.2—Looking Forward - 02 - Bill Gates_ Visions of the Future.webm 16.26MB
  1380. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 28 - Chassis modifications.webm 16.26MB
  1381. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 09 - Pre-Raphaelites_ Curator's choice - Ford Madox Brown's 'Work'.webm 16.26MB
  1382. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/03 - Daedalic and Archaic - 02 - New York Kouros.webm 16.25MB
  1383. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/02 - Orthogonal projections - 07 - Least squares approximation.webm 16.23MB
  1384. Math/05 - 6th grade (U.S.) - 06 - Geometry/03 - Volume and surface area - 03 - Volume of a rectangular prism_ word problem.webm 16.23MB
  1385. Math/12 - Basic geometry - 06 - Volume and surface area/01 - Volume of prisms - 03 - Volume of a rectangular prism_ word problem.webm 16.23MB
  1386. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 05 - East Pediment sculptures, Parthenon, including Helios, Horses and Dionysus (Heracles_).webm 16.23MB
  1387. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 09 - East Pediment sculptures, Parthenon, including Helios, Horses and Dionysus (Heracles_).webm 16.23MB
  1388. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/05 - Middle empire - 09 - Ludovisi Battle Sarcophagus.webm 16.22MB
  1389. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./05 - Ancient Rome - 10 - Ludovisi Battle Sarcophagus.webm 16.22MB
  1390. Science/01 - Biology - 02 - Human biology/05 - Immunology - 01 - Role of phagocytes in innate or nonspecific immunity.webm 16.21MB
  1391. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 01 - Role of phagocytes in innate or nonspecific immunity.webm 16.21MB
  1392. Test prep/02 - MCAT - 03 - Organ systems/11 - Immune system - 01 - Role of phagocytes in innate or nonspecific immunity.webm 16.21MB
  1393. Test prep/03 - NCLEX-RN - 09 - Immune system/01 - Immune system - 01 - Role of phagocytes in innate or nonspecific immunity.webm 16.21MB
  1394. Arts and humanities/08 - Monarchy and enlightenment - 02 - Rococo/01 - Rococo - 07 - Fragonard, The Meeting.webm 16.20MB
  1395. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 17 - Thermodynamic entropy definition clarification.webm 16.17MB
  1396. Science/03 - Chemistry - 11 - Thermodynamics/03 - Entropy - 05 - Thermodynamic entropy definition clarification.webm 16.17MB
  1397. Arts and humanities/06 - Medieval Europe - 04 - Byzantine (late Roman Empire)/03 - Venice and Ravenna - 02 - Sant'Apollinare in Classe, Ravenna.webm 16.15MB
  1398. Science/01 - Biology - 02 - Human biology/01 - Circulatory and pulmonary systems - 04 - Hemoglobin.webm 16.15MB
  1399. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 06 - Hemoglobin.webm 16.15MB
  1400. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 14 - Epistemology_ The will to believe.webm 16.13MB
  1401. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 08 - Donatello, Saint Mark.webm 16.10MB
  1402. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/03 - Line integrals in vector fields - 04 - Scalar field line integral independent of path direction.webm 16.10MB
  1403. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/02 - Formation of carboxylic acid derivatives - 01 - Fisher esterification.webm 16.09MB
  1404. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 11 - Preventing TB transmission.webm 16.09MB
  1405. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 11 - Preventing TB transmission.webm 16.09MB
  1406. Arts and humanities/08 - Monarchy and enlightenment - 03 - Neo-Classicism/01 - Neo-Classicism - 03 - Jacques-Louis David, The Death of Marat.webm 16.09MB
  1407. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 03 - Pressure in the left heart - part 3.webm 16.08MB
  1408. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 06 - Judith Leyster, Self-Portrait.webm 16.07MB
  1409. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 09 - Titration of a weak base with a strong acid.webm 16.04MB
  1410. Test prep/02 - MCAT - 05 - Chemical processes/02 - Titrations - 07 - Titration of a weak base with a strong acid.webm 16.04MB
  1411. Arts and humanities/05 - Ancient art and civilizations - 09 - Asia/04 - Afghanistan - 01 - Hidden treasures revealed.webm 16.03MB
  1412. Partner content/03 - The British Museum - 03 - Asia/04 - Afghanistan - 02 - Hidden treasures revealed.webm 16.03MB
  1413. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/08 - Polynomial basics - 02 - Interesting polynomial coefficient problem.webm 16.03MB
  1414. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/03 - Fetal circulation - 02 - Umbilical vessels and the ductus venosus.webm 16.02MB
  1415. Arts and humanities/14 - Africa, Oceania, and the indigenous Americas - 03 - South America/02 - Ancient Colombian chiefdoms and indigenous Amazonian peoples - 01 - By hammer and fire_ Goldmaking techniques of the ancient Colombians.webm 16.01MB
  1416. Partner content/03 - The British Museum - 02 - The Americas/01 - South America - 03 - By hammer and fire_ Goldmaking techniques of the ancient Colombians.webm 16.01MB
  1417. Science/02 - Physics - 07 - Gravitation/01 - Newton's law of gravitation - 05 - Acceleration due to gravity at the space station.webm 16.01MB
  1418. Science/06 - Health and medicine - 14 - Lab values and concentrations/01 - Lab values and concentrations - 01 - Introduction to lab values and normal ranges.webm 15.99MB
  1419. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 07 - Cross product introduction.webm 15.98MB
  1420. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/03 - Line integrals in vector fields - 01 - Line integrals and vector fields.webm 15.97MB
  1421. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 02 - Pressure in the left heart - part 2.webm 15.97MB
  1422. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 22 - Raphael, Galatea.webm 15.96MB
  1423. Math/15 - Trigonometry - 03 - Graphs of trig functions/03 - Long live tau - 01 - Tau versus pi.webm 15.95MB
  1424. Arts and humanities/02 - Music - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 04 - Lesson 4_ Meters in 6, 9, and 12.webm 15.94MB
  1425. Partner content/10 - All-Star Orchestra - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 04 - Lesson 4_ Meters in 6, 9, and 12.webm 15.94MB
  1426. Partner content/02 - Tate - 03 - Global modernisms/03 - Asia - 02 - The Real Thing_ Contemporary art from China.webm 15.92MB
  1427. Science/07 - Discoveries and projects - 02 - Reverse engineering/03 - DVD player - 02 - What is inside a DVD player_ (2 of 5).webm 15.91MB
  1428. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 10 - Reimagine the pressure volume relationship.webm 15.90MB
  1429. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/11 - Changing the PV loop - 04 - Reimagine the pressure volume relationship.webm 15.90MB
  1430. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 01 - Introduction to blended learning/01 - An overview of blended learning - 02 - The Definition of Blended Learning.webm 15.89MB
  1431. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/04 - Dinosaur fossils - 06 - Inside the Collections_ Paleontology and the Big Bone Room.webm 15.89MB
  1432. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 04 - Spider's click n' stick.webm 15.88MB
  1433. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/08 - Cranach and Altdorfer - 02 - Cranach, Adam and Eve.webm 15.87MB
  1434. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/07 - Florence, the Late Gothic - 10 - Andrea Pisano's reliefs on the Campanile in Florence.webm 15.86MB
  1435. Test prep/02 - MCAT - 04 - Physical processes/15 - Capacitors - 01 - Capacitors and capacitance.webm 15.86MB
  1436. Arts and humanities/13 - South and East Asia - 04 - Korea and Japan/01 - Korean art - 02 - Confucian scholar's house.webm 15.85MB
  1437. Partner content/09 - Asian Art Museum - 06 - Korea/01 - Korea - 02 - Confucian scholar's house.webm 15.85MB
  1438. Science/06 - Health and medicine - 05 - Advanced respiratory system physiology/02 - Breathing control - 01 - Peripheral chemoreceptors.webm 15.85MB
  1439. Math/14 - Algebra II - 08 - Conic sections/04 - Parabolas - 02 - Parabola focus and directrix 1.webm 15.85MB
  1440. Science/03 - Chemistry - 08 - Chemical equilibrium/01 - Equilibrium constant - 01 - Reactions in equilibrium.webm 15.85MB
  1441. Test prep/02 - MCAT - 05 - Chemical processes/18 - Equilibrium - 01 - Reactions in equilibrium.webm 15.85MB
  1442. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/01 - Production possibilities frontier - 04 - Allocative efficiency and marginal benefit.webm 15.83MB
  1443. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/03 - Cubism and its impact - 08 - Picasso, Guernica.webm 15.83MB
  1444. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 12 - Subcortical cerebrum.webm 15.82MB
  1445. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 12 - Subcortical cerebrum.webm 15.82MB
  1446. Science/01 - Biology - 02 - Human biology/03 - The kidney and nephron - 02 - Secondary active transport in the nephron.webm 15.82MB
  1447. Science/06 - Health and medicine - 02 - Human anatomy and physiology/04 - Urinary system introduction - 08 - Secondary active transport in the nephron.webm 15.82MB
  1448. Test prep/02 - MCAT - 02 - Cells/03 - Transport across a cell membrane - 06 - Secondary active transport in the nephron.webm 15.82MB
  1449. Test prep/02 - MCAT - 03 - Organ systems/12 - Renal system - 08 - Secondary active transport in the nephron.webm 15.82MB
  1450. Test prep/03 - NCLEX-RN - 10 - Renal system/01 - Introduction to the renal system - 08 - Secondary active transport in the nephron.webm 15.82MB
  1451. Arts and humanities/12 - Arts of the Islamic world - 03 - Medieval period/01 - Medieval period - 02 - Coronation mantle.webm 15.81MB
  1452. Science/01 - Biology - 03 - Heredity and evolution/03 - Tree of life - 08 - Human prehistory 101 part 3_ Agriculture rocks our world.webm 15.80MB
  1453. Partner content/19 - Big History Project - 08 - 8. Expansion and Interconnection/03 - 8.2—Commerce and Collective Learning - 01 - Systems of Exchange and Trade.webm 15.79MB
  1454. Science/06 - Health and medicine - 04 - Circulatory system diseases/05 - Myocarditis and pericarditis - 05 - Diagnosis of myocarditis and pericarditis (part 2).webm 15.78MB
  1455. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 05 - Diagnosis of myocarditis and pericarditis (part 2).webm 15.78MB
  1456. Science/01 - Biology - 03 - Heredity and evolution/02 - Heredity and genetics - 06 - Sex-linked traits.webm 15.78MB
  1457. Test prep/02 - MCAT - 01 - Biomolecules/08 - Chromosomal inheritance - 03 - Sex-linked traits.webm 15.78MB
  1458. Science/06 - Health and medicine - 04 - Circulatory system diseases/08 - Heart valve diseases - 05 - Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 2.webm 15.77MB
  1459. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/09 - Heart valve diseases - 05 - Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 2.webm 15.77MB
  1460. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/07 - Florence, the Late Gothic - 05 - Giotto, Arena (Scrovegni) Chapel (part 1).webm 15.77MB
  1461. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 13 - Giotto, Arena (Scrovegni) Chapel (part 1).webm 15.77MB
  1462. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 12 - Political_ Original position.webm 15.76MB
  1463. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/01 - Photography before 1970 - 07 - Ansel Adams_ Technique and Working Methods.webm 15.76MB
  1464. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/03 - Line integrals in vector fields - 05 - Vector field line integrals dependent on path direction.webm 15.76MB
  1465. Science/06 - Health and medicine - 04 - Circulatory system diseases/08 - Heart valve diseases - 07 - Mitral valve regurgitation and mitral valve prolapse.webm 15.76MB
  1466. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/09 - Heart valve diseases - 07 - Mitral valve regurgitation and mitral valve prolapse.webm 15.76MB
  1467. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/08 - Maclaurin series and Euler's identity - 01 - Maclaurin and Taylor series intuition.webm 15.75MB
  1468. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/07 - Heart depolarization - 05 - Action potentials in cardiac myocytes.webm 15.74MB
  1469. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/05 - Eigen-everything - 06 - Eigenvectors and eigenspaces for a 3x3 matrix.webm 15.73MB
  1470. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/03 - Flanders - 06 - Anthony van Dyck, Charles I at the Hunt, c. 1635.webm 15.72MB
  1471. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 10 - Titration of a weak base with a strong acid (continued).webm 15.71MB
  1472. Test prep/02 - MCAT - 05 - Chemical processes/02 - Titrations - 08 - Titration of a weak base with a strong acid (continued).webm 15.71MB
  1473. Science/01 - Biology - 02 - Human biology/05 - Immunology - 08 - Inflammatory response.webm 15.71MB
  1474. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 11 - Inflammatory response.webm 15.71MB
  1475. Science/03 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 02 - Nuclear stability and nuclear equations.webm 15.71MB
  1476. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 04 - Nuclear stability and nuclear equations.webm 15.71MB
  1477. Arts and humanities/14 - Africa, Oceania, and the indigenous Americas - 01 - Africa/03 - Ife - 01 - Ife uncovered.webm 15.70MB
  1478. Partner content/03 - The British Museum - 01 - Africa/04 - Ife - 02 - Ife uncovered.webm 15.70MB
  1479. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 11 - Coagulation cascade.webm 15.67MB
  1480. Test prep/02 - MCAT - 03 - Organ systems/08 - Hematologic system - 06 - Coagulation cascade.webm 15.67MB
  1481. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 05 - Vito Acconci.webm 15.67MB
  1482. Partner content/02 - Tate - 04 - Performance and participation/01 - Performance art - 04 - Vito Acconci.webm 15.67MB
  1483. Partner content/19 - Big History Project - 08 - 8. Expansion and Interconnection/05 - Other Materials - 01 - Re-Creating Pangaea.webm 15.66MB
  1484. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/02 - Blood pressure control - 07 - Aldosterone raises blood pressure and lowers potassium.webm 15.66MB
  1485. Test prep/02 - MCAT - 03 - Organ systems/13 - Renal regulation of blood pressure - 05 - Aldosterone raises blood pressure and lowers potassium.webm 15.66MB
  1486. Test prep/03 - NCLEX-RN - 10 - Renal system/02 - Renal regulation of blood pressure - 05 - Aldosterone raises blood pressure and lowers potassium.webm 15.66MB
  1487. Math/22 - Linear algebra - 02 - Matrix transformations/06 - More determinant depth - 03 - Determinant when row is added.webm 15.65MB
  1488. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 02 - Metaphysics_ A problem of free will.webm 15.65MB
  1489. Partner content/02 - Tate - 02 - The art of inspiration/03 - Literature meets art - 01 - Literature meets art_ Maurice Sendak inspired by William Blake.webm 15.63MB
  1490. Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 05 - A mathematical theory of communication.webm 15.60MB
  1491. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 16 - Religion_ Cosmological argument part 2.webm 15.60MB
  1492. Test prep/02 - MCAT - 05 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 10 - Disaccharides and polysaccharides.webm 15.58MB
  1493. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 04 - Launching and landing on different elevations.webm 15.57MB
  1494. Partner content/05 - The J. Paul Getty Museum - 02 - A brief history of glassmaking/01 - A brief history of glassmaking - 06 - Glassmaking technique_ gold glass.webm 15.57MB
  1495. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/02 - Nucleophilicity and basicity - 01 - Nucleophilicity (nucleophile strength).webm 15.56MB
  1496. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 06 - American-Chinese debt loop.webm 15.56MB
  1497. Arts and humanities/11 - Toward a global culture - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 05 - East-West Divan at the Venice Biennale.webm 15.55MB
  1498. Partner content/02 - Tate - 03 - Global modernisms/04 - The Middle East - 04 - East-West Divan at the Venice Biennale.webm 15.55MB
  1499. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 04 - Gian Lorenzo Bernini, Baldacchino.webm 15.55MB
  1500. Science/02 - Physics - 02 - Two-dimensional motion/03 - Centripetal acceleration - 05 - Calculus proof of centripetal acceleration formula.webm 15.54MB
  1501. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/02 - Sculpture - 03 - Carving marble with traditional tools.webm 15.52MB
  1502. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 11 - Carving marble with traditional tools.webm 15.52MB
  1503. Partner content/05 - The J. Paul Getty Museum - 07 - Sculpture/01 - Sculpture - 03 - Carving marble with traditional tools.webm 15.52MB
  1504. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/04 - Early empire - 08 - Markets of Trajan.webm 15.52MB
  1505. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./05 - Ancient Rome - 07 - Markets of Trajan.webm 15.52MB
  1506. Science/06 - Health and medicine - 02 - Human anatomy and physiology/01 - Circulatory system introduction - 05 - Layers of the heart.webm 15.52MB
  1507. Test prep/02 - MCAT - 03 - Organ systems/07 - Circulatory system - 02 - Layers of the heart.webm 15.52MB
  1508. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/04 - Inverse trig functions - 02 - Inverse trig functions_ arccos.webm 15.51MB
  1509. Arts and humanities/10 - Age of global conflict - 05 - Figuration and abstraction in post-war Britain/01 - Figuration and abstraction in post-war Britain - 01 - Room_ Henry Moore.webm 15.50MB
  1510. Partner content/02 - Tate - 01 - Meet 500 years of British art/05 - Mid-century to today_ Modernism and its legacy - 02 - Room_ Henry Moore.webm 15.50MB
  1511. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 10 - P_E conundrum.webm 15.50MB
  1512. Science/01 - Biology - 01 - Cellular and molecular biology/04 - Photosynthesis - 06 - Photosynthesis_ Calvin cycle.webm 15.48MB
  1513. Test prep/02 - MCAT - 08 - Individuals and society/01 - Self-identity - 04 - Freud's psychosexual development.webm 15.46MB
  1514. Test prep/02 - MCAT - 01 - Biomolecules/03 - Enzyme kinetics - 05 - Allosteric regulation and feedback loops.webm 15.45MB
  1515. Test prep/02 - MCAT - 05 - Chemical processes/16 - Enzymes - 05 - Allosteric regulation and feedback loops.webm 15.45MB
  1516. Science/06 - Health and medicine - 02 - Human anatomy and physiology/02 - Respiratory system introduction - 04 - Inhaling and exhaling.webm 15.43MB
  1517. Test prep/02 - MCAT - 03 - Organ systems/09 - Respiratory system - 02 - Inhaling and exhaling.webm 15.43MB
  1518. Test prep/03 - NCLEX-RN - 04 - Respiratory system/01 - Respiratory system - 02 - Inhaling and exhaling.webm 15.43MB
  1519. Test prep/02 - MCAT - 01 - Biomolecules/15 - Fat and protein metabolism - 05 - Fatty Acid Synthesis - Part II.webm 15.42MB
  1520. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/04 - Orthonormal bases and the Gram-Schmidt process - 02 - Coordinates with respect to orthonormal bases.webm 15.42MB
  1521. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/06 - Aftermath of World War I - 03 - Paris Peace Conference and Treaty of Versailles.webm 15.41MB
  1522. Arts and humanities/11 - Toward a global culture - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 01 - Shirazeh Houshiary.webm 15.41MB
  1523. Partner content/02 - Tate - 03 - Global modernisms/04 - The Middle East - 03 - Shirazeh Houshiary.webm 15.41MB
  1524. Economics and finance/03 - Finance and capital markets - 02 - Housing/02 - Renting vs. buying a home - 04 - Renting vs. buying (detailed analysis).webm 15.40MB
  1525. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 03 - Oil paint.webm 15.40MB
  1526. Science/03 - Chemistry - 08 - Chemical equilibrium/02 - Factors that affect chemical equilibrium - 01 - Le Chatelier's principle.webm 15.40MB
  1527. Test prep/02 - MCAT - 01 - Biomolecules/10 - Principles of bioenergetics - 05 - Le Chatelier's principle.webm 15.40MB
  1528. Test prep/02 - MCAT - 05 - Chemical processes/18 - Equilibrium - 02 - Le Chatelier's principle.webm 15.40MB
  1529. Arts and humanities/10 - Age of global conflict - 08 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 03 - Robert Morris_ Bodyspacemotionthings at Tate Modern.webm 15.40MB
  1530. Partner content/02 - Tate - 04 - Performance and participation/03 - Participation - 05 - Robert Morris_ Bodyspacemotionthings at Tate Modern.webm 15.40MB
  1531. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 10 - Battery wires.webm 15.38MB
  1532. Math/14 - Algebra II - 08 - Conic sections/03 - Ellipses - 01 - Conic sections_ Intro to ellipses.webm 15.38MB
  1533. Partner content/18 - NASA - 02 - Measuring the Universe/03 - Orbital mechanics 1 - 01 - Conic sections_ Intro to ellipses.webm 15.38MB
  1534. Math/18 - Differential calculus - 02 - Taking derivatives/03 - Introduction to derivatives - 01 - Derivative as slope of a tangent line.webm 15.37MB
  1535. Arts and humanities/13 - South and East Asia - 04 - Korea and Japan/01 - Korean art - 04 - Korean Buddhist art.webm 15.36MB
  1536. Partner content/09 - Asian Art Museum - 09 - Buddhism/01 - Buddhism - 04 - Korean Buddhist art.webm 15.36MB
  1537. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/06 - Life of Benjamin Franklin - 03 - Benjamin Franklin and Poor Richard's Almanac.webm 15.36MB
  1538. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/02 - Benjamin Franklin - 03 - Benjamin Franklin and Poor Richard's Almanac.webm 15.36MB
  1539. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 04 - Spermatogenesis.webm 15.35MB
  1540. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/04 - Early empire - 03 - The art of gem carving.webm 15.35MB
  1541. Partner content/05 - The J. Paul Getty Museum - 01 - Antiquities/01 - Antiquities - 01 - The art of gem carving.webm 15.35MB
  1542. Partner content/14 - MIT_K12 - 04 - Measurement/01 - Measurement - 04 - 2D Equilibrium -- Balancing Games.webm 15.34MB
  1543. Math/22 - Linear algebra - 02 - Matrix transformations/01 - Functions and linear transformations - 10 - Sums and scalar multiples of linear transformations.webm 15.34MB
  1544. Arts and humanities/05 - Ancient art and civilizations - 03 - Aegean art/02 - Mycenaean - 04 - The Treasury of Atreus, c. 1300-1250 B.C.E., Mycenae, Greece.webm 15.33MB
  1545. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 19 - Bacterial meningitis.webm 15.33MB
  1546. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 07 - Titration of a weak acid with a strong base.webm 15.33MB
  1547. Test prep/02 - MCAT - 05 - Chemical processes/02 - Titrations - 05 - Titration of a weak acid with a strong base.webm 15.33MB
  1548. Math/11 - Algebra I - 07 - Quadratic equations/04 - The quadratic formula (quadratic equation) - 01 - How to use the quadratic formula.webm 15.31MB
  1549. Math/14 - Algebra II - 03 - Polynomial and rational functions/02 - Completing the square and the quadratic formula - 03 - How to use the quadratic formula.webm 15.31MB
  1550. Math/17 - Precalculus - 03 - Parametric equations and polar coordinates/01 - Parametric equations - 04 - Parametric equations 4.webm 15.31MB
  1551. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 01 - Courbet, Burial at Ornans.webm 15.30MB
  1552. Test prep/02 - MCAT - 01 - Biomolecules/15 - Fat and protein metabolism - 01 - Introduction to energy storage.webm 15.30MB
  1553. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/07 - Heart depolarization - 03 - Permeability and membrane potentials.webm 15.29MB
  1554. Test prep/02 - MCAT - 02 - Cells/03 - Transport across a cell membrane - 10 - Permeability and membrane potentials.webm 15.29MB
  1555. Arts and humanities/08 - Monarchy and enlightenment - 02 - Rococo/01 - Rococo - 06 - Fragonard, The Swing.webm 15.29MB
  1556. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./01 - Enlightenment and revolution - 01 - Fragonard, The Swing.webm 15.29MB
  1557. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 12 - Showing that the candidate basis does span C(A).webm 15.28MB
  1558. Math/14 - Algebra II - 08 - Conic sections/05 - Hyperbolas - 01 - Conic sections_ Intro to hyperbolas.webm 15.28MB
  1559. Math/16 - Probability and statistics - 07 - Inferential statistics/02 - Sampling distribution - 04 - Standard error of the mean.webm 15.28MB
  1560. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 07 - 2011 Calculus AB free response #4b.webm 15.27MB
  1561. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 08 - Language_ Conventional implicature.webm 15.27MB
  1562. Test prep/02 - MCAT - 02 - Cells/08 - Embryology - 02 - Early embryogenesis - Cleavage, blastulation, gastrulation, and neurulation.webm 15.27MB
  1563. Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 03 - Cupcake economics 3.webm 15.26MB
  1564. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 04 - Brunelleschi, Dome of the Cathedral of Florence..webm 15.26MB
  1565. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 09 - Wise and Foolish Virgins, Sant Quirze de Pedret.webm 15.26MB
  1566. Science/03 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 04 - pKa and pKb relationship.webm 15.25MB
  1567. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 19 - 2003 AIME II problem 13.webm 15.25MB
  1568. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 04 - Anatomy of a muscle cell.webm 15.24MB
  1569. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 04 - Anatomy of a muscle cell.webm 15.24MB
  1570. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 04 - Anatomy of a muscle cell.webm 15.24MB
  1571. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 02 - Understanding calendar notation.webm 15.24MB
  1572. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/05 - World War I shapes the Middle East - 02 - Sinai, Palestine and Mesopotamia campaigns.webm 15.23MB
  1573. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 09 - More on Single Slit Interference.webm 15.23MB
  1574. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/05 - Middle empire - 07 - Empire_ Medea Sarcophagus.webm 15.23MB
  1575. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/05 - World War I shapes the Middle East - 04 - Arabia after World War I.webm 15.22MB
  1576. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/06 - Aftermath of World War I - 05 - Arabia after World War I.webm 15.22MB
  1577. Math/23 - Recreational math - 02 - Puzzles/01 - Brain teasers - 04 - Alien abduction brain teaser.webm 15.22MB
  1578. Arts and humanities/07 - Renaissance and Reformation - 05 - Mannerism/01 - Mannerism - 09 - El Greco, Adoration of the Shepherds.webm 15.19MB
  1579. Science/06 - Health and medicine - 04 - Circulatory system diseases/06 - Cardiomyopathy - 02 - Cardiomyopathy signs and symptoms.webm 15.19MB
  1580. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/06 - Cardiomyopathy - 02 - Cardiomyopathy signs and symptoms.webm 15.19MB
  1581. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/07 - Antwerp and Bruges - 04 - Bruegel, Tower of Babel.webm 15.19MB
  1582. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 15 - Religion_ Cosmological argument part 1.webm 15.19MB
  1583. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 02 - Polarization of light, Linear and Circular.webm 15.18MB
  1584. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 18 - Tintoretto, the Origin of the Milky Way.webm 15.16MB
  1585. Test prep/02 - MCAT - 04 - Physical processes/22 - Thin lenses - 08 - Diopters, Aberration, and the Human Eye.webm 15.15MB
  1586. Math/16 - Probability and statistics - 07 - Inferential statistics/08 - Analysis of variance - 02 - ANOVA 2_ Calculating SSW and SSB (total sum of squares within and between).webm 15.13MB
  1587. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/03 - Elimination reactions - 03 - Zaitsev's rule.webm 15.13MB
  1588. Math/14 - Algebra II - 02 - Functions and their graphs/08 - Shifting and reflecting functions - 02 - Shifting functions.webm 15.12MB
  1589. Partner content/14 - MIT_K12 - 01 - Physics/01 - Physics - 06 - The Marangoni Effect_ How to make a soap propelled boat_.webm 15.12MB
  1590. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 15 - Renoir, The Grands Boulevards.webm 15.10MB
  1591. Science/03 - Chemistry - 05 - Chemical bonds/02 - Dot structures - 07 - VSEPR for 5 electron clouds.webm 15.09MB
  1592. Test prep/02 - MCAT - 05 - Chemical processes/04 - Dot structures - 07 - VSEPR for 5 electron clouds.webm 15.09MB
  1593. Science/06 - Health and medicine - 02 - Human anatomy and physiology/09 - Endocrine system introduction - 01 - Endocrine gland hormone review.webm 15.08MB
  1594. Test prep/02 - MCAT - 03 - Organ systems/06 - Endocrine system - 01 - Endocrine gland hormone review.webm 15.08MB
  1595. Test prep/03 - NCLEX-RN - 07 - Endocrine system/01 - Endocrine system - 01 - Endocrine gland hormone review.webm 15.08MB
  1596. Math/16 - Probability and statistics - 07 - Inferential statistics/04 - Bernoulli distributions and margin of error - 03 - Margin of error 1.webm 15.07MB
  1597. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 01 - Heart disease and heart attacks.webm 15.05MB
  1598. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 07 - Supernova (supernovae).webm 15.05MB
  1599. Science/03 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 04 - Ionization energy trends.webm 15.04MB
  1600. Math/11 - Algebra I - 10 - Ratios and proportions/02 - Advanced ratios, proportions, and rates - 01 - The golden ratio.webm 15.04MB
  1601. Math/13 - Geometry - 01 - Introduction to Euclidean geometry/01 - Introduction to Euclidean geometry - 07 - The golden ratio.webm 15.04MB
  1602. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/01 - US Declaration of Independence - 01 - Background and introduction to the United States Declaration of Independence.webm 15.04MB
  1603. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/01 - The Declaration of Independence - 02 - Background and introduction to the United States Declaration of Independence.webm 15.04MB
  1604. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 04 - Mathematics_ Sizes of infinity part 1_ Hilbert's Hotel.webm 15.03MB
  1605. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/08 - Siena, the Late Gothic - 08 - Simone Martini, Annunciation.webm 15.02MB
  1606. Test prep/02 - MCAT - 01 - Biomolecules/12 - Carbohydrates - 04 - Carbohydrates- di and polysaccharides.webm 15.02MB
  1607. Test prep/02 - MCAT - 05 - Chemical processes/10 - Carbohydrates - 01 - Carbohydrates- di and polysaccharides.webm 15.02MB
  1608. Science/06 - Health and medicine - 04 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 03 - Atherosclerosis - part 1.webm 15.02MB
  1609. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 14 - Manet, A Bar at the Folies-Bergère.webm 15.00MB
  1610. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 09 - Dimension of the null space or nullity.webm 15.00MB
  1611. Partner content/14 - MIT_K12 - 03 - Materials/01 - Materials - 02 - What is Soap_.webm 14.99MB
  1612. Arts and humanities/13 - South and East Asia - 04 - Korea and Japan/01 - Korean art - 05 - Guardian King of the West.webm 14.99MB
  1613. Partner content/09 - Asian Art Museum - 06 - Korea/01 - Korea - 01 - Guardian King of the West.webm 14.99MB
  1614. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/03 - Binomial distribution - 07 - Expected value of binomial distribution.webm 14.98MB
  1615. Partner content/18 - NASA - 02 - Measuring the Universe/04 - Spectroscopy - 05 - Radio waves (1888).webm 14.98MB
  1616. Math/16 - Probability and statistics - 07 - Inferential statistics/05 - Hypothesis testing with one sample - 06 - T-statistic confidence interval.webm 14.98MB
  1617. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/03 - Scale of earth, sun, galaxy and universe - 05 - Intergalactic scale.webm 14.98MB
  1618. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 08 - Depreciation.webm 14.97MB
  1619. Science/03 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 05 - pH, pOH of strong acids and bases.webm 14.97MB
  1620. Partner content/19 - Big History Project - 03 - 3. Stars and Elements/03 - 3.2—Way of Knowing_ Stars and Elements - 01 - Intro to Chemistry.webm 14.97MB
  1621. Test prep/01 - SAT - 01 - Overview of SAT prep on Khan Academy/01 - Overview of SAT prep on Khan Academy - 01 - Sal talks to CEO of the College Board, David Coleman.webm 14.97MB
  1622. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 20 - Pozzo, Saint Ignatius Chapel, Il Gesù.webm 14.96MB
  1623. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 10 - Solubility.webm 14.96MB
  1624. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/03 - Average fixed, variable and marginal costs - 02 - Visualizing average costs and marginal costs as slope.webm 14.96MB
  1625. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 04 - Primary and Secondary TB.webm 14.95MB
  1626. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 04 - Primary and Secondary TB.webm 14.95MB
  1627. Test prep/02 - MCAT - 04 - Physical processes/22 - Thin lenses - 06 - Thin lens equation and problem solving.webm 14.95MB
  1628. Test prep/02 - MCAT - 01 - Biomolecules/15 - Fat and protein metabolism - 04 - Digestion, Mobilization, and Transport of Fats - Part II.webm 14.94MB
  1629. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 10 - Johannes Vermeer, The Art of Painting.webm 14.94MB
  1630. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/09 - Preload and afterload - 03 - Preload and pressure.webm 14.93MB
  1631. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/01 - Order of operations - 05 - Order of operations, more examples.webm 14.93MB
  1632. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 01 - Order of operations, more examples.webm 14.93MB
  1633. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 30 - More rigorous Gibbs free energy _ spontaneity relationship.webm 14.91MB
  1634. Science/03 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 03 - More rigorous Gibbs free energy _ spontaneity relationship.webm 14.91MB
  1635. Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 08 - The battery and electromagnetism.webm 14.91MB
  1636. Science/07 - Discoveries and projects - 01 - Discoveries/04 - Discovery of batteries - 12 - The battery and electromagnetism.webm 14.91MB
  1637. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/03 - Change of basis - 01 - Coordinates with respect to a basis.webm 14.90MB
  1638. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/02 - Wall painting - 01 - Empire_ Painted Garden, Villa of Livia.webm 14.90MB
  1639. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 16 - Peripheral somatosensation.webm 14.90MB
  1640. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 04 - Peripheral somatosensation.webm 14.90MB
  1641. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 04 - Peripheral somatosensation.webm 14.90MB
  1642. Test prep/02 - MCAT - 01 - Biomolecules/02 - Enzyme structure and function - 01 - Introduction to enzymes and catalysis.webm 14.89MB
  1643. Test prep/02 - MCAT - 05 - Chemical processes/16 - Enzymes - 01 - Introduction to enzymes and catalysis.webm 14.89MB
  1644. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 08 - Standing waves in tubes (part 1).webm 14.89MB
  1645. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 20 - Maxwell's demon.webm 14.89MB
  1646. Science/03 - Chemistry - 11 - Thermodynamics/03 - Entropy - 08 - Maxwell's demon.webm 14.89MB
  1647. Partner content/01 - The Metropolitan Museum of Art - 03 - Making, finding, and conserving/01 - Making, finding, and conserving - 04 - An Art of Attraction_ The Electrotyping Process.webm 14.89MB
  1648. Test prep/02 - MCAT - 01 - Biomolecules/15 - Fat and protein metabolism - 08 - Fatty Acid Oxidation - Part II.webm 14.88MB
  1649. Test prep/02 - MCAT - 04 - Physical processes/13 - Electrostatics - 04 - Conductors and Insulators.webm 14.86MB
  1650. Math/13 - Geometry - 03 - Congruence/02 - Congruence postulates - 09 - Congruent triangle example 2.webm 14.85MB
  1651. Math/11 - Algebra I - 07 - Quadratic equations/06 - Graphing quadratics - 05 - Multiple examples graphing parabolas using roots and vertices.webm 14.85MB
  1652. Math/16 - Probability and statistics - 03 - Statistical studies/03 - Hypothesis testing - 04 - Statistical significance on bus speeds.webm 14.84MB
  1653. Math/07 - 8th grade (U.S.) - 02 - Solving equations/02 - Solving equations with distribution - 05 - Ex 1_ Distributive property to simplify.webm 14.84MB
  1654. Math/11 - Algebra I - 02 - Linear equations/11 - Simplifying complicated equations - 05 - Ex 1_ Distributive property to simplify.webm 14.84MB
  1655. Arts and humanities/10 - Age of global conflict - 08 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 04 - Dorothea Rockburne_ Drawing Which Makes Itself.webm 14.83MB
  1656. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/01 - United States - 05 - Dorothea Rockburne_ Drawing Which Makes Itself.webm 14.83MB
  1657. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 13 - Dorothea Rockburne_ Drawing Which Makes Itself.webm 14.83MB
  1658. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 13 - Monet, Water Lilies.webm 14.83MB
  1659. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 11 - Reel.webm 14.83MB
  1660. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 05 - Galvanic cells and changes in free energy.webm 14.83MB
  1661. Test prep/02 - MCAT - 05 - Chemical processes/18 - Equilibrium - 05 - Galvanic cells and changes in free energy.webm 14.83MB
  1662. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 01 - Giorgione, The Tempest.webm 14.79MB
  1663. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 07 - Vermeer, The Glass of Wine.webm 14.79MB
  1664. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 10 - Balancing redox reactions in base.webm 14.78MB
  1665. Test prep/02 - MCAT - 04 - Physical processes/30 - Redox reactions - 04 - Balancing redox reactions in base.webm 14.78MB
  1666. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 19 - Tintoretto, Last Supper.webm 14.77MB
  1667. Math/16 - Probability and statistics - 07 - Inferential statistics/03 - Confidence intervals - 03 - Small sample size confidence intervals.webm 14.77MB
  1668. Partner content/05 - The J. Paul Getty Museum - 06 - Decorative arts/01 - Decorative arts - 04 - Making maiolica.webm 14.77MB
  1669. Partner content/02 - Tate - 04 - Performance and participation/01 - Performance art - 05 - Martin Creed.webm 14.76MB
  1670. Math/14 - Algebra II - 03 - Polynomial and rational functions/11 - Simplifying rational expressions - 01 - Simplifying rational expressions introduction.webm 14.75MB
  1671. Math/14 - Algebra II - 04 - Rational expressions/01 - Simplifying rational expressions - 01 - Simplifying rational expressions introduction.webm 14.75MB
  1672. Partner content/19 - Big History Project - 04 - 4. Our Solar System and Earth/03 - 4.2—Why Is Plate Tectonics Important_ - 02 - Our Shifting Globe.webm 14.75MB
  1673. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 13 - Covariance and the regression line.webm 14.74MB
  1674. Science/01 - Biology - 01 - Cellular and molecular biology/02 - Cell division - 06 - Cancer.webm 14.74MB
  1675. Test prep/02 - MCAT - 05 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 06 - Carbohydrates - Epimers, common names.webm 14.74MB
  1676. Science/06 - Health and medicine - 04 - Circulatory system diseases/01 - Coronary artery disease - 05 - Heart attack (myocardial infarct) diagnosis.webm 14.73MB
  1677. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/01 - Coronary artery disease - 05 - Heart attack (myocardial infarct) diagnosis.webm 14.73MB
  1678. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 02 - Catching and spreading the flu.webm 14.72MB
  1679. Partner content/19 - Big History Project - 01 - 1. What Is Big History_/07 - Other Materials - 01 - One Student of Big History.webm 14.71MB
  1680. Arts and humanities/05 - Ancient art and civilizations - 09 - Asia/04 - Afghanistan - 03 - Afghanistan_ The lasting legacy of Alexander the Great.webm 14.70MB
  1681. Partner content/03 - The British Museum - 03 - Asia/04 - Afghanistan - 04 - Afghanistan_ The lasting legacy of Alexander the Great.webm 14.70MB
  1682. Science/01 - Biology - 01 - Cellular and molecular biology/03 - Cellular respiration - 06 - Glycolysis.webm 14.69MB
  1683. Test prep/02 - MCAT - 01 - Biomolecules/13 - Carbohydrate Metabolism - 02 - Glycolysis.webm 14.69MB
  1684. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 01 - What's inside of blood_.webm 14.68MB
  1685. Science/06 - Health and medicine - 14 - Lab values and concentrations/01 - Lab values and concentrations - 02 - What's inside of blood_.webm 14.68MB
  1686. Test prep/02 - MCAT - 03 - Organ systems/08 - Hematologic system - 01 - What's inside of blood_.webm 14.68MB
  1687. Arts and humanities/05 - Ancient art and civilizations - 06 - Etruscan/01 - Etruscan - 01 - Etruscan Necropolises of Cerveteri and Tarquinia (from UNESCO_NHK).webm 14.67MB
  1688. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./04 - Ancient Etruria - 01 - Etruscan Necropolises of Cerveteri and Tarquinia (from UNESCO_NHK).webm 14.67MB
  1689. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 14 - CAHSEE practice_ Problems 47-51.webm 14.67MB
  1690. Science/07 - Discoveries and projects - 03 - Robots/01 - All about Spout - 05 - Spout motor.webm 14.67MB
  1691. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/03 - Solubility equilibria - 07 - Solubility and complex ion formation.webm 14.65MB
  1692. Test prep/02 - MCAT - 05 - Chemical processes/03 - Solubility equilibria - 07 - Solubility and complex ion formation.webm 14.65MB
  1693. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/06 - Late empire - 02 - Basilica of Maxentius and Constantine.webm 14.65MB
  1694. Partner content/09 - Asian Art Museum - 08 - Hinduism/01 - Hinduism - 02 - The Hindu deities Vishnu and Krishna.webm 14.64MB
  1695. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 13 - Epistemology_ Argument and evidence.webm 14.64MB
  1696. Math/22 - Linear algebra - 02 - Matrix transformations/07 - Transpose of a matrix - 02 - Determinant of transpose.webm 14.64MB
  1697. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/01 - Ceramics and glass - 02 - Making Greek vases.webm 14.63MB
  1698. Partner content/05 - The J. Paul Getty Museum - 01 - Antiquities/01 - Antiquities - 02 - Making Greek vases.webm 14.63MB
  1699. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 05 - Making Greek vases.webm 14.63MB
  1700. Test prep/02 - MCAT - 04 - Physical processes/15 - Capacitors - 03 - Energy of a capacitor.webm 14.63MB
  1701. Math/17 - Precalculus - 02 - Matrices/06 - Inverting matrices - 04 - Matrices to solve a system of equations.webm 14.63MB
  1702. Partner content/05 - The J. Paul Getty Museum - 01 - Antiquities/01 - Antiquities - 03 - Making a molded Athenian vase.webm 14.63MB
  1703. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 04 - Redesigning a school toward blended learning/01 - School redesign overview - 02 - The assumptions that limit innovation -- the school year, daily schedule, class size.webm 14.62MB
  1704. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/05 - World War I shapes the Middle East - 01 - Theodor Herzl and the birth of political Zionism.webm 14.62MB
  1705. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 40 - Hess's law example.webm 14.61MB
  1706. Science/03 - Chemistry - 11 - Thermodynamics/02 - Enthalpy - 04 - Hess's law example.webm 14.61MB
  1707. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/02 - Blood pressure control - 08 - Aldosterone removes acid from the blood.webm 14.60MB
  1708. Test prep/02 - MCAT - 03 - Organ systems/13 - Renal regulation of blood pressure - 06 - Aldosterone removes acid from the blood.webm 14.60MB
  1709. Test prep/03 - NCLEX-RN - 10 - Renal system/02 - Renal regulation of blood pressure - 06 - Aldosterone removes acid from the blood.webm 14.60MB
  1710. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 11 - SOPA and PIPA.webm 14.60MB
  1711. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 13 - Structure of the nervous system.webm 14.60MB
  1712. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 01 - Structure of the nervous system.webm 14.60MB
  1713. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 01 - Structure of the nervous system.webm 14.60MB
  1714. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/08 - Rise of Hitler and the Nazis - 03 - Hitler and the Nazis come to power.webm 14.60MB
  1715. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/08 - Nerve regulation of the heart - 02 - Changing the heart rate - chronotropic effect.webm 14.59MB
  1716. Math/14 - Algebra II - 08 - Conic sections/03 - Ellipses - 02 - Foci of an ellipse.webm 14.59MB
  1717. Math/10 - Algebra basics - 07 - Quadratics and polynomials/06 - Polynomial basics - 01 - Addition and subtraction of polynomials.webm 14.58MB
  1718. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/08 - Polynomial basics - 09 - Addition and subtraction of polynomials.webm 14.58MB
  1719. Math/14 - Algebra II - 03 - Polynomial and rational functions/04 - Adding and multiplying polynomials - 02 - Addition and subtraction of polynomials.webm 14.58MB
  1720. Arts and humanities/05 - Ancient art and civilizations - 02 - Egyptian art and culture/03 - New Kingdom - 06 - Ancient Egyptian papyrus in the Book of the Dead Exhibition.webm 14.57MB
  1721. Partner content/03 - The British Museum - 01 - Africa/02 - Ancient Egypt - 05 - Ancient Egyptian papyrus in the Book of the Dead Exhibition.webm 14.57MB
  1722. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/04 - Life in the universe - 02 - Detectable civilizations in our galaxy 2.webm 14.57MB
  1723. Math/14 - Algebra II - 02 - Functions and their graphs/09 - Properties and features of functions - 02 - Recognizing odd and even functions.webm 14.57MB
  1724. Math/18 - Differential calculus - 03 - Derivative applications/09 - Mean value theorem - 05 - Mean value theorem.webm 14.56MB
  1725. Test prep/02 - MCAT - 01 - Biomolecules/12 - Carbohydrates - 02 - Carbohydrates - absolute configuration, epimers, common names.webm 14.56MB
  1726. Test prep/02 - MCAT - 05 - Chemical processes/10 - Carbohydrates - 03 - Carbohydrates - absolute configuration, epimers, common names.webm 14.56MB
  1727. Partner content/03 - The British Museum - 01 - Africa/04 - Ife - 01 - Opening of Kingdom of Ife exhibition.webm 14.54MB
  1728. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 07 - Extrapulmonary TB (Part 2).webm 14.53MB
  1729. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 07 - Extrapulmonary TB (Part 2).webm 14.53MB
  1730. Math/16 - Probability and statistics - 07 - Inferential statistics/05 - Hypothesis testing with one sample - 01 - Hypothesis testing and p-values.webm 14.53MB
  1731. Science/02 - Physics - 01 - One-dimensional motion/01 - Displacement, velocity and time - 02 - Calculating average velocity or speed.webm 14.53MB
  1732. Test prep/02 - MCAT - 04 - Physical processes/02 - Speed and velocity - 01 - Calculating average velocity or speed.webm 14.53MB
  1733. Science/06 - Health and medicine - 01 - Current events in health and medicine/02 - Ebola outbreak - 01 - Understanding the Ebola virus outbreak.webm 14.53MB
  1734. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/02 - Retirement accounts_ IRAs and 401ks - 02 - Roth IRAs.webm 14.53MB
  1735. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 09 - More on internal energy.webm 14.52MB
  1736. Science/03 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 04 - More on internal energy.webm 14.52MB
  1737. Partner content/19 - Big History Project - 02 - 2. The Big Bang/02 - 2.1—The Big Bang - 03 - Questions About the Big Bang.webm 14.52MB
  1738. Math/21 - Differential equations - 03 - Laplace transform/04 - The convolution integral - 02 - The convolution and the laplace transform.webm 14.52MB
  1739. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 02 - Introduction to the income statement.webm 14.50MB
  1740. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 09 - Batteries_power.webm 14.49MB
  1741. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/04 - Orthonormal bases and the Gram-Schmidt process - 09 - Gram-Schmidt example with 3 basis vectors.webm 14.48MB
  1742. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/04 - Green's theorem - 01 - Green's theorem proof part 1.webm 14.48MB
  1743. Science/03 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 04 - Ideal gas equation example 2.webm 14.48MB
  1744. Math/21 - Differential equations - 01 - First order differential equations/05 - Euler's Method - 02 - Euler's method program code.webm 14.46MB
  1745. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/05 - Eigen-everything - 05 - Eigenvalues of a 3x3 matrix.webm 14.45MB
  1746. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/05 - Investment and consumption - 01 - Risk and reward introduction.webm 14.45MB
  1747. Science/03 - Chemistry - 03 - Electronic structure of atoms/03 - Electron configurations - 07 - Electron configurations for the second period.webm 14.44MB
  1748. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 12 - Electron configurations for the second period.webm 14.44MB
  1749. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/05 - Eigen-everything - 04 - Finding eigenvectors and eigenspaces example.webm 14.43MB
  1750. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 05 - Caillebotte, The Floor Scrapers.webm 14.42MB
  1751. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/02 - Functional groups - 01 - Functional groups I.webm 14.42MB
  1752. Arts and humanities/14 - Africa, Oceania, and the indigenous Americas - 03 - South America/02 - Ancient Colombian chiefdoms and indigenous Amazonian peoples - 02 - Depletion gilding_ Goldmaking techniques of the ancient Colombians.webm 14.41MB
  1753. Partner content/03 - The British Museum - 02 - The Americas/01 - South America - 04 - Depletion gilding_ Goldmaking techniques of the ancient Colombians.webm 14.41MB
  1754. Test prep/02 - MCAT - 01 - Biomolecules/03 - Enzyme kinetics - 03 - Enzymatic inhibition and Lineweaver Burke plots.webm 14.41MB
  1755. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/08 - Nerve regulation of the heart - 01 - Changing the AV node delay - chronotropic effect.webm 14.41MB
  1756. Science/03 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 06 - Period trend for ionization energy.webm 14.41MB
  1757. Test prep/02 - MCAT - 04 - Physical processes/27 - Periodic table - 07 - Period trend for ionization energy.webm 14.41MB
  1758. Math/24 - Math contests - 01 - AMC 10/01 - 2013 AMC 10 A - 03 - 2013 AMC 10 A #23 _ AMC 12 A #19.webm 14.41MB
  1759. Science/01 - Biology - 01 - Cellular and molecular biology/03 - Cellular respiration - 03 - Introduction to cellular respiration.webm 14.40MB
  1760. Test prep/02 - MCAT - 01 - Biomolecules/13 - Carbohydrate Metabolism - 01 - Introduction to cellular respiration.webm 14.40MB
  1761. Partner content/06 - California Academy of Sciences - 03 - Where is biodiversity found_/01 - Biodiversity Hotspots - 01 - What is a biodiversity hotspot_.webm 14.40MB
  1762. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 02 - Amplitude, period, frequency and wavelength of periodic waves.webm 14.37MB
  1763. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 03 - The Athenian Agora and the experiment in democracy.webm 14.36MB
  1764. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 02 - The Athenian Agora and the experiment in democracy.webm 14.36MB
  1765. Math/19 - Integral calculus - 01 - Integrals/06 - Fundamental theorem of calculus - 05 - Proof of fundamental theorem of calculus.webm 14.36MB
  1766. Test prep/02 - MCAT - 04 - Physical processes/15 - Capacitors - 06 - Dielectrics in capacitors.webm 14.36MB
  1767. Arts and humanities/11 - Toward a global culture - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 02 - Zarina Hashmi.webm 14.35MB
  1768. Partner content/02 - Tate - 03 - Global modernisms/03 - Asia - 05 - Zarina Hashmi.webm 14.35MB
  1769. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 05 - Phase diagrams.webm 14.35MB
  1770. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 05 - Three types of muscle.webm 14.35MB
  1771. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/06 - Heart muscle contraction - 01 - Three types of muscle.webm 14.35MB
  1772. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 05 - Three types of muscle.webm 14.35MB
  1773. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 05 - Three types of muscle.webm 14.35MB
  1774. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 06 - Van Eyck, Ghent Altarpiece (1 of 2).webm 14.35MB
  1775. Test prep/02 - MCAT - 04 - Physical processes/13 - Electrostatics - 02 - Coulomb's Law.webm 14.34MB
  1776. Partner content/19 - Big History Project - 09 - 9. Acceleration/05 - Other Materials - 01 - Chemistry and Energy.webm 14.34MB
  1777. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 03 - Introduction.webm 14.34MB
  1778. Math/10 - Algebra basics - 07 - Quadratics and polynomials/03 - Factoring quadratic expressions - 01 - Factoring quadratic expressions.webm 14.33MB
  1779. Math/10 - Algebra basics - 07 - Quadratics and polynomials/05 - Solving quadratics by factoring - 01 - Factoring quadratic expressions.webm 14.33MB
  1780. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/04 - Factoring quadratic expressions - 01 - Factoring quadratic expressions.webm 14.33MB
  1781. Math/11 - Algebra I - 07 - Quadratic equations/02 - Solving quadratics by factoring - 01 - Factoring quadratic expressions.webm 14.33MB
  1782. Math/14 - Algebra II - 03 - Polynomial and rational functions/01 - Factoring quadratics - 01 - Factoring quadratic expressions.webm 14.33MB
  1783. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 16 - Renoir, Moulin de la Galette.webm 14.33MB
  1784. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/08 - Maclaurin series and Euler's identity - 05 - Euler's formula and Euler's identity.webm 14.32MB
  1785. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 04 - Van Gogh, The Bedroom.webm 14.32MB
  1786. Science/06 - Health and medicine - 14 - Lab values and concentrations/01 - Lab values and concentrations - 08 - Calculate your own osmolarity.webm 14.32MB
  1787. Arts and humanities/09 - Becoming modern - 03 - Early photography/01 - Early photography - 02 - The wet collodion process.webm 14.32MB
  1788. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/01 - Photography before 1970 - 03 - The wet collodion process.webm 14.32MB
  1789. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 11 - Conservation - Pollock, 'One_ Number 31, 1950'.webm 14.30MB
  1790. Partner content/04 - The Museum of Modern Art - 03 - Behind the scenes at MoMA/01 - Behind the scenes at MoMA - 04 - Conservation - Pollock, 'One_ Number 31, 1950'.webm 14.30MB
  1791. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/03 - Molecular orbital theory - 02 - MO theory for Diels-Alder.webm 14.30MB
  1792. Science/03 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 05 - Half-life.webm 14.30MB
  1793. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 07 - Half-life.webm 14.30MB
  1794. Test prep/02 - MCAT - 01 - Biomolecules/15 - Fat and protein metabolism - 09 - How does the body adapt to starvation_.webm 14.30MB
  1795. Math/17 - Precalculus - 02 - Matrices/06 - Inverting matrices - 10 - Classic video on inverting a 3x3 matrix part 1.webm 14.29MB
  1796. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 04 - Plate tectonics_ Geological features of divergent plate boundaries.webm 14.29MB
  1797. Test prep/02 - MCAT - 01 - Biomolecules/06 - Genetic mutations - 02 - The different types of mutations.webm 14.27MB
  1798. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 11 - DLab_ Spout Bot project.webm 14.27MB
  1799. Arts and humanities/06 - Medieval Europe - 03 - Early Christian/01 - Early Christian - 04 - Santa Maria Maggiore.webm 14.26MB
  1800. Math/18 - Differential calculus - 03 - Derivative applications/10 - L'Hôpital's rule - 06 - Tricky L'Hopital's Rule problem.webm 14.26MB
  1801. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 01 - Visualizing vectors in 2 dimensions.webm 14.26MB
  1802. Test prep/02 - MCAT - 04 - Physical processes/01 - Vectors and scalars - 02 - Visualizing vectors in 2 dimensions.webm 14.26MB
  1803. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 06 - Defining a plane in R3 with a point and normal vector.webm 14.25MB
  1804. Science/01 - Biology - 02 - Human biology/02 - The neuron and nervous system - 02 - Sodium potassium pump.webm 14.25MB
  1805. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 05 - Sodium potassium pump.webm 14.25MB
  1806. Test prep/02 - MCAT - 02 - Cells/03 - Transport across a cell membrane - 05 - Sodium potassium pump.webm 14.25MB
  1807. Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 01 - Price elasticity of demand.webm 14.25MB
  1808. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 10 - Reproductive cycle graph - Luteal phase.webm 14.24MB
  1809. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 10 - Reproductive cycle graph - Luteal phase.webm 14.24MB
  1810. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 03 - Ancient_ Mengzi (Mencius) on Human Nature.webm 14.24MB
  1811. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 11 - Thin Film Interference part 2.webm 14.23MB
  1812. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 04 - Electoral college.webm 14.22MB
  1813. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 07 - Government's financial condition.webm 14.22MB
  1814. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 06 - Collective learning.webm 14.21MB
  1815. Test prep/02 - MCAT - 02 - Cells/03 - Transport across a cell membrane - 01 - How do things move across a cell membrane_.webm 14.21MB
  1816. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 08 - Gustav Klimt, The Kiss.webm 14.21MB
  1817. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./02 - Modernism - 04 - Gustav Klimt, The Kiss.webm 14.21MB
  1818. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/03 - Average fixed, variable and marginal costs - 01 - Fixed, variable, and marginal cost.webm 14.20MB
  1819. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 13 - Treatment of Active TB.webm 14.19MB
  1820. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 13 - Treatment of Active TB.webm 14.19MB
  1821. Arts and humanities/06 - Medieval Europe - 01 - A beginner's guide to medieval Europe/01 - A beginner's guide to medieval Europe - 02 - Manuscripts_ Major works of art.webm 14.18MB
  1822. Partner content/05 - The J. Paul Getty Museum - 03 - Manuscripts/01 - Manuscripts - 01 - Manuscripts_ Major works of art.webm 14.18MB
  1823. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/08 - Siena, the Late Gothic - 07 - Pietro Lorenzetti, Birth of the Virgin.webm 14.17MB
  1824. Arts and humanities/10 - Age of global conflict - 09 - Architecture/01 - Architecture - 02 - Gordon Bunshaft, Lever House.webm 14.17MB
  1825. Science/03 - Chemistry - 05 - Chemical bonds/02 - Dot structures - 05 - VSEPR for 3 electron clouds.webm 14.17MB
  1826. Test prep/02 - MCAT - 05 - Chemical processes/04 - Dot structures - 05 - VSEPR for 3 electron clouds.webm 14.17MB
  1827. Science/06 - Health and medicine - 06 - Respiratory system diseases/13 - Laryngeal conditions - 02 - Epiglottitis diagnosis and treatment.webm 14.17MB
  1828. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 02 - Epiglottitis diagnosis and treatment.webm 14.17MB
  1829. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 13 - Paul Cézanne's approach to watercolor.webm 14.17MB
  1830. Partner content/05 - The J. Paul Getty Museum - 09 - Drawings/01 - Drawings - 05 - Paul Cézanne's approach to watercolor.webm 14.17MB
  1831. Science/03 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 02 - pH of a weak base.webm 14.16MB
  1832. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/01 - Blood pressure - 06 - Flow and perfusion.webm 14.16MB
  1833. Science/03 - Chemistry - 08 - Chemical equilibrium/01 - Equilibrium constant - 02 - Keq intuition (mathy and not necessary to progress).webm 14.15MB
  1834. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/03 - Ottonian - 01 - Bronze doors, Saint Michael's, Hildesheim, commissioned by Bishop Bernward, 1015.webm 14.14MB
  1835. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 17 - IIT JEE differentiability and boundedness.webm 14.14MB
  1836. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 02 - Currency effect on trade.webm 14.14MB
  1837. Partner content/16 - The Brookings Institution - 01 - Introduction to health care in the U.S./01 - Introduction to health care in the U.S. - 08 - Health care costs.webm 14.14MB
  1838. Arts and humanities/09 - Becoming modern - 02 - Romanticism/02 - France - 05 - Géricault, Raft of the Medusa.webm 14.13MB
  1839. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 01 - Curiosity has landed.webm 14.13MB
  1840. Science/03 - Chemistry - 08 - Chemical equilibrium/03 - Spectrophotometry - 02 - Spectrophotometry example.webm 14.13MB
  1841. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/06 - Late classical (4th century) - 01 - Lysippos, Farnese Hercules.webm 14.13MB
  1842. Science/01 - Biology - 02 - Human biology/04 - Muscles - 03 - Role of the sarcoplasmic reticulum in muscle cells.webm 14.12MB
  1843. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 03 - Role of the sarcoplasmic reticulum in muscle cells.webm 14.12MB
  1844. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 03 - Role of the sarcoplasmic reticulum in muscle cells.webm 14.12MB
  1845. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 03 - Role of the sarcoplasmic reticulum in muscle cells.webm 14.12MB
  1846. Math/14 - Algebra II - 03 - Polynomial and rational functions/14 - Partial fraction expansion - 02 - Partial fraction expansion 2.webm 14.11MB
  1847. Math/14 - Algebra II - 04 - Rational expressions/04 - Partial fraction expansion - 02 - Partial fraction expansion 2.webm 14.11MB
  1848. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/02 - Neuron membrane potentials - 02 - Neuron resting potential mechanism.webm 14.11MB
  1849. Test prep/02 - MCAT - 03 - Organ systems/03 - Neuron membrane potentials - 02 - Neuron resting potential mechanism.webm 14.11MB
  1850. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 03 - More on quantitative easing (and credit easing).webm 14.10MB
  1851. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 11 - Donatello, David.webm 14.08MB
  1852. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 04 - Donatello, David.webm 14.08MB
  1853. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/04 - Babylonian - 01 - The Babylonian mind.webm 14.07MB
  1854. Partner content/03 - The British Museum - 05 - The Middle East/01 - Ancient Near East - 01 - The Babylonian mind.webm 14.07MB
  1855. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 03 - Wood, American Gothic.webm 14.07MB
  1856. Math/11 - Algebra I - 05 - Systems of equations and inequalities/02 - Super fast systems of equations - 05 - Special types of linear systems.webm 14.07MB
  1857. Science/03 - Chemistry - 03 - Electronic structure of atoms/03 - Electron configurations - 09 - Electron configurations in the 3d orbitals.webm 14.06MB
  1858. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 14 - Electron configurations in the 3d orbitals.webm 14.06MB
  1859. Partner content/18 - NASA - 02 - Measuring the Universe/04 - Spectroscopy - 07 - Gamma waves (1900).webm 14.06MB
  1860. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/01 - US Declaration of Independence - 05 - First draft of the Declaration of Independence.webm 14.05MB
  1861. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/01 - The Declaration of Independence - 06 - First draft of the Declaration of Independence.webm 14.05MB
  1862. Math/22 - Linear algebra - 02 - Matrix transformations/01 - Functions and linear transformations - 02 - Vector transformations.webm 14.05MB
  1863. Test prep/02 - MCAT - 01 - Biomolecules/15 - Fat and protein metabolism - 03 - Fatty Acid Synthesis - Part I.webm 14.05MB
  1864. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 07 - Diffraction grating.webm 14.04MB
  1865. Math/22 - Linear algebra - 02 - Matrix transformations/01 - Functions and linear transformations - 03 - Linear transformations.webm 14.04MB
  1866. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/03 - Change of basis - 06 - Alternate basis transformation matrix example part 2.webm 14.04MB
  1867. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 09 - Donatello, Feast of Herod.webm 14.02MB
  1868. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/01 - Beginning of World War I - 01 - Empires before World War I.webm 14.01MB
  1869. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 13 - New dinosaur research_ Microraptor's feather color revealed.webm 14.01MB
  1870. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 02 - Anatomy of the male reproductive system.webm 13.99MB
  1871. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 02 - Anatomy of the male reproductive system.webm 13.99MB
  1872. Science/02 - Physics - 01 - One-dimensional motion/03 - Kinematic formulas and projectile motion - 07 - Impact velocity from given height.webm 13.99MB
  1873. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 16 - Vaccines and the autism myth - part 2.webm 13.98MB
  1874. Math/08 - Arithmetic - 02 - Multiplication and division/02 - Basic multiplication - 02 - Basic multiplication.webm 13.98MB
  1875. Test prep/02 - MCAT - 01 - Biomolecules/08 - Chromosomal inheritance - 09 - Extranuclear inheritance 2.webm 13.97MB
  1876. Arts and humanities/13 - South and East Asia - 04 - Korea and Japan/02 - Japanese art - 01 - Muromachi to Momoyama period Negoro ware ewer.webm 13.97MB
  1877. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 06 - Why do sounds get softer_.webm 13.96MB
  1878. Math/10 - Algebra basics - 04 - Graphing lines and slope/01 - Graphing on the coordinate plane - 01 - Descartes and Cartesian coordinates.webm 13.96MB
  1879. Math/11 - Algebra I - 01 - Introduction to algebra/01 - Overview and history of algebra - 04 - Descartes and Cartesian coordinates.webm 13.96MB
  1880. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/01 - Coordinate plane - 01 - Descartes and Cartesian coordinates.webm 13.96MB
  1881. Arts and humanities/10 - Age of global conflict - 01 - A beginner's guide to 20th century art/01 - A beginner's guide to 20th century art - 02 - Art and context_ Monet's Cliff Walk at Pourville and Malevich's White on White.webm 13.94MB
  1882. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 10 - Kant_ On Space Part 1.webm 13.94MB
  1883. Arts and humanities/06 - Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 05 - Ivory panel with Archangel.webm 13.92MB
  1884. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 13 - Acid base titration.webm 13.92MB
  1885. Science/01 - Biology - 02 - Human biology/05 - Immunology - 03 - B lymphocytes (B cells).webm 13.91MB
  1886. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 03 - B lymphocytes (B cells).webm 13.91MB
  1887. Test prep/02 - MCAT - 03 - Organ systems/11 - Immune system - 03 - B lymphocytes (B cells).webm 13.91MB
  1888. Test prep/03 - NCLEX-RN - 09 - Immune system/01 - Immune system - 03 - B lymphocytes (B cells).webm 13.91MB
  1889. Science/03 - Chemistry - 05 - Chemical bonds/01 - Types of chemical bonds - 01 - Ionic, covalent, and metallic bonds.webm 13.91MB
  1890. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 06 - Click n' stick base and batteries.webm 13.91MB
  1891. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/05 - 2D divergence theorem - 02 - 2D divergence theorem.webm 13.91MB
  1892. Partner content/18 - NASA - 03 - Exploring the Universe/02 - Mars_ Modern exploration - 06 - Mars express.webm 13.91MB
  1893. Test prep/02 - MCAT - 01 - Biomolecules/06 - Genetic mutations - 01 - An introduction to genetic mutations.webm 13.90MB
  1894. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 02 - Curiosity descent.webm 13.90MB
  1895. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 11 - Two flu vaccines (TIV and LAIV).webm 13.89MB
  1896. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/02 - Position vector functions and derivatives - 02 - Derivative of a position vector valued function.webm 13.88MB
  1897. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 05 - Total displacement for projectile.webm 13.88MB
  1898. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 02 - Sir John Everett Millais, Christ in the House of His Parents.webm 13.88MB
  1899. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 01 - Polykleitos, Doryphoros (Spear Bearer).webm 13.88MB
  1900. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 07 - Polykleitos, Doryphoros (Spear Bearer).webm 13.88MB
  1901. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/05 - Zach Kaplan - CEO of Inventables - 01 - Zach Kaplan - CEO of Inventables.webm 13.88MB
  1902. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/01 - Buffer solutions - 01 - Buffers and Hendersen-Hasselbalch.webm 13.87MB
  1903. Arts and humanities/05 - Ancient art and civilizations - 09 - Asia/02 - A beginner's guide to Buddhist art and culture - 01 - Bodh Gaya_ center of the Buddhist world.webm 13.86MB
  1904. Partner content/09 - Asian Art Museum - 09 - Buddhism/01 - Buddhism - 01 - Bodh Gaya_ center of the Buddhist world.webm 13.86MB
  1905. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 14 - Antiarrhythmics.webm 13.86MB
  1906. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 14 - Antiarrhythmics.webm 13.86MB
  1907. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/01 - Aggregate demand and aggregate supply - 01 - Aggregate demand.webm 13.85MB
  1908. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 07 - Debt loops rationale and effects.webm 13.85MB
  1909. Partner content/02 - Tate - 03 - Global modernisms/02 - Latin America - 04 - Melanie Smith.webm 13.85MB
  1910. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/07 - Florence, the Late Gothic - 02 - Giotto, The Ognissanti Madonna.webm 13.84MB
  1911. Science/02 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 03 - More on Newton's first law of motion.webm 13.84MB
  1912. Test prep/02 - MCAT - 04 - Physical processes/04 - Newton's laws and equilibrium - 01 - More on Newton's first law of motion.webm 13.84MB
  1913. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/03 - Formal charge and resonance - 01 - Formal charge I.webm 13.84MB
  1914. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 16 - 2011 Calculus BC free response #6d.webm 13.84MB
  1915. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 07 - Leonardo, Mona Lisa.webm 13.83MB
  1916. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/04 - Early classical - 03 - Artemision Zeus or Poseidon.webm 13.83MB
  1917. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 03 - Null space 2_ Calculating the null space of a matrix.webm 13.83MB
  1918. Science/03 - Chemistry - 13 - Kinetics/01 - Reaction rates and rate laws - 04 - Experimental determination of rate laws.webm 13.82MB
  1919. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 03 - Experimental determination of rate laws.webm 13.82MB
  1920. Partner content/14 - MIT_K12 - 01 - Physics/01 - Physics - 01 - Thomas Young's Double Slit Experiment.webm 13.81MB
  1921. Math/23 - Recreational math - 01 - Doodling in Math and more/07 - Thanksgiving math - 03 - Optimal potatoes.webm 13.80MB
  1922. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 10 - Dimension of the column space or rank.webm 13.79MB
  1923. Economics and finance/03 - Finance and capital markets - 04 - Taxes/02 - Corporate taxation - 02 - Is limited liability or double taxation fair_.webm 13.78MB
  1924. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 04 - Introduction to the price-to-earnings ratio.webm 13.78MB
  1925. Science/01 - Biology - 03 - Heredity and evolution/03 - Tree of life - 02 - Species.webm 13.77MB
  1926. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 15 - Curiosity completes its first martian year.webm 13.77MB
  1927. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 10 - Work from expansion.webm 13.76MB
  1928. Science/03 - Chemistry - 11 - Thermodynamics/01 - Internal energy - 05 - Work from expansion.webm 13.76MB
  1929. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 03 - Strong acid titration.webm 13.76MB
  1930. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/02 - Orthogonal projections - 09 - Another least squares example.webm 13.76MB
  1931. Math/10 - Algebra basics - 04 - Graphing lines and slope/06 - Constructing equations in slope-intercept form - 01 - Multiple examples of constructing linear equations in slope-intercept form.webm 13.75MB
  1932. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/08 - Constructing equations in slope-intercept form - 01 - Multiple examples of constructing linear equations in slope-intercept form.webm 13.75MB
  1933. Computing/02 - Computer science - 02 - Journey into cryptography/07 - Randomized algorithms - 04 - Fermat's little theorem.webm 13.73MB
  1934. Math/23 - Recreational math - 03 - Math warmups/06 - Number Theory warmups - 01 - Fermat's little theorem.webm 13.73MB
  1935. Arts and humanities/05 - Ancient art and civilizations - 03 - Aegean art/02 - Mycenaean - 02 - Mask of Agamemnon, Mycenae, c. 1550-1500 B.C.E..webm 13.73MB
  1936. Math/15 - Trigonometry - 04 - Trig identities and examples/07 - Advanced trig examples - 03 - IIT JEE trigonometry problem 1.webm 13.73MB
  1937. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 01 - IIT JEE trigonometry problem 1.webm 13.73MB
  1938. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 14 - Fallacies_ Introduction to Ad Hominem.webm 13.72MB
  1939. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/02 - Carolingian - 03 - Saint Matthew from the Ebbo Gospel.webm 13.72MB
  1940. Science/03 - Chemistry - 04 - Periodic table/01 - Introduction to the periodic table - 03 - The periodic table - classification of elements.webm 13.71MB
  1941. Test prep/02 - MCAT - 04 - Physical processes/27 - Periodic table - 02 - The periodic table - classification of elements.webm 13.71MB
  1942. Partner content/19 - Big History Project - 06 - 6. Early Humans/03 - 6.2—Collective Learning - 02 - Early Evidence of Collective Learning.webm 13.70MB
  1943. Science/06 - Health and medicine - 05 - Advanced respiratory system physiology/02 - Breathing control - 03 - The respiratory center.webm 13.70MB
  1944. Test prep/02 - MCAT - 03 - Organ systems/09 - Respiratory system - 08 - The respiratory center.webm 13.70MB
  1945. Test prep/03 - NCLEX-RN - 04 - Respiratory system/01 - Respiratory system - 08 - The respiratory center.webm 13.70MB
  1946. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/03 - Slope of a line - 03 - Slope and rate of change.webm 13.70MB
  1947. Math/10 - Algebra basics - 04 - Graphing lines and slope/04 - Slope of a line - 03 - Slope and rate of change.webm 13.70MB
  1948. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/06 - Slope - 03 - Slope and rate of change.webm 13.70MB
  1949. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 01 - Khan Academy's Discovery Lab - Summer 2013.webm 13.70MB
  1950. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/02 - Pottery - 02 - Geometric_ Dipylon Amphora.webm 13.69MB
  1951. Math/22 - Linear algebra - 02 - Matrix transformations/02 - Linear transformation examples - 05 - Introduction to projections.webm 13.69MB
  1952. Math/16 - Probability and statistics - 04 - Descriptive statistics/02 - Box-and-whisker plots - 03 - Constructing a box and whisker plot.webm 13.69MB
  1953. Economics and finance/03 - Finance and capital markets - 10 - Current economics/01 - Unemployment - 01 - Unemployment.webm 13.68MB
  1954. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/01 - Bond-line structures - 02 - 3D bond-line structures.webm 13.67MB
  1955. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 15 - Van der Weyden, Crucifixion Triptych.webm 13.67MB
  1956. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/01 - History of life on earth - 04 - Biodiversity flourishes in Phanerozoic eon.webm 13.66MB
  1957. Math/23 - Recreational math - 02 - Puzzles/01 - Brain teasers - 10 - 3D path counting brain teaser.webm 13.66MB
  1958. Science/06 - Health and medicine - 06 - Respiratory system diseases/09 - Pleural Effusion - 02 - Pleural effusion diagnosis and treatment.webm 13.66MB
  1959. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/09 - Pleural effusion - 02 - Pleural effusion diagnosis and treatment.webm 13.66MB
  1960. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 13 - Relating social theories to medicine.webm 13.65MB
  1961. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 12 - Victory (Nike) Adjusting Her Sandal, Temple of Athena Nike (Acropolis).webm 13.65MB
  1962. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 12 - Victory (Nike) Adjusting Her Sandal, Temple of Athena Nike (Acropolis).webm 13.65MB
  1963. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 15 - Vaccines and the autism myth - part 1.webm 13.64MB
  1964. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 05 - Testosterone.webm 13.64MB
  1965. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 05 - Testosterone.webm 13.64MB
  1966. Science/07 - Discoveries and projects - 03 - Robots/01 - All about Spout - 07 - Spout's reversing circuit and final assembly.webm 13.63MB
  1967. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/06 - Late empire - 03 - The Colossus of Constantine.webm 13.62MB
  1968. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/05 - Big bang and expansion of the universe - 02 - Radius of observable universe.webm 13.61MB
  1969. Partner content/14 - MIT_K12 - 01 - Physics/01 - Physics - 11 - Heat Transfer.webm 13.61MB
  1970. Math/18 - Differential calculus - 03 - Derivative applications/06 - Optimization with calculus - 05 - Minimizing the cost of a storage container.webm 13.61MB
  1971. Science/01 - Biology - 01 - Cellular and molecular biology/03 - Cellular respiration - 04 - Oxidation and reduction review from biological point-of-view.webm 13.61MB
  1972. Test prep/02 - MCAT - 01 - Biomolecules/11 - Overview of metabolism - 06 - Oxidation and reduction review from biological point-of-view.webm 13.61MB
  1973. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 13 - Dissociative shock.webm 13.60MB
  1974. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 13 - Dissociative shock.webm 13.60MB
  1975. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/02 - Nucleophilicity and basicity - 02 - Nucleophilicity vs. basicity.webm 13.59MB
  1976. Science/01 - Biology - 03 - Heredity and evolution/03 - Tree of life - 05 - Human prehistory 101_ Prologue.webm 13.58MB
  1977. Test prep/02 - MCAT - 01 - Biomolecules/13 - Carbohydrate Metabolism - 06 - Pentose phosphate pathway.webm 13.58MB
  1978. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/06 - Albrecht Dürer - 03 - Dürer, the Large Piece of Turf.webm 13.57MB
  1979. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/04 - Two-step equations - 04 - Example_ two-step equations.webm 13.57MB
  1980. Math/10 - Algebra basics - 03 - Linear equations and inequalities/01 - Solving basic equations - 06 - Example_ two-step equations.webm 13.57MB
  1981. Math/11 - Algebra I - 02 - Linear equations/03 - Equations for beginners - 06 - Example_ two-step equations.webm 13.57MB
  1982. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 14 - Neurotransmitter anatomy.webm 13.56MB
  1983. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 14 - Neurotransmitter anatomy.webm 13.56MB
  1984. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 06 - Young's Double Slit problem solving.webm 13.55MB
  1985. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/11 - Changing the PV loop - 06 - Getting Ea (arterial elastance) from the PV loop.webm 13.55MB
  1986. Test prep/02 - MCAT - 07 - Behavior/05 - Psychological disorders - 04 - Biological basis of depression.webm 13.54MB
  1987. Test prep/02 - MCAT - 01 - Biomolecules/02 - Enzyme structure and function - 05 - Co-factors, co-enzymes, and vitamins.webm 13.54MB
  1988. Math/17 - Precalculus - 03 - Parametric equations and polar coordinates/01 - Parametric equations - 03 - Parametric equations 3.webm 13.54MB
  1989. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 05 - Precession causing perihelion to happen later.webm 13.52MB
  1990. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 01 - Degas, The Bellelli Family.webm 13.52MB
  1991. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/04 - Blood vessels - 02 - Three types of capillaries.webm 13.52MB
  1992. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/01 - Introduction to stocks - 01 - What it means to buy a company's stock.webm 13.52MB
  1993. Science/06 - Health and medicine - 08 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 01 - What is iron deficiency_.webm 13.52MB
  1994. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 01 - What is iron deficiency_.webm 13.52MB
  1995. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/01 - Ratios and proportions - 01 - Introduction to ratios.webm 13.51MB
  1996. Math/16 - Probability and statistics - 07 - Inferential statistics/02 - Sampling distribution - 03 - Sampling distribution of the sample mean 2.webm 13.50MB
  1997. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 05 - 2003 AIME II problem 4 (part 1).webm 13.50MB
  1998. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/07 - Florence, the Late Gothic - 09 - Giotto, The Entombment of Mary.webm 13.49MB
  1999. Science/06 - Health and medicine - 02 - Human anatomy and physiology/01 - Circulatory system introduction - 01 - Meet the heart_.webm 13.49MB
  2000. Test prep/02 - MCAT - 03 - Organ systems/07 - Circulatory system - 01 - Meet the heart_.webm 13.49MB
  2001. Test prep/03 - NCLEX-RN - 02 - Circulatory system/01 - Circulatory system - 01 - Meet the heart_.webm 13.49MB
  2002. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 11 - Bunch of examples.webm 13.49MB
  2003. Arts and humanities/11 - Toward a global culture - 04 - Global modernisms in the 21st century/01 - Global modernisms in the 21st century - 06 - Doug Fishbone_ Elmina.webm 13.48MB
  2004. Partner content/02 - Tate - 03 - Global modernisms/01 - Africa - 03 - Doug Fishbone_ Elmina.webm 13.48MB
  2005. Science/03 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 09 - pH of salt solutions.webm 13.47MB
  2006. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 10 - pH of salt solutions.webm 13.47MB
  2007. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 09 - pH of salt solutions.webm 13.47MB
  2008. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 09 - Chapter 11_ Bankruptcy restructuring.webm 13.47MB
  2009. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/10 - Corporate bankruptcy - 02 - Chapter 11_ Bankruptcy restructuring.webm 13.47MB
  2010. Test prep/02 - MCAT - 02 - Cells/08 - Embryology - 01 - Egg, sperm, and fertilization.webm 13.46MB
  2011. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/06 - Life of Benjamin Franklin - 06 - Benjamin Franklin as diplomat.webm 13.46MB
  2012. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/02 - Benjamin Franklin - 06 - Benjamin Franklin as diplomat.webm 13.46MB
  2013. Economics and finance/01 - Microeconomics - 07 - Game theory and Nash equilibrium/02 - Why parties in a cartel will cheat - 02 - Game theory of cheating firms.webm 13.46MB
  2014. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/08 - Giles Shih - President and CEO of BioResource International - 03 - Giles Shih - Making an idea into a business.webm 13.45MB
  2015. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 10 - Bailout 10_ Moral hazard.webm 13.42MB
  2016. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 11 - Bailout 10_ Moral hazard.webm 13.42MB
  2017. Science/06 - Health and medicine - 04 - Circulatory system diseases/08 - Heart valve diseases - 06 - Aortic stenosis and aortic regurgitation.webm 13.41MB
  2018. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/09 - Heart valve diseases - 06 - Aortic stenosis and aortic regurgitation.webm 13.41MB
  2019. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 24 - Carnot efficiency 3_ Proving that it is the most efficient.webm 13.41MB
  2020. Science/03 - Chemistry - 03 - Electronic structure of atoms/03 - Electron configurations - 04 - Electron configurations 2.webm 13.40MB
  2021. Science/06 - Health and medicine - 04 - Circulatory system diseases/06 - Cardiomyopathy - 04 - Hypertrophic cardiomyopathy_ Pathophysiology and diagnosis.webm 13.40MB
  2022. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/06 - Cardiomyopathy - 04 - Hypertrophic cardiomyopathy_ Pathophysiology and diagnosis.webm 13.40MB
  2023. Test prep/02 - MCAT - 01 - Biomolecules/09 - Evolution and population dynamics - 04 - Bottlenecks and the environment.webm 13.39MB
  2024. Test prep/02 - MCAT - 07 - Behavior/05 - Psychological disorders - 06 - Biological basis of parkinson's disease.webm 13.39MB
  2025. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 04 - An IPO.webm 13.39MB
  2026. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 13 - Van der Goes, The Adoration of the Kings.webm 13.39MB
  2027. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/06 - France - 02 - Poussin, Landscape with St. John.webm 13.39MB
  2028. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 01 - Introduction to blended learning/01 - An overview of blended learning - 01 - The Case for Blended Learning.webm 13.39MB
  2029. Science/06 - Health and medicine - 04 - Circulatory system diseases/09 - Acyanotic heart diseases - 03 - What is Eisenmenger syndrome_.webm 13.39MB
  2030. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/03 - Acyanotic heart diseases - 03 - What is Eisenmenger syndrome_.webm 13.39MB
  2031. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/04 - Central Italy - 03 - Martini, Architectural Veduta.webm 13.38MB
  2032. Science/06 - Health and medicine - 06 - Respiratory system diseases/12 - Throat conditions - 03 - Tonsillopharyngitis - Complications, diagnosis, and treatment.webm 13.38MB
  2033. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/14 - Throat conditions - 03 - Tonsillopharyngitis - Complications, diagnosis, and treatment.webm 13.38MB
  2034. Math/11 - Algebra I - 01 - Introduction to algebra/02 - Variables and expressions - 08 - Examples of evaluating variable expressions.webm 13.37MB
  2035. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 05 - P_E discussion.webm 13.36MB
  2036. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 26 - Heat of formation.webm 13.34MB
  2037. Science/03 - Chemistry - 11 - Thermodynamics/02 - Enthalpy - 02 - Heat of formation.webm 13.34MB
  2038. Test prep/02 - MCAT - 04 - Physical processes/14 - Current and resistance - 05 - Resistivity and conductivity.webm 13.34MB
  2039. Science/03 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 07 - Exponential decay formula proof (can skip, involves calculus).webm 13.34MB
  2040. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 09 - Exponential decay formula proof (can skip, involves calculus).webm 13.34MB
  2041. Partner content/02 - Tate - 03 - Global modernisms/01 - Africa - 04 - Contested Terrains, Part 1.webm 13.34MB
  2042. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Cell potentials - 05 - Spontaneity and redox reactions.webm 13.33MB
  2043. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 09 - Spontaneity and redox reactions.webm 13.33MB
  2044. Arts and humanities/06 - Medieval Europe - 02 - Books and the dissemination of knowledge in medieval Europe/01 - Making the medieval book - 01 - Listening to the Medieval book.webm 13.33MB
  2045. Math/11 - Algebra I - 09 - Functions/03 - Domain and range - 06 - Domain and range of a function.webm 13.31MB
  2046. Math/14 - Algebra II - 02 - Functions and their graphs/03 - Domain and range - 07 - Domain and range of a function.webm 13.31MB
  2047. Arts and humanities/09 - Becoming modern - 02 - Romanticism/06 - United States - 03 - Cole, The Oxbow.webm 13.31MB
  2048. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./01 - Enlightenment and revolution - 05 - Cole, The Oxbow.webm 13.31MB
  2049. Arts and humanities/09 - Becoming modern - 02 - Romanticism/04 - England - 01 - Fuseli, Titania and Bottom.webm 13.30MB
  2050. Science/02 - Physics - 07 - Gravitation/01 - Newton's law of gravitation - 02 - Mass and weight clarification.webm 13.30MB
  2051. Math/17 - Precalculus - 02 - Matrices/06 - Inverting matrices - 12 - Singular matrices.webm 13.30MB
  2052. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/11 - The art of dress - 05 - 'Looming Change' with Melinda Watt.webm 13.30MB
  2053. Math/16 - Probability and statistics - 07 - Inferential statistics/06 - Hypothesis testing with two samples - 05 - Hypothesis test for difference of means.webm 13.30MB
  2054. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 17 - Renoir, The Large Bathers.webm 13.30MB
  2055. Partner content/18 - NASA - 02 - Measuring the Universe/02 - Measuring the solar system - 02 - Scale of solar system.webm 13.29MB
  2056. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/03 - Scale of earth, sun, galaxy and universe - 02 - Scale of solar system.webm 13.29MB
  2057. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/05 - Proof of Stokes' theorem - 07 - Stokes' theorem proof part 7.webm 13.29MB
  2058. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 03 - Conserving bronze_ 'The Lamp with Erotes from Vani'.webm 13.28MB
  2059. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/05 - Middle empire - 05 - Pair of Centaurs Fighting Cats of Prey from Hadrian's Villa, Tivoli.webm 13.28MB
  2060. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/03 - Change of basis - 03 - Invertible change of basis matrix.webm 13.28MB
  2061. Science/01 - Biology - 01 - Cellular and molecular biology/04 - Photosynthesis - 03 - Photosynthesis.webm 13.26MB
  2062. Test prep/02 - MCAT - 05 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 08 - Carbohydrate - Glycoside formation hydrolysis.webm 13.26MB
  2063. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 11 - Brainstem.webm 13.25MB
  2064. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 11 - Brainstem.webm 13.25MB
  2065. Math/11 - Algebra I - 01 - Introduction to algebra/01 - Overview and history of algebra - 03 - The beauty of algebra.webm 13.24MB
  2066. Math/17 - Precalculus - 08 - Limits/01 - Limit basics - 01 - Introduction to limits.webm 13.22MB
  2067. Math/18 - Differential calculus - 01 - Limits/01 - Limits - 01 - Introduction to limits.webm 13.22MB
  2068. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 01 - Introduction to blended learning/02 - Four different blended learning models - 05 - The Flex Model.webm 13.22MB
  2069. Test prep/02 - MCAT - 01 - Biomolecules/15 - Fat and protein metabolism - 10 - Overview of Amino Acid Metabolism.webm 13.22MB
  2070. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 04 - Formation of acetals.webm 13.20MB
  2071. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 07 - Formation of acetals.webm 13.20MB
  2072. Partner content/19 - Big History Project - 05 - 5. Life/02 - 5.1—How Did Life Begin and Change_ - 03 - Life In All Its Forms.webm 13.20MB
  2073. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 13 - Banking 13_ Open market operations.webm 13.20MB
  2074. Science/07 - Discoveries and projects - 02 - Reverse engineering/03 - DVD player - 03 - What is inside a DVD player_ (3 of 5).webm 13.19MB
  2075. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 06 - Van der waals forces.webm 13.18MB
  2076. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 11 - R-squared or coefficient of determination.webm 13.17MB
  2077. Science/06 - Health and medicine - 02 - Human anatomy and physiology/10 - Integumentary system introduction - 02 - What is skin_ (Epidermis).webm 13.16MB
  2078. Test prep/02 - MCAT - 03 - Organ systems/17 - Integumentary system - 02 - What is skin_ (Epidermis).webm 13.16MB
  2079. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/01 - Photography before 1970 - 04 - The development of photography and the railroad.webm 13.16MB
  2080. Math/07 - 8th grade (U.S.) - 05 - Geometry/04 - The Pythagorean theorem - 08 - Thiago asks_ How much time does a goalkeeper have to react to a penalty kick_.webm 13.15MB
  2081. Math/12 - Basic geometry - 07 - The Pythagorean theorem/01 - The Pythagorean theorem - 07 - Thiago asks_ How much time does a goalkeeper have to react to a penalty kick_.webm 13.15MB
  2082. Math/18 - Differential calculus - 02 - Taking derivatives/11 - Proofs of derivatives of common functions - 03 - Proofs of derivatives of ln(x) and e^x.webm 13.14MB
  2083. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/04 - Electrolytic cells and batteries - 03 - Electrolysis of molten sodium chloride.webm 13.14MB
  2084. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 17 - Electrolysis of molten sodium chloride.webm 13.14MB
  2085. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 11 - Ethics_ Utilitarianism Part 2.webm 13.14MB
  2086. Arts and humanities/07 - Renaissance and Reformation - 05 - Mannerism/01 - Mannerism - 01 - Pontormo, The Entombment of Christ.webm 13.13MB
  2087. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 12 - Pontormo, The Entombment of Christ.webm 13.13MB
  2088. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/03 - Flanders - 04 - Rubens, Arrival (or Disembarkation) of Marie de Medici at Marseilles, Medici Cycle.webm 13.13MB
  2089. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/03 - Fetal circulation - 07 - Double Bohr effect.webm 13.13MB
  2090. Test prep/02 - MCAT - 04 - Physical processes/12 - Kinetic molecular theory of gases - 02 - Heat capacity at constant volume and pressure.webm 13.12MB
  2091. Test prep/02 - MCAT - 02 - Cells/02 - Cell-cell interactions - 04 - G Protein Coupled Receptors.webm 13.12MB
  2092. Test prep/02 - MCAT - 03 - Organ systems/05 - Biosignaling - 03 - G Protein Coupled Receptors.webm 13.12MB
  2093. Math/03 - 4th grade (U.S.) - 05 - Geometry/01 - Basic geometry_ lines, line segments and rays - 01 - Euclid as the father of geometry.webm 13.12MB
  2094. Math/12 - Basic geometry - 01 - Lines/01 - Lines, line segments and rays - 01 - Euclid as the father of geometry.webm 13.12MB
  2095. Math/13 - Geometry - 01 - Introduction to Euclidean geometry/01 - Introduction to Euclidean geometry - 01 - Euclid as the father of geometry.webm 13.12MB
  2096. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 17 - Van der Weyden, Crucifixion, with the Virgin and Saint John.webm 13.10MB
  2097. Science/06 - Health and medicine - 14 - Lab values and concentrations/01 - Lab values and concentrations - 07 - Molarity vs. osmolarity.webm 13.10MB
  2098. Science/03 - Chemistry - 04 - Periodic table/01 - Introduction to the periodic table - 02 - Groups of the periodic table.webm 13.09MB
  2099. Partner content/18 - NASA - 02 - Measuring the Universe/04 - Spectroscopy - 02 - Infrared waves (1800).webm 13.09MB
  2100. Science/07 - Discoveries and projects - 04 - Lego robotics/05 - Programming basics - 07 - Variable block (counter).webm 13.09MB
  2101. Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 08 - Error correction.webm 13.08MB
  2102. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/07 - Synthesis using alkynes - 01 - Synthesis using alkynes.webm 13.08MB
  2103. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 07 - Hans Haacke, Seurat's 'Les Poseuses' (small version).webm 13.08MB
  2104. Partner content/02 - Tate - 02 - The art of inspiration/02 - Fashion meets art - 02 - Fashion meets art_ Preen inspired by David Hockney.webm 13.08MB
  2105. Science/06 - Health and medicine - 04 - Circulatory system diseases/12 - Vasculitis - 07 - Kawasaki disease_ diagnosis and treatment.webm 13.07MB
  2106. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/05 - Vasculitis - 07 - Kawasaki disease_ diagnosis and treatment.webm 13.07MB
  2107. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 07 - Re_ Visual multiplication and 48_2(9_3).webm 13.07MB
  2108. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/01 - History of life on earth - 02 - Beginnings of life.webm 13.07MB
  2109. Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 05 - Estate tax introduction.webm 13.07MB
  2110. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 03 - Nucleic acid structure 2.webm 13.07MB
  2111. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/03 - Dinosaur extinction - 01 - Were dinosaurs undergoing long-term decline before mass extinction_.webm 13.06MB
  2112. Test prep/02 - MCAT - 01 - Biomolecules/06 - Genetic mutations - 04 - Mutagens and carcinogens.webm 13.06MB
  2113. Science/06 - Health and medicine - 14 - Lab values and concentrations/01 - Lab values and concentrations - 04 - What is an equivalent_.webm 13.06MB
  2114. Arts and humanities/13 - South and East Asia - 01 - Imperial China/05 - Yuan dynasty (1271-1368) - 02 - The David Vases.webm 13.06MB
  2115. Test prep/07 - AP* Art History - 10 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E./01 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E. - 07 - The David Vases.webm 13.06MB
  2116. Arts and humanities/04 - Prehistoric art - 02 - Neolithic art/01 - Neolithic art - 01 - Bushel with ibex motifs.webm 13.06MB
  2117. Test prep/07 - AP* Art History - 03 - Global prehistory_ 30,000-500 B.C.E./01 - Paleolithic, Mesolithic and Neolithic - 01 - Bushel with ibex motifs.webm 13.06MB
  2118. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 04 - Bailout 4_ Mark-to-model vs. mark-to-market.webm 13.05MB
  2119. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 05 - Bailout 4_ Mark-to-model vs. mark-to-market.webm 13.05MB
  2120. Science/04 - Organic chemistry - 14 - Spectroscopy/01 - Infrared Spectroscopy - 04 - IR spectra for hydrocarbons.webm 13.05MB
  2121. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 04 - IR spectra for hydrocarbons.webm 13.05MB
  2122. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 09 - Oxygen content.webm 13.05MB
  2123. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/06 - Heart muscle contraction - 07 - Why doesn't the heart rip_.webm 13.05MB
  2124. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/09 - Preload and afterload - 01 - Why doesn't the heart rip_.webm 13.05MB
  2125. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 12 - Why doesn't the heart rip_.webm 13.05MB
  2126. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/04 - Orthonormal bases and the Gram-Schmidt process - 08 - Gram-Schmidt process example.webm 13.05MB
  2127. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/02 - Blood pressure control - 06 - Angiotensin 2 raises blood pressure.webm 13.05MB
  2128. Test prep/02 - MCAT - 03 - Organ systems/13 - Renal regulation of blood pressure - 04 - Angiotensin 2 raises blood pressure.webm 13.05MB
  2129. Test prep/03 - NCLEX-RN - 10 - Renal system/02 - Renal regulation of blood pressure - 04 - Angiotensin 2 raises blood pressure.webm 13.05MB
  2130. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 14 - Doppler effect for a moving observer.webm 13.03MB
  2131. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/01 - Art and the French state - 01 - Garnier, Paris Opéra.webm 13.03MB
  2132. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 08 - IIT JEE algebraic manipulation.webm 13.03MB
  2133. Science/06 - Health and medicine - 06 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 05 - What is sinusitis_.webm 13.02MB
  2134. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 05 - What is sinusitis_.webm 13.02MB
  2135. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 06 - Formation of imines and enamines.webm 13.02MB
  2136. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 09 - Formation of imines and enamines.webm 13.02MB
  2137. Partner content/14 - MIT_K12 - 03 - Materials/01 - Materials - 01 - What's all the matter_ Atoms and Molecules.webm 13.01MB
  2138. Math/22 - Linear algebra - 02 - Matrix transformations/06 - More determinant depth - 01 - Determinant when row multiplied by scalar.webm 13.00MB
  2139. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/05 - Eigen-everything - 07 - Showing that an eigenbasis makes for good coordinate systems.webm 13.00MB
  2140. Science/07 - Discoveries and projects - 09 - Discovery Lab 2012/01 - Discovery Lab 2012 - 02 - DLab_ Students present their reverse engineering project.webm 13.00MB
  2141. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/01 - Line integrals for scalar functions - 02 - Line integral example 1.webm 12.99MB
  2142. Partner content/05 - The J. Paul Getty Museum - 02 - A brief history of glassmaking/01 - A brief history of glassmaking - 05 - Glassmaking technique_ mosaic glass.webm 12.99MB
  2143. Math/14 - Algebra II - 03 - Polynomial and rational functions/14 - Partial fraction expansion - 01 - Partial fraction expansion 1.webm 12.99MB
  2144. Math/14 - Algebra II - 04 - Rational expressions/04 - Partial fraction expansion - 01 - Partial fraction expansion 1.webm 12.99MB
  2145. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 11 - Titian, Pieta.webm 12.99MB
  2146. Science/03 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 08 - Electron affinity.webm 12.98MB
  2147. Test prep/02 - MCAT - 04 - Physical processes/27 - Periodic table - 09 - Electron affinity.webm 12.98MB
  2148. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/01 - A beginner's guide to Renaissance Florence - 02 - Linear Perspective_ Brunelleschi's Experiment.webm 12.97MB
  2149. Arts and humanities/09 - Becoming modern - 02 - Romanticism/05 - Germany - 02 - Friedrich, Abbey among Oak Trees.webm 12.97MB
  2150. Math/11 - Algebra I - 07 - Quadratic equations/08 - Quadratic odds and ends - 10 - CA Algebra I_ Quadratic roots.webm 12.97MB
  2151. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 10 - Monet, Cliff Walk at Pourville.webm 12.96MB
  2152. Science/03 - Chemistry - 03 - Electronic structure of atoms/02 - Quantum numbers and orbitals - 02 - Quantum numbers.webm 12.96MB
  2153. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 09 - Quantum numbers.webm 12.96MB
  2154. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 15 - Jacob Monod lac operon.webm 12.96MB
  2155. Math/13 - Geometry - 07 - Circles/02 - Central, inscribed and circumscribed angles - 01 - Inscribed and central angles.webm 12.96MB
  2156. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/01 - Introduction to economics - 01 - Introduction to economics.webm 12.95MB
  2157. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/01 - Introduction to economics - 01 - Introduction to economics.webm 12.95MB
  2158. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 11 - Protein translation 2.webm 12.95MB
  2159. Science/04 - Organic chemistry - 01 - General chemistry review/02 - Hybridization - 01 - sp3 hybridized orbitals and sigma bonds.webm 12.95MB
  2160. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 11 - Rachel Ruysch, Fruit and Insects.webm 12.95MB
  2161. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./04 - Protestant Reformation and Catholic Counter-Reformation - 09 - Rachel Ruysch, Fruit and Insects.webm 12.95MB
  2162. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/03 - Change of basis - 05 - Alternate basis transformation matrix example.webm 12.95MB
  2163. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 06 - Lois Weber and Phillips Smalley, 'Suspense'.webm 12.95MB
  2164. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 15 - Fallacies_ Ad hominem.webm 12.94MB
  2165. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 09 - Flu vaccine efficacy.webm 12.94MB
  2166. Test prep/02 - MCAT - 01 - Biomolecules/06 - Genetic mutations - 03 - The causes of genetic mutations.webm 12.94MB
  2167. Test prep/02 - MCAT - 01 - Biomolecules/13 - Carbohydrate Metabolism - 04 - Gluconeogenesis_ unique reactions.webm 12.93MB
  2168. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 05 - Geithner plan 5.webm 12.92MB
  2169. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 21 - Systemic thinking about cancer.webm 12.92MB
  2170. Test prep/02 - MCAT - 02 - Cells/07 - Viruses - 01 - Virus structure and classification.webm 12.92MB
  2171. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/12 - Transformations - 04 - 'Breakthrough' with Thomas P. Campbell.webm 12.91MB
  2172. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/05 - Free radical reaction - 01 - Free radical reactions.webm 12.91MB
  2173. Arts and humanities/06 - Medieval Europe - 01 - A beginner's guide to medieval Europe/01 - A beginner's guide to medieval Europe - 05 - Chivalry in the Middle Ages.webm 12.90MB
  2174. Partner content/05 - The J. Paul Getty Museum - 03 - Manuscripts/01 - Manuscripts - 04 - Chivalry in the Middle Ages.webm 12.90MB
  2175. Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 02 - Cupcake economics 2.webm 12.89MB
  2176. Partner content/18 - NASA - 02 - Measuring the Universe/04 - Spectroscopy - 01 - Visible light (1672).webm 12.89MB
  2177. Partner content/02 - Tate - 04 - Performance and participation/03 - Participation - 04 - Ryan Gander_ Locked Room Scenario.webm 12.88MB
  2178. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 03 - Metaphysics_ Mind-Body Dualism.webm 12.88MB
  2179. Science/06 - Health and medicine - 04 - Circulatory system diseases/08 - Heart valve diseases - 04 - Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 1.webm 12.88MB
  2180. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/09 - Heart valve diseases - 04 - Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 1.webm 12.88MB
  2181. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 18 - Banking 18_ Big picture discussion.webm 12.87MB
  2182. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 11 - Obstructive shock.webm 12.87MB
  2183. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 11 - Obstructive shock.webm 12.87MB
  2184. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 06 - Equity vs. debt.webm 12.87MB
  2185. Test prep/07 - AP* Art History - 10 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E./01 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E. - 04 - Longmen Grottoes (UNESCO_NHK).webm 12.87MB
  2186. Math/11 - Algebra I - 07 - Quadratic equations/03 - Completing the square - 01 - Solving quadratic equations by completing the square.webm 12.86MB
  2187. Math/14 - Algebra II - 03 - Polynomial and rational functions/02 - Completing the square and the quadratic formula - 02 - Solving quadratic equations by completing the square.webm 12.86MB
  2188. Math/17 - Precalculus - 02 - Matrices/06 - Inverting matrices - 05 - Matrices to solve a vector combination problem.webm 12.86MB
  2189. Science/03 - Chemistry - 05 - Chemical bonds/02 - Dot structures - 09 - VSEPR for 6 electron clouds.webm 12.86MB
  2190. Test prep/02 - MCAT - 05 - Chemical processes/04 - Dot structures - 09 - VSEPR for 6 electron clouds.webm 12.86MB
  2191. Partner content/03 - The British Museum - 07 - Contemporary Sculptors at the British Museum/01 - Contemporary Sculptors at the British Museum - 03 - Damien Hirst's Cornucopia at the British Museum.webm 12.85MB
  2192. Math/13 - Geometry - 07 - Circles/04 - Area of inscribed triangle - 03 - Area of inscribed equilateral triangle (some basic trig used).webm 12.85MB
  2193. Math/08 - Arithmetic - 01 - Addition and subtraction/02 - Adding and subtracting within 20 - 02 - Subtraction 2.webm 12.84MB
  2194. Science/06 - Health and medicine - 04 - Circulatory system diseases/10 - Cyanotic heart diseases - 04 - Tetralogy of fallot.webm 12.84MB
  2195. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/04 - Cyanotic heart diseases - 04 - Tetralogy of fallot.webm 12.84MB
  2196. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 04 - Chilling water problem.webm 12.84MB
  2197. Partner content/02 - Tate - 02 - The art of inspiration/01 - Film meets art - 01 - Film meets art_ Mike Leigh inspired by JMW Turner.webm 12.83MB
  2198. Science/07 - Discoveries and projects - 02 - Reverse engineering/03 - DVD player - 05 - What is inside a DVD player_ (5 of 5).webm 12.83MB
  2199. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 29 - Gibbs free energy example.webm 12.83MB
  2200. Science/03 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 02 - Gibbs free energy example.webm 12.83MB
  2201. Science/06 - Health and medicine - 06 - Respiratory system diseases/14 - Bronchiolitis - 03 - Bronchiolitis diagnosis.webm 12.82MB
  2202. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/06 - Bronchiolitis - 03 - Bronchiolitis diagnosis.webm 12.82MB
  2203. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/07 - Heart depolarization - 11 - New perspective on the heart.webm 12.81MB
  2204. Math/22 - Linear algebra - 02 - Matrix transformations/07 - Transpose of a matrix - 09 - Showing that A-transpose x A is invertible.webm 12.81MB
  2205. Test prep/02 - MCAT - 02 - Cells/05 - Cytoskeleton - 03 - Microtubules.webm 12.81MB
  2206. Math/17 - Precalculus - 08 - Limits/01 - Limit basics - 07 - Limit examples w_ brain malfunction on first prob (part 4).webm 12.81MB
  2207. Math/18 - Differential calculus - 01 - Limits/05 - Old limits tutorial - 05 - Limit examples w_ brain malfunction on first prob (part 4).webm 12.81MB
  2208. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 09 - Results of first drilling.webm 12.81MB
  2209. Science/06 - Health and medicine - 06 - Respiratory system diseases/12 - Throat conditions - 01 - Tonsillitis.webm 12.81MB
  2210. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/14 - Throat conditions - 01 - Tonsillitis.webm 12.81MB
  2211. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/01 - Buffer solutions - 02 - Common ion effect.webm 12.80MB
  2212. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 11 - Common ion effect.webm 12.80MB
  2213. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 10 - Common ion effect.webm 12.80MB
  2214. Science/06 - Health and medicine - 04 - Circulatory system diseases/01 - Coronary artery disease - 08 - Healing after a heart attack (myocardial infarction).webm 12.80MB
  2215. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/01 - Coronary artery disease - 08 - Healing after a heart attack (myocardial infarction).webm 12.80MB
  2216. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 01 - Pre-Raphaelites_ Curator's choice - Millais's Isabella.webm 12.80MB
  2217. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/01 - US Declaration of Independence - 02 - All men are created equal.webm 12.80MB
  2218. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/01 - The Declaration of Independence - 03 - All men are created equal.webm 12.80MB
  2219. Arts and humanities/09 - Becoming modern - 02 - Romanticism/04 - England - 03 - Constable, View on the Stour near Dedham.webm 12.79MB
  2220. Science/03 - Chemistry - 05 - Chemical bonds/03 - Hybridization and hybrid orbitals - 03 - Sp2 hybridization.webm 12.79MB
  2221. Science/04 - Organic chemistry - 01 - General chemistry review/03 - Hybrid orbitals - 03 - Sp2 hybridization.webm 12.79MB
  2222. Test prep/02 - MCAT - 05 - Chemical processes/06 - Covalent bonds - 06 - Sp2 hybridization.webm 12.79MB
  2223. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/03 - Exponent properties - 01 - Exponent properties involving products.webm 12.78MB
  2224. Math/10 - Algebra basics - 06 - Expressions and equations with exponents/02 - Exponent properties - 01 - Exponent properties involving products.webm 12.78MB
  2225. Arts and humanities/09 - Becoming modern - 07 - America_ Civil War to the Gilded Age/01 - America_ Civil War to the Gilded Age - 03 - Cassatt, In the Loge.webm 12.77MB
  2226. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 09 - Balancing redox reactions in acid.webm 12.77MB
  2227. Test prep/02 - MCAT - 04 - Physical processes/30 - Redox reactions - 03 - Balancing redox reactions in acid.webm 12.77MB
  2228. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 09 - Fundamentals_ Validity.webm 12.77MB
  2229. Test prep/02 - MCAT - 01 - Biomolecules/12 - Carbohydrates - 03 - Carbohydrates - Cyclic structures and anomers.webm 12.76MB
  2230. Test prep/02 - MCAT - 05 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 07 - Carbohydrates - Cyclic structures and anomers.webm 12.76MB
  2231. Math/13 - Geometry - 06 - Perimeter, area, and volume/04 - Heron's formula - 03 - Part 2 of proof of Heron's formula.webm 12.76MB
  2232. Science/07 - Discoveries and projects - 02 - Reverse engineering/04 - Digital camera - 02 - What is inside a digital camera_ (2 of 2).webm 12.75MB
  2233. Math/08 - Arithmetic - 02 - Multiplication and division/02 - Basic multiplication - 05 - Multiplication 3_ 10,11,12 times tables.webm 12.74MB
  2234. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/09 - Rise of Mussolini and Fascism - 02 - Mussolini becomes Prime Minister.webm 12.74MB
  2235. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/02 - Neuron membrane potentials - 07 - Effects of axon diameter and myelination.webm 12.74MB
  2236. Test prep/02 - MCAT - 03 - Organ systems/03 - Neuron membrane potentials - 07 - Effects of axon diameter and myelination.webm 12.74MB
  2237. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 15 - Motor unit.webm 12.73MB
  2238. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 03 - Motor unit.webm 12.73MB
  2239. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 03 - Motor unit.webm 12.73MB
  2240. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 09 - Self vs. non-self immunity.webm 12.73MB
  2241. Test prep/02 - MCAT - 03 - Organ systems/11 - Immune system - 09 - Self vs. non-self immunity.webm 12.73MB
  2242. Test prep/03 - NCLEX-RN - 09 - Immune system/01 - Immune system - 09 - Self vs. non-self immunity.webm 12.73MB
  2243. Science/03 - Chemistry - 08 - Chemical equilibrium/03 - Spectrophotometry - 01 - Spectrophotometry introduction.webm 12.72MB
  2244. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 07 - Hawaiian islands formation.webm 12.72MB
  2245. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 17 - Muscle stretch reflex.webm 12.72MB
  2246. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 05 - Muscle stretch reflex.webm 12.72MB
  2247. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 05 - Muscle stretch reflex.webm 12.72MB
  2248. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 04 - Geithner plan 4.webm 12.71MB
  2249. Arts and humanities/10 - Age of global conflict - 08 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 06 - Richard Serra, 'Intersection II,' 1992.webm 12.71MB
  2250. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 07 - Richard Serra, 'Intersection II,' 1992.webm 12.71MB
  2251. Partner content/02 - Tate - 02 - The art of inspiration/01 - Film meets art - 03 - Film meets art_ Ken Loach inspired by William Hogarth.webm 12.71MB
  2252. Test prep/02 - MCAT - 07 - Behavior/03 - Behavior and genetics - 06 - Adaptive value of behavioral traits.webm 12.70MB
  2253. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/07 - Hellenistic - 05 - Apollonius, Seated Boxer.webm 12.69MB
  2254. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 17 - Apollonius, Seated Boxer.webm 12.69MB
  2255. Math/19 - Integral calculus - 02 - Integration techniques/01 - Integration by parts - 06 - Challenging definite integration.webm 12.69MB
  2256. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/02 - Retirement accounts_ IRAs and 401ks - 01 - Traditional IRAs.webm 12.69MB
  2257. Test prep/02 - MCAT - 05 - Chemical processes/10 - Carbohydrates - 02 - Carbohydrates - cyclic structures and anomers.webm 12.69MB
  2258. Partner content/09 - Asian Art Museum - 05 - China/01 - China - 10 - The Forbidden City.webm 12.69MB
  2259. Math/13 - Geometry - 03 - Congruence/02 - Congruence postulates - 03 - Other triangle congruence postulates.webm 12.69MB
  2260. Test prep/02 - MCAT - 01 - Biomolecules/03 - Enzyme kinetics - 07 - Covalent modifications to enzymes.webm 12.68MB
  2261. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 02 - Geithner plan 2.webm 12.67MB
  2262. Science/06 - Health and medicine - 06 - Respiratory system diseases/08 - Pneumonia - 01 - What is pneumonia_.webm 12.67MB
  2263. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/08 - Pneumonia - 01 - What is pneumonia_.webm 12.67MB
  2264. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 07 - Transcription 1.webm 12.67MB
  2265. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/18 - Beth Schmidt - Founder of Wishbone.org - 03 - An invitation for innovation.webm 12.66MB
  2266. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/02 - Intercepts of linear functions - 02 - Graphing using intercepts.webm 12.66MB
  2267. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/03 - x-intercepts and y-intercepts of linear functions - 02 - Graphing using intercepts.webm 12.66MB
  2268. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/06 - Nomenclature and preparation of epoxides - 03 - Preparation of epoxides_ Stereochemistry.webm 12.66MB
  2269. Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 07 - Time space tradeoff.webm 12.66MB
  2270. Math/13 - Geometry - 08 - Special properties and parts of triangles/03 - Medians and centroids - 02 - Triangle medians and centroids (2D proof).webm 12.66MB
  2271. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/07 - Heart depolarization - 07 - Electrical system of the heart.webm 12.66MB
  2272. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/02 - Photography after 1970 - 03 - David Hockney's 'Pearblossom Hwy'.webm 12.65MB
  2273. Math/16 - Probability and statistics - 07 - Inferential statistics/08 - Analysis of variance - 03 - ANOVA 3_ Hypothesis test with F-statistic.webm 12.65MB
  2274. Science/02 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 01 - Inclined plane force components.webm 12.64MB
  2275. Test prep/02 - MCAT - 04 - Physical processes/07 - Forces on inclined planes - 01 - Inclined plane force components.webm 12.64MB
  2276. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 32 - Stoichiometry example problem 1.webm 12.64MB
  2277. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/02 - Stoichiometry - 02 - Stoichiometry example problem 1.webm 12.64MB
  2278. Test prep/02 - MCAT - 04 - Physical processes/28 - Stoichiometry - 05 - Stoichiometry example problem 1.webm 12.64MB
  2279. Partner content/09 - Asian Art Museum - 07 - Japan/01 - Japan - 04 - The Buddhist guardian deity_ Fudo Myoo.webm 12.64MB
  2280. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 13 - Framing 'Christina's World' by Andrew Wyeth.webm 12.63MB
  2281. Partner content/04 - The Museum of Modern Art - 03 - Behind the scenes at MoMA/01 - Behind the scenes at MoMA - 02 - Framing 'Christina's World' by Andrew Wyeth.webm 12.63MB
  2282. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/04 - Labor and marginal product revenue - 01 - A firm's marginal product revenue curve.webm 12.63MB
  2283. Math/23 - Recreational math - 01 - Doodling in Math and more/01 - Spirals, Fibonacci and being a plant - 05 - Angle-a-trons.webm 12.62MB
  2284. Math/16 - Probability and statistics - 03 - Statistical studies/02 - Types of statistical studies - 02 - Correlation and causality.webm 12.62MB
  2285. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 01 - Correlation and causality.webm 12.62MB
  2286. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/01 - A beginner's guide to the High Renaissance - 01 - Toward the high Renaissance_ Verrocchio and Leonardo.webm 12.62MB
  2287. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/03 - Republic - 02 - Capitoline Brutus.webm 12.62MB
  2288. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/08 - Nerve regulation of the heart - 03 - Increasing ventricular contractility - inotropic effect.webm 12.62MB
  2289. Science/06 - Health and medicine - 06 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 01 - Types of pulmonary diseases.webm 12.61MB
  2290. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 01 - Types of pulmonary diseases.webm 12.61MB
  2291. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 12 - Cezanne, The Large Bathers.webm 12.61MB
  2292. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 01 - Oxidation and reduction.webm 12.61MB
  2293. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 02 - Projectile at an angle.webm 12.60MB
  2294. Test prep/02 - MCAT - 04 - Physical processes/13 - Electrostatics - 01 - Triboelectric effect and charge.webm 12.60MB
  2295. Science/06 - Health and medicine - 04 - Circulatory system diseases/05 - Myocarditis and pericarditis - 06 - Myocarditis and pericarditis treatment.webm 12.59MB
  2296. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 06 - Myocarditis and pericarditis treatment.webm 12.59MB
  2297. Partner content/05 - The J. Paul Getty Museum - 09 - Drawings/01 - Drawings - 01 - Drawings.webm 12.58MB
  2298. Science/03 - Chemistry - 04 - Periodic table/01 - Introduction to the periodic table - 05 - The periodic table - valence electrons.webm 12.58MB
  2299. Test prep/02 - MCAT - 04 - Physical processes/27 - Periodic table - 04 - The periodic table - valence electrons.webm 12.58MB
  2300. Test prep/02 - MCAT - 01 - Biomolecules/02 - Enzyme structure and function - 02 - Enzymes and activation energy.webm 12.57MB
  2301. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/03 - Basic probability - 06 - Finding probablity example 2.webm 12.57MB
  2302. Math/16 - Probability and statistics - 01 - Independent and dependent events/01 - Basic probability - 04 - Finding probablity example 2.webm 12.57MB
  2303. Math/17 - Precalculus - 05 - Probability and combinatorics/01 - Basic probability - 03 - Finding probablity example 2.webm 12.57MB
  2304. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/17 - Calvin Carter - Founder of Bottle Rocket Apps - 03 - The excitement of making something.webm 12.56MB
  2305. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 05 - Bailout 5_ Paying off the debt.webm 12.56MB
  2306. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 06 - Bailout 5_ Paying off the debt.webm 12.56MB
  2307. Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 06 - Inflation and deflation 3_ Obama stimulus plan.webm 12.55MB
  2308. Arts and humanities/12 - Arts of the Islamic world - 02 - Early period/01 - Early period - 01 - Kairouan (from UNESCO).webm 12.54MB
  2309. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/09 - Preload and afterload - 08 - What is afterload_.webm 12.54MB
  2310. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/11 - Changing the PV loop - 02 - What is afterload_.webm 12.54MB
  2311. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/02 - Conformations - 04 - Double Newman diagram for methylcyclohexane.webm 12.54MB
  2312. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/05 - Sound (Audition) - 01 - Auditory structure - part 1.webm 12.54MB
  2313. Test prep/02 - MCAT - 06 - Processing the environment/03 - Sound (Audition) - 01 - Auditory structure - part 1.webm 12.54MB
  2314. Partner content/03 - The British Museum - 04 - Europe/02 - Ancient Rome - 02 - Hadrian, The power of image.webm 12.53MB
  2315. Science/06 - Health and medicine - 02 - Human anatomy and physiology/02 - Respiratory system introduction - 05 - How does lung volume change_.webm 12.53MB
  2316. Test prep/02 - MCAT - 03 - Organ systems/09 - Respiratory system - 03 - How does lung volume change_.webm 12.53MB
  2317. Test prep/03 - NCLEX-RN - 04 - Respiratory system/01 - Respiratory system - 03 - How does lung volume change_.webm 12.53MB
  2318. Science/03 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 04 - Using the Arrhenius equation.webm 12.53MB
  2319. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 16 - Using the Arrhenius equation.webm 12.53MB
  2320. Arts and humanities/08 - Monarchy and enlightenment - 03 - Neo-Classicism/01 - Neo-Classicism - 01 - David, Oath of the Horatii.webm 12.53MB
  2321. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./01 - Enlightenment and revolution - 02 - David, Oath of the Horatii.webm 12.53MB
  2322. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 04 - Leonardo, Adoration of the Magi.webm 12.53MB
  2323. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 16 - Precocious puberty.webm 12.52MB
  2324. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/02 - Blood pressure control - 01 - Regulation of blood pressure with baroreceptors.webm 12.52MB
  2325. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 13 - Sum of polynomial roots (proof).webm 12.52MB
  2326. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/03 - Fetal circulation - 10 - Fetal structures in an adult.webm 12.52MB
  2327. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 21 - Cerebral cortex.webm 12.51MB
  2328. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 13 - Cerebral cortex.webm 12.51MB
  2329. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 13 - Cerebral cortex.webm 12.51MB
  2330. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/02 - Blood pressure control - 05 - Activating angiotensin 2.webm 12.51MB
  2331. Test prep/02 - MCAT - 03 - Organ systems/13 - Renal regulation of blood pressure - 03 - Activating angiotensin 2.webm 12.51MB
  2332. Test prep/03 - NCLEX-RN - 10 - Renal system/02 - Renal regulation of blood pressure - 03 - Activating angiotensin 2.webm 12.51MB
  2333. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/06 - Persian - 02 - Capital of a column from the audience hall of the palace of Darius I, Susa.webm 12.50MB
  2334. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./01 - Ancient Near East - 05 - Capital of a column from the audience hall of the palace of Darius I, Susa.webm 12.50MB
  2335. Science/03 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 04 - Definition of pH.webm 12.50MB
  2336. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 04 - Definition of pH.webm 12.50MB
  2337. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 03 - Definition of pH.webm 12.50MB
  2338. Test prep/02 - MCAT - 08 - Individuals and society/01 - Self-identity - 08 - Social influences.webm 12.50MB
  2339. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/02 - GDP and the circular flow of income and expenditures - 02 - Parsing gross domestic product.webm 12.49MB
  2340. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 05 - Mathematics_ Sizes of infinity part 2_ Getting real.webm 12.48MB
  2341. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 14 - Bailout 14_ Possible solution.webm 12.48MB
  2342. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 15 - Bailout 14_ Possible solution.webm 12.48MB
  2343. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 08 - Mantoux test (aka. PPD or TST).webm 12.48MB
  2344. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 08 - Mantoux test (aka. PPD or TST).webm 12.48MB
  2345. Test prep/02 - MCAT - 01 - Biomolecules/03 - Enzyme kinetics - 01 - An introduction to enzyme kinetics.webm 12.48MB
  2346. Test prep/02 - MCAT - 05 - Chemical processes/16 - Enzymes - 04 - An introduction to enzyme kinetics.webm 12.48MB
  2347. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/06 - Factoring by grouping - 01 - Factor by grouping and factoring completely.webm 12.48MB
  2348. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/01 - History of life on earth - 03 - Ozone layer and eukaryotes show up in the Proterozoic eon.webm 12.47MB
  2349. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/15 - LaKeshia Grant - CEO and Founder of Virtual Enterprise Architects - 02 - Business and Family.webm 12.47MB
  2350. Science/03 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 06 - Strong acids and strong bases.webm 12.46MB
  2351. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 05 - Strong acids and strong bases.webm 12.46MB
  2352. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 04 - Strong acids and strong bases.webm 12.46MB
  2353. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/11 - Dave Smith - CEO and Founder of TekScape IT - 01 - Developing Value for the Product.webm 12.46MB
  2354. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 04 - Oil paint in Venice.webm 12.46MB
  2355. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/01 - Early Renaissance in Venice - 01 - Oil paint in Venice.webm 12.46MB
  2356. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/05 - Zach Kaplan - CEO of Inventables - 02 - Zach Kaplan - Digital manufacturing revolution.webm 12.46MB
  2357. Test prep/02 - MCAT - 07 - Behavior/06 - Motivation and attitudes - 07 - Attitude influences behavior.webm 12.45MB
  2358. Test prep/02 - MCAT - 07 - Behavior/11 - Theories of attitude and behavior change - 02 - Attitude influences behavior.webm 12.45MB
  2359. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 09 - Egyptian blue on the Parthenon sculptures.webm 12.45MB
  2360. Partner content/03 - The British Museum - 04 - Europe/01 - Ancient Greece - 05 - Egyptian blue on the Parthenon sculptures.webm 12.45MB
  2361. Partner content/02 - Tate - 02 - The art of inspiration/03 - Literature meets art - 02 - Poetry meets art_ George the Poet inspired by Paul Graham.webm 12.44MB
  2362. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 05 - Hyperplasia in colon tissue.webm 12.43MB
  2363. Test prep/02 - MCAT - 04 - Physical processes/11 - Gas phase - 05 - Boyle's law.webm 12.43MB
  2364. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/18 - Beth Schmidt - Founder of Wishbone.org - 01 - Students wishes come true.webm 12.43MB
  2365. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/07 - Hellenistic - 01 - Barberini Faun.webm 12.43MB
  2366. Science/06 - Health and medicine - 14 - Lab values and concentrations/01 - Lab values and concentrations - 10 - Tonicity - comparing 2 solutions.webm 12.42MB
  2367. Science/03 - Chemistry - 05 - Chemical bonds/01 - Types of chemical bonds - 04 - Metallic nature.webm 12.42MB
  2368. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 13 - Distance between planes.webm 12.41MB
  2369. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 36 - Distance between planes.webm 12.41MB
  2370. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 14 - Birthday probability problem.webm 12.41MB
  2371. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 14 - Birthday probability problem.webm 12.41MB
  2372. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/03 - Binomial distribution - 01 - Binomial distribution.webm 12.41MB
  2373. Arts and humanities/08 - Monarchy and enlightenment - 02 - Rococo/01 - Rococo - 03 - Unlocking an 18th-century French mechanical table.webm 12.40MB
  2374. Partner content/05 - The J. Paul Getty Museum - 06 - Decorative arts/01 - Decorative arts - 01 - Unlocking an 18th-century French mechanical table.webm 12.40MB
  2375. Partner content/05 - The J. Paul Getty Museum - 06 - Decorative arts/01 - Decorative arts - 02 - Unlocking an 18th-century French mechanical table.webm 12.40MB
  2376. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/03 - Solubility equilibria - 03 - Solubility product constant from the solubility.webm 12.40MB
  2377. Test prep/02 - MCAT - 05 - Chemical processes/03 - Solubility equilibria - 03 - Solubility product constant from the solubility.webm 12.40MB
  2378. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/03 - Cubism and its impact - 02 - Braque, The Viaduct at L'Estaque.webm 12.39MB
  2379. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 08 - Fundamentals_ Truth and Validity.webm 12.39MB
  2380. Math/07 - 8th grade (U.S.) - 05 - Geometry/04 - The Pythagorean theorem - 01 - Pythagorean theorem.webm 12.38MB
  2381. Math/12 - Basic geometry - 07 - The Pythagorean theorem/01 - The Pythagorean theorem - 01 - Pythagorean theorem.webm 12.38MB
  2382. Math/13 - Geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 01 - Pythagorean theorem.webm 12.38MB
  2383. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/05 - Keynesian thinking - 01 - Keynesian economics.webm 12.38MB
  2384. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 01 - Introduction to waves.webm 12.38MB
  2385. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/01 - Line integrals for scalar functions - 03 - Line integral example 2 (part 1).webm 12.38MB
  2386. Arts and humanities/11 - Toward a global culture - 01 - A beginner's guide to contemporary art/01 - A beginner's guide to contemporary art - 01 - Damien Hirst, The Physical Impossibility of Death in the Mind of Someone Living.webm 12.38MB
  2387. Partner content/03 - The British Museum - 07 - Contemporary Sculptors at the British Museum/01 - Contemporary Sculptors at the British Museum - 02 - Tim Noble and Sue Webster, Dark Stuff, at the British Museum.webm 12.37MB
  2388. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/04 - Sn1_Sn2_E1_E2 - 01 - Comparing E2, E1, Sn2, Sn1 reactions.webm 12.37MB
  2389. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/03 - Formal charge and resonance - 02 - Formal charge II.webm 12.36MB
  2390. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 08 - Capacitance.webm 12.36MB
  2391. Test prep/02 - MCAT - 04 - Physical processes/15 - Capacitors - 02 - Capacitance.webm 12.36MB
  2392. Science/02 - Physics - 07 - Gravitation/01 - Newton's law of gravitation - 04 - Would a brick or feather fall faster_.webm 12.36MB
  2393. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 03 - Going back to the till_ Series B.webm 12.36MB
  2394. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/05 - Negative and fractional exponents - 03 - Zero, negative, and fractional exponents.webm 12.36MB
  2395. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/04 - Sn1_Sn2_E1_E2 - 03 - E2 E1 Sn2 Sn1 reactions example 3.webm 12.35MB
  2396. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 01 - Electromagnetic waves and the electromagnetic spectrum.webm 12.35MB
  2397. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 10 - Ozonolysis.webm 12.35MB
  2398. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 18 - Rational inequalities 2.webm 12.34MB
  2399. Math/14 - Algebra II - 04 - Rational expressions/05 - Solving rational equations - 11 - Rational inequalities 2.webm 12.34MB
  2400. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 12 - Preventing TB using the '4 I's'.webm 12.34MB
  2401. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 12 - Preventing TB using the '4 I's'.webm 12.34MB
  2402. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 33 - 2010 IIT JEE Paper 1 Problem 50_ Hyperbola eccentricity.webm 12.34MB
  2403. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 04 - Budget line.webm 12.33MB
  2404. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/02 - Consumption function - 02 - Generalized linear consumption function.webm 12.33MB
  2405. Math/17 - Precalculus - 06 - Sequences, series and induction/06 - Advanced sequences and series - 02 - Series sum example.webm 12.33MB
  2406. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 38 - Series sum example.webm 12.33MB
  2407. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/02 - Graphing solutions to equations - 05 - Graphs of linear equations.webm 12.32MB
  2408. Math/16 - Probability and statistics - 07 - Inferential statistics/07 - Chi-square probability distribution - 02 - Pearson's chi square test (goodness of fit).webm 12.32MB
  2409. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 13 - Multiple examples of multiple constraint problems.webm 12.31MB
  2410. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 09 - The genetic code.webm 12.31MB
  2411. Science/06 - Health and medicine - 04 - Circulatory system diseases/08 - Heart valve diseases - 09 - Valvular heart disease diagnosis and treatment.webm 12.31MB
  2412. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/09 - Heart valve diseases - 09 - Valvular heart disease diagnosis and treatment.webm 12.31MB
  2413. Partner content/04 - The Museum of Modern Art - 07 - Performance Art/01 - Performance Art - 07 - Marina Abramović_ Teaching the next generation.webm 12.31MB
  2414. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/02 - Shorting stock - 04 - Is short selling bad_.webm 12.30MB
  2415. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 05 - Discovery_ Streambed.webm 12.30MB
  2416. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 16 - 2003 AIME II problem 10.webm 12.29MB
  2417. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 06 - Ethics_ God and morality part 2.webm 12.29MB
  2418. Math/14 - Algebra II - 08 - Conic sections/06 - Conics from equations - 02 - Identifying a hyperbola from an equation.webm 12.29MB
  2419. Test prep/02 - MCAT - 05 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 05 - Fischer projections.webm 12.29MB
  2420. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 04 - Shock - diagnosis and treatment.webm 12.29MB
  2421. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 03 - Shock - diagnosis and treatment.webm 12.29MB
  2422. Science/02 - Physics - 06 - Moments, torque, and angular momentum/01 - Torque, moments, and angular momentum - 03 - Moments.webm 12.29MB
  2423. Science/06 - Health and medicine - 02 - Human anatomy and physiology/02 - Respiratory system introduction - 02 - People and plants.webm 12.28MB
  2424. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 12 - Bailout 12_ Lone Star transaction.webm 12.28MB
  2425. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 13 - Bailout 12_ Lone Star transaction.webm 12.28MB
  2426. Science/06 - Health and medicine - 04 - Circulatory system diseases/01 - Coronary artery disease - 09 - Complications after a heart attack (myocardial infarction).webm 12.28MB
  2427. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/01 - Coronary artery disease - 09 - Complications after a heart attack (myocardial infarction).webm 12.28MB
  2428. Math/16 - Probability and statistics - 07 - Inferential statistics/06 - Hypothesis testing with two samples - 07 - Comparing population proportions 2.webm 12.28MB
  2429. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 08 - Specular and diffuse reflection.webm 12.28MB
  2430. Test prep/02 - MCAT - 04 - Physical processes/24 - Reflection and refraction - 01 - Specular and diffuse reflection.webm 12.28MB
  2431. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/02 - Conformations - 01 - Newman projections.webm 12.28MB
  2432. Math/14 - Algebra II - 08 - Conic sections/07 - Conics in the IIT JEE - 07 - IIT JEE circle hyperbola intersection.webm 12.28MB
  2433. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 22 - IIT JEE circle hyperbola intersection.webm 12.28MB
  2434. Arts and humanities/12 - Arts of the Islamic world - 01 - A beginner's guide to the arts of Islam/01 - A beginner's guide to the arts of Islam - 01 - Stories of the modern pilgrimage.webm 12.28MB
  2435. Partner content/03 - The British Museum - 05 - The Middle East/02 - Islamic Middle East - 01 - Stories of the modern pilgrimage.webm 12.28MB
  2436. Test prep/07 - AP* Art History - 02 - Introduction to cultures and religions for the study of AP Art History/01 - Introduction to cultures and religions for the study of AP Art History - 01 - Stories of the modern pilgrimage.webm 12.28MB
  2437. Arts and humanities/10 - Age of global conflict - 09 - Architecture/01 - Architecture - 01 - Frank Lloyd Wright, Solomon R. Guggenheim Museum.webm 12.27MB
  2438. Economics and finance/03 - Finance and capital markets - 02 - Housing/04 - Home buying process - 04 - Escrow.webm 12.27MB
  2439. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 07 - Atrioventricular reentrant tachycardia (AVRT) and AV nodal reentrant tachycardia (AVNRT).webm 12.26MB
  2440. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 07 - Atrioventricular reentrant tachycardia (AVRT) and AV nodal reentrant tachycardia (AVNRT).webm 12.26MB
  2441. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 19 - The discount rate.webm 12.26MB
  2442. Science/06 - Health and medicine - 12 - Executive systems of the brain/05 - Emotion - 02 - Emotions_ cerebral hemispheres and prefrontal cortex.webm 12.26MB
  2443. Test prep/02 - MCAT - 06 - Processing the environment/11 - Emotion - 02 - Emotions_ cerebral hemispheres and prefrontal cortex.webm 12.26MB
  2444. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 08 - Parthenon Metopes.webm 12.25MB
  2445. Math/14 - Algebra II - 08 - Conic sections/01 - Conic section basics - 01 - Introduction to conic sections.webm 12.25MB
  2446. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/04 - Stokes' theorem intuition and application - 01 - Stokes' theorem intuition.webm 12.24MB
  2447. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 09 - Calcium puts myosin to work.webm 12.24MB
  2448. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/06 - Heart muscle contraction - 05 - Calcium puts myosin to work.webm 12.24MB
  2449. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 09 - Calcium puts myosin to work.webm 12.24MB
  2450. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 09 - Calcium puts myosin to work.webm 12.24MB
  2451. Economics and finance/03 - Finance and capital markets - 04 - Taxes/02 - Corporate taxation - 01 - Corporations and limited liability.webm 12.23MB
  2452. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/03 - Life insurance - 01 - Term and whole life insurance policies.webm 12.23MB
  2453. Test prep/02 - MCAT - 04 - Physical processes/11 - Gas phase - 01 - Absolute temperature and the kelvin scale.webm 12.23MB
  2454. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/02 - Stoichiometry - 01 - Stoichiometry.webm 12.23MB
  2455. Test prep/02 - MCAT - 04 - Physical processes/28 - Stoichiometry - 04 - Stoichiometry.webm 12.23MB
  2456. Partner content/16 - The Brookings Institution - 01 - Introduction to health care in the U.S./01 - Introduction to health care in the U.S. - 06 - Paying for medicines_ tiering and formularies.webm 12.23MB
  2457. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/06 - Albrecht Dürer - 04 - Dürer, Four Apostles.webm 12.22MB
  2458. Science/06 - Health and medicine - 02 - Human anatomy and physiology/04 - Urinary system introduction - 05 - Countercurrent multiplication in the kidney.webm 12.22MB
  2459. Test prep/02 - MCAT - 03 - Organ systems/12 - Renal system - 05 - Countercurrent multiplication in the kidney.webm 12.22MB
  2460. Test prep/03 - NCLEX-RN - 10 - Renal system/01 - Introduction to the renal system - 05 - Countercurrent multiplication in the kidney.webm 12.22MB
  2461. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 01 - Range, variance and standard deviation as measures of dispersion.webm 12.22MB
  2462. Science/06 - Health and medicine - 05 - Advanced respiratory system physiology/01 - Gas exchange - 02 - Alveolar gas equation - part 2.webm 12.21MB
  2463. Science/06 - Health and medicine - 02 - Human anatomy and physiology/02 - Respiratory system introduction - 01 - Meet the lungs.webm 12.21MB
  2464. Test prep/02 - MCAT - 03 - Organ systems/09 - Respiratory system - 01 - Meet the lungs.webm 12.21MB
  2465. Test prep/03 - NCLEX-RN - 04 - Respiratory system/01 - Respiratory system - 01 - Meet the lungs.webm 12.21MB
  2466. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/04 - Sight (vision) - 01 - The structure of the eye.webm 12.21MB
  2467. Test prep/02 - MCAT - 06 - Processing the environment/02 - Sight (vision) - 01 - The structure of the eye.webm 12.21MB
  2468. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 08 - Uccello, The Battle of San Romano.webm 12.21MB
  2469. Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 05 - Total revenue and elasticity.webm 12.20MB
  2470. Science/06 - Health and medicine - 09 - Advanced endocrine system physiology/01 - Biological basis of behavior_ Endocrine system - 03 - Endocrine system and influence on behavior - Part 1.webm 12.20MB
  2471. Test prep/02 - MCAT - 07 - Behavior/02 - Biological basis of behavior_ Endocrine system - 01 - Endocrine system and influence on behavior - Part 1.webm 12.20MB
  2472. Math/10 - Algebra basics - 05 - Systems of equations/01 - Solving systems of equations - 03 - Solving systems of equations by elimination.webm 12.20MB
  2473. Math/11 - Algebra I - 05 - Systems of equations and inequalities/02 - Super fast systems of equations - 03 - Solving systems of equations by elimination.webm 12.20MB
  2474. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/06 - Scientific notation - 03 - Scientific notation examples.webm 12.20MB
  2475. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/06 - Scientific notation - 03 - Scientific notation examples.webm 12.20MB
  2476. Math/10 - Algebra basics - 01 - Foundations/09 - Scientific notation - 03 - Scientific notation examples.webm 12.20MB
  2477. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 11 - Pulseless electrical activity (PEA) and asystole.webm 12.19MB
  2478. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 11 - Pulseless electrical activity (PEA) and asystole.webm 12.19MB
  2479. Test prep/02 - MCAT - 01 - Biomolecules/09 - Evolution and population dynamics - 01 - Evolution and natural selection.webm 12.18MB
  2480. Math/17 - Precalculus - 02 - Matrices/06 - Inverting matrices - 03 - Idea behind inverting a 2x2 matrix.webm 12.18MB
  2481. Test prep/02 - MCAT - 05 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 04 - Carbohydrates - Naming and classification.webm 12.18MB
  2482. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 04 - IIT JEE complex root probability (part 1).webm 12.18MB
  2483. Science/07 - Discoveries and projects - 03 - Robots/02 - Spout Bot with Solder - 03 - Soldering Saftey.webm 12.18MB
  2484. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/01 - Early Renaissance in Venice - 07 - Mantegna, Dormition of the Virgin.webm 12.18MB
  2485. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 04 - White and black dwarfs.webm 12.17MB
  2486. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 02 - The fiscal cliff.webm 12.16MB
  2487. Math/03 - 4th grade (U.S.) - 05 - Geometry/01 - Basic geometry_ lines, line segments and rays - 02 - Basic geometry_ language and labels.webm 12.16MB
  2488. Math/06 - 7th grade (U.S.) - 05 - Geometry/01 - Measuring segments - 01 - Basic geometry_ language and labels.webm 12.16MB
  2489. Math/12 - Basic geometry - 01 - Lines/01 - Lines, line segments and rays - 02 - Basic geometry_ language and labels.webm 12.16MB
  2490. Math/12 - Basic geometry - 01 - Lines/02 - Measuring segments - 01 - Basic geometry_ language and labels.webm 12.16MB
  2491. Math/13 - Geometry - 01 - Introduction to Euclidean geometry/01 - Introduction to Euclidean geometry - 02 - Basic geometry_ language and labels.webm 12.16MB
  2492. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 04 - Banking 4_ Multiplier effect and the money supply.webm 12.16MB
  2493. Partner content/09 - Asian Art Museum - 11 - Art Conservation/01 - Art Conservation - 03 - Mounting Batik Textiles.webm 12.15MB
  2494. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/01 - A beginner's guide to Renaissance Florence - 01 - Contrapposto.webm 12.15MB
  2495. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 08 - End diastolic pressure-volume relationship (EDPVR).webm 12.15MB
  2496. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/02 - Diels-Alder reaction - 02 - Diels-Alder II_ Endo vs exo.webm 12.15MB
  2497. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/04 - Early classical - 01 - Kritios Boy.webm 12.14MB
  2498. Science/06 - Health and medicine - 04 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 04 - Atherosclerosis - part 2.webm 12.13MB
  2499. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/03 - Measuring age on earth - 01 - Chronometric revolution.webm 12.13MB
  2500. Science/06 - Health and medicine - 04 - Circulatory system diseases/09 - Acyanotic heart diseases - 04 - Atrial septal defect.webm 12.13MB
  2501. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/03 - Acyanotic heart diseases - 04 - Atrial septal defect.webm 12.13MB
  2502. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 08 - Surface integral example part 3_ The home stretch.webm 12.12MB
  2503. Test prep/02 - MCAT - 04 - Physical processes/13 - Electrostatics - 08 - Electric potential at a point in space.webm 12.12MB
  2504. Science/06 - Health and medicine - 02 - Human anatomy and physiology/09 - Endocrine system introduction - 04 - Types of hormones.webm 12.11MB
  2505. Test prep/02 - MCAT - 03 - Organ systems/06 - Endocrine system - 04 - Types of hormones.webm 12.11MB
  2506. Test prep/03 - NCLEX-RN - 07 - Endocrine system/01 - Endocrine system - 04 - Types of hormones.webm 12.11MB
  2507. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/01 - Sn1 vs Sn2 - 04 - Sn1 reactions introduction.webm 12.11MB
  2508. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 11 - Conformations of ethane and propane.webm 12.11MB
  2509. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 06 - Weak acid titration.webm 12.11MB
  2510. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/04 - Sight (vision) - 03 - The phototransduction cascade.webm 12.11MB
  2511. Test prep/02 - MCAT - 06 - Processing the environment/02 - Sight (vision) - 03 - The phototransduction cascade.webm 12.11MB
  2512. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 04 - Khnopff, I Lock My Door Upon Myself.webm 12.10MB
  2513. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/03 - Binomial distribution - 02 - Visualizing a binomial distribution.webm 12.10MB
  2514. Science/06 - Health and medicine - 04 - Circulatory system diseases/08 - Heart valve diseases - 01 - What is valvular heart disease_.webm 12.10MB
  2515. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/09 - Heart valve diseases - 01 - What is valvular heart disease_.webm 12.10MB
  2516. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/02 - Orthogonal projections - 04 - Subspace projection matrix example.webm 12.09MB
  2517. Science/06 - Health and medicine - 06 - Respiratory system diseases/03 - Emphysema (COPD) - 01 - What is emphysema_.webm 12.09MB
  2518. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 01 - What is emphysema_.webm 12.09MB
  2519. Partner content/03 - The British Museum - 07 - Contemporary Sculptors at the British Museum/01 - Contemporary Sculptors at the British Museum - 01 - Marc Quinn's Siren at the British Museum (Kate Moss).webm 12.08MB
  2520. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/07 - Taste (gustation) and smell (olfaction) - 03 - Gustation - structure and function.webm 12.08MB
  2521. Test prep/02 - MCAT - 06 - Processing the environment/05 - Taste (gustation) and smell (olfaction) - 03 - Gustation - structure and function.webm 12.08MB
  2522. Math/13 - Geometry - 08 - Special properties and parts of triangles/01 - Perpendicular bisectors - 05 - 2003 AIME II problem 7.webm 12.08MB
  2523. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 11 - 2003 AIME II problem 7.webm 12.08MB
  2524. Economics and finance/03 - Finance and capital markets - 02 - Housing/02 - Renting vs. buying a home - 01 - Renting versus buying a home.webm 12.08MB
  2525. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 09 - Fra Filippo Lippi, Madonna and Child with two Angels.webm 12.08MB
  2526. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 06 - Fra Filippo Lippi, Madonna and Child with two Angels.webm 12.08MB
  2527. Science/04 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 05 - Friedel-Crafts alkylation.webm 12.07MB
  2528. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Cell potentials - 09 - Using the Nernst equation.webm 12.07MB
  2529. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 13 - Using the Nernst equation.webm 12.07MB
  2530. Test prep/02 - MCAT - 07 - Behavior/03 - Behavior and genetics - 02 - Twin and adoption studies.webm 12.07MB
  2531. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 09 - Torsades de pointes.webm 12.06MB
  2532. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 09 - Torsades de pointes.webm 12.06MB
  2533. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/03 - Measuring age on earth - 05 - K-Ar dating calculation.webm 12.06MB
  2534. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 07 - Bernini, Cathedra Petri (Chair of St. Peter).webm 12.05MB
  2535. Math/21 - Differential equations - 01 - First order differential equations/01 - Intro to differential equations - 04 - Slope field to visualize solutions.webm 12.04MB
  2536. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 13 - DNA repair 1.webm 12.04MB
  2537. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 01 - Geithner plan 1.webm 12.04MB
  2538. Science/03 - Chemistry - 01 - Atoms, molecules, and ions/01 - Introduction to the atom - 06 - The mole and avogadro's number.webm 12.03MB
  2539. Science/06 - Health and medicine - 14 - Lab values and concentrations/01 - Lab values and concentrations - 05 - The mole and avogadro's number.webm 12.03MB
  2540. Test prep/02 - MCAT - 04 - Physical processes/28 - Stoichiometry - 02 - The mole and avogadro's number.webm 12.03MB
  2541. Science/02 - Physics - 06 - Moments, torque, and angular momentum/01 - Torque, moments, and angular momentum - 04 - Moments (part 2).webm 12.03MB
  2542. Math/16 - Probability and statistics - 07 - Inferential statistics/06 - Hypothesis testing with two samples - 02 - Difference of sample means distribution.webm 12.03MB
  2543. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 05 - Naming the flu_ H-something, N-something.webm 12.03MB
  2544. Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 04 - Inflation, deflation, and capacity utilization.webm 12.02MB
  2545. Test prep/02 - MCAT - 01 - Biomolecules/09 - Evolution and population dynamics - 05 - Inbreeding.webm 12.02MB
  2546. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 09 - 'One_ Number 31, 1950' by Jackson Pollock, 1950 - MoMA Education.webm 12.02MB
  2547. Math/22 - Linear algebra - 02 - Matrix transformations/03 - Transformations and matrix multiplication - 01 - Compositions of linear transformations 1.webm 12.01MB
  2548. Test prep/02 - MCAT - 04 - Physical processes/14 - Current and resistance - 07 - Voltmeters and Ammeters.webm 12.01MB
  2549. Science/03 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 10 - Electronegativity.webm 12.01MB
  2550. Science/03 - Chemistry - 05 - Chemical bonds/01 - Types of chemical bonds - 02 - Electronegativity.webm 12.01MB
  2551. Math/13 - Geometry - 06 - Perimeter, area, and volume/03 - Koch snowflake fractal - 03 - Area of Koch snowflake (part 1) - advanced.webm 12.01MB
  2552. Arts and humanities/08 - Monarchy and enlightenment - 03 - Neo-Classicism/01 - Neo-Classicism - 04 - David, The Intervention of the Sabine Women.webm 12.01MB
  2553. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 15 - Control of the GI tract.webm 12.01MB
  2554. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 15 - Control of the GI tract.webm 12.01MB
  2555. Math/21 - Differential equations - 03 - Laplace transform/02 - Properties of the Laplace transform - 09 - Laplace transform of the dirac delta function.webm 12.00MB
  2556. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 12 - Point distance to plane.webm 12.00MB
  2557. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 35 - Point distance to plane.webm 12.00MB
  2558. Partner content/14 - MIT_K12 - 04 - Measurement/01 - Measurement - 03 - Earth's Tilt 2_ Land of the Midnight Sun.webm 12.00MB
  2559. Partner content/18 - NASA - 03 - Exploring the Universe/03 - Curiosity rover_ mission briefing - 01 - Seeking signs of habitability.webm 12.00MB
  2560. Science/04 - Organic chemistry - 14 - Spectroscopy/01 - Infrared Spectroscopy - 02 - Bonds as springs.webm 12.00MB
  2561. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 02 - Bonds as springs.webm 12.00MB
  2562. Science/07 - Discoveries and projects - 06 - Thermo can/01 - Thermo can - 01 - Thermo can.webm 11.99MB
  2563. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/01 - Introduction to aldehydes and ketones - 03 - Nomenclature of aldehydes and ketones.webm 11.99MB
  2564. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 01 - Nomenclature of aldehydes and ketones.webm 11.99MB
  2565. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 01 - Seurat, Bathers at Asnières.webm 11.99MB
  2566. Arts and humanities/06 - Medieval Europe - 03 - Early Christian/01 - Early Christian - 02 - Sarcophagus of Junius Bassus.webm 11.98MB
  2567. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 14 - Botticelli, Birth of Venus.webm 11.98MB
  2568. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 07 - Botticelli, Birth of Venus.webm 11.98MB
  2569. Test prep/02 - MCAT - 04 - Physical processes/12 - Kinetic molecular theory of gases - 01 - Boltzmann's constant.webm 11.98MB
  2570. Science/03 - Chemistry - 04 - Periodic table/01 - Introduction to the periodic table - 01 - Valence electrons.webm 11.98MB
  2571. Science/06 - Health and medicine - 05 - Advanced respiratory system physiology/01 - Gas exchange - 05 - Graham's law of diffusion.webm 11.97MB
  2572. Math/23 - Recreational math - 02 - Puzzles/01 - Brain teasers - 08 - Light bulb switching brain teaser.webm 11.97MB
  2573. Math/17 - Precalculus - 03 - Parametric equations and polar coordinates/01 - Parametric equations - 01 - Parametric equations 1.webm 11.97MB
  2574. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 10 - Michelangelo, David.webm 11.96MB
  2575. Math/11 - Algebra I - 02 - Linear equations/10 - Absolute value equations - 08 - Absolute value inequalities.webm 11.96MB
  2576. Math/11 - Algebra I - 03 - Linear inequalities/02 - Compound and absolute value inequalities - 06 - Absolute value inequalities.webm 11.96MB
  2577. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 12 - Overtaking word problem.webm 11.96MB
  2578. Science/06 - Health and medicine - 15 - Health care system/01 - Health care system - 02 - Conversation about drug pricing.webm 11.96MB
  2579. Partner content/09 - Asian Art Museum - 07 - Japan/01 - Japan - 07 - From castle to palace_ samurai architecture.webm 11.96MB
  2580. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/06 - Intersections - 05 - 'Starting Over' with Elizabeth Cleland.webm 11.95MB
  2581. Science/02 - Physics - 01 - One-dimensional motion/01 - Displacement, velocity and time - 03 - Solving for time.webm 11.95MB
  2582. Test prep/02 - MCAT - 04 - Physical processes/02 - Speed and velocity - 02 - Solving for time.webm 11.95MB
  2583. Math/11 - Algebra I - 07 - Quadratic equations/08 - Quadratic odds and ends - 05 - CA Algebra I_ Completing the square.webm 11.95MB
  2584. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 07 - The conservation of the 'Apollo Saettante' at the Getty Villa.webm 11.94MB
  2585. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/03 - Surrealism - 03 - Dali, The Persistence of Memory.webm 11.94MB
  2586. Math/21 - Differential equations - 03 - Laplace transform/04 - The convolution integral - 03 - Using the convolution theorem to solve an initial value prob.webm 11.94MB
  2587. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/07 - Ring-opening reactions of epoxides - 01 - Ring-opening reactions of epoxides_ Strong nucleophiles.webm 11.93MB
  2588. Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 03 - Algorithmic efficiency.webm 11.93MB
  2589. Math/13 - Geometry - 08 - Special properties and parts of triangles/03 - Medians and centroids - 04 - Exploring medial triangles.webm 11.93MB
  2590. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 05 - Mark Rothko.webm 11.92MB
  2591. Partner content/04 - The Museum of Modern Art - 04 - Abstract Expressionism/01 - Abstract Expressionism - 04 - Mark Rothko.webm 11.92MB
  2592. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 07 - Viscosity and Poiseuille flow.webm 11.92MB
  2593. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 08 - Hunt, the Awakening Conscience.webm 11.92MB
  2594. Test prep/02 - MCAT - 01 - Biomolecules/12 - Carbohydrates - 01 - Carbohydrates - naming and classification.webm 11.91MB
  2595. Test prep/02 - MCAT - 05 - Chemical processes/10 - Carbohydrates - 04 - Carbohydrates - naming and classification.webm 11.91MB
  2596. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 41 - GMAT_ Data sufficiency 40.webm 11.91MB
  2597. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 12 - Titration roundup.webm 11.91MB
  2598. Arts and humanities/09 - Becoming modern - 07 - America_ Civil War to the Gilded Age/01 - America_ Civil War to the Gilded Age - 04 - Cassatt, Woman with a Pearl Necklace in a Loge.webm 11.91MB
  2599. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/04 - Poisson process - 02 - Poisson process 2.webm 11.89MB
  2600. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 01 - Currency exchange introduction.webm 11.89MB
  2601. Math/14 - Algebra II - 08 - Conic sections/06 - Conics from equations - 03 - Identifying circles and parabolas from equations.webm 11.88MB
  2602. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/03 - Fetal circulation - 04 - Hypoxic pulmonary vasoconstriction.webm 11.88MB
  2603. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 01 - Electrostatics (part 1)_ Introduction to charge and Coulomb's law.webm 11.88MB
  2604. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 40 - Simple differential equation example.webm 11.88MB
  2605. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 09 - End systolic pressure-volume relationship (ESPVR).webm 11.87MB
  2606. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 03 - Proof (advanced)_ Field from infinite plate (part 1).webm 11.87MB
  2607. Math/23 - Recreational math - 01 - Doodling in Math and more/02 - Doodling in math - 08 - Doodling in math_ Snakes and graphs.webm 11.87MB
  2608. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 19 - De Wain Valentine and polyester resin.webm 11.87MB
  2609. Partner content/02 - Tate - 03 - Global modernisms/01 - Africa - 05 - Contested Terrains, Part 2.webm 11.87MB
  2610. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 13 - Veronese, The Family of Darius Before Alexander.webm 11.87MB
  2611. Test prep/02 - MCAT - 05 - Chemical processes/13 - Alcohols and phenols - 10 - Aromatic heterocycles.webm 11.87MB
  2612. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 08 - DLab_ Instructor reflections on the Explore program.webm 11.86MB
  2613. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/03 - Naming alkanes, cycloalkanes, and bicyclic compounds - 03 - Alkane and cycloalkane nomenclature iii.webm 11.85MB
  2614. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 02 - 2011 Calculus AB free response #2 (a and b).webm 11.85MB
  2615. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 02 - Courbet, The Artist's Studio, a real allegory summing up seven years of my artistic and moral life.webm 11.85MB
  2616. Science/03 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 07 - Relationship between Ka and Kb.webm 11.84MB
  2617. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 08 - Relationship between Ka and Kb.webm 11.84MB
  2618. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 07 - Relationship between Ka and Kb.webm 11.84MB
  2619. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 10 - Statistics_ Standard deviation.webm 11.84MB
  2620. Math/23 - Recreational math - 02 - Puzzles/01 - Brain teasers - 09 - Path counting brain teaser.webm 11.84MB
  2621. Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 02 - Introduction to channel capacity.webm 11.84MB
  2622. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 18 - Intro to the endocrine system.webm 11.84MB
  2623. Math/23 - Recreational math - 01 - Doodling in Math and more/05 - Singing (and noises) - 02 - Binary hand dance.webm 11.83MB
  2624. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/04 - Oxidation and reduction - 01 - Oxidation states I.webm 11.83MB
  2625. Math/16 - Probability and statistics - 07 - Inferential statistics/07 - Chi-square probability distribution - 01 - Chi-square distribution introduction.webm 11.83MB
  2626. Math/23 - Recreational math - 01 - Doodling in Math and more/07 - Thanksgiving math - 02 - Borromean onion rings.webm 11.83MB
  2627. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/01 - Aggregate demand and aggregate supply - 04 - Short run aggregate supply.webm 11.82MB
  2628. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 23 - Frank Lloyd Wright, Midway Gardens.webm 11.82MB
  2629. Math/15 - Trigonometry - 04 - Trig identities and examples/06 - Trigonometric identities - 01 - Trigonometry identity review_fun.webm 11.82MB
  2630. Math/17 - Precalculus - 04 - Imaginary and complex numbers/07 - Challenging complex number problems - 04 - Complex determinant example.webm 11.82MB
  2631. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 37 - Complex determinant example.webm 11.82MB
  2632. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 02 - Ibrahim El-Salahi.webm 11.82MB
  2633. Partner content/02 - Tate - 03 - Global modernisms/01 - Africa - 01 - Ibrahim El-Salahi.webm 11.82MB
  2634. Math/16 - Probability and statistics - 02 - Probability and combinatorics/02 - Combinations - 02 - Combination formula.webm 11.82MB
  2635. Math/17 - Precalculus - 05 - Probability and combinatorics/06 - Combinations - 02 - Combination formula.webm 11.82MB
  2636. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 05 - Chinese Central Bank buying treasuries.webm 11.81MB
  2637. Math/22 - Linear algebra - 02 - Matrix transformations/02 - Linear transformation examples - 03 - Rotation in R3 around the x-axis.webm 11.81MB
  2638. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/05 - Investment and consumption - 02 - Human capital.webm 11.81MB
  2639. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 14 - Sum of squares of polynomial roots.webm 11.81MB
  2640. Arts and humanities/07 - Renaissance and Reformation - 05 - Mannerism/01 - Mannerism - 02 - Parmigianino, Madonna of the Long Neck.webm 11.81MB
  2641. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/17 - Calvin Carter - Founder of Bottle Rocket Apps - 01 - A 2 a.m. wake up call.webm 11.81MB
  2642. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 07 - Dix, Portrait of the Journalist Sylvia von Harden.webm 11.80MB
  2643. Partner content/02 - Tate - 04 - Performance and participation/03 - Participation - 01 - Suzanne Lacy_ Silver Action.webm 11.80MB
  2644. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 07 - Surface integral example part 2_ Calculating the surface differential.webm 11.79MB
  2645. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 09 - Johannes Vermeer, Woman Holding a Balance.webm 11.79MB
  2646. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./04 - Protestant Reformation and Catholic Counter-Reformation - 08 - Johannes Vermeer, Woman Holding a Balance.webm 11.79MB
  2647. Math/17 - Precalculus - 02 - Matrices/08 - Reduced row echelon form - 03 - Matrices_ Reduced row echelon form 3.webm 11.79MB
  2648. Math/22 - Linear algebra - 01 - Vectors and spaces/06 - Matrices for solving systems by elimination - 03 - Matrices_ Reduced row echelon form 3.webm 11.79MB
  2649. Computing/02 - Computer science - 02 - Journey into cryptography/07 - Randomized algorithms - 01 - Randomized algorithms (intro).webm 11.78MB
  2650. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 02 - Normal sinus rhythm on an EKG.webm 11.78MB
  2651. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 02 - Normal sinus rhythm on an EKG.webm 11.78MB
  2652. Partner content/14 - MIT_K12 - 02 - Natural Science/01 - Natural Science - 03 - Bread mold kills bacteria.webm 11.78MB
  2653. Science/02 - Physics - 07 - Gravitation/01 - Newton's law of gravitation - 03 - Gravity for astronauts in orbit.webm 11.78MB
  2654. Science/04 - Organic chemistry - 09 - Aromatic compounds/02 - Reactions of benzene - 03 - Bromination of benzene.webm 11.78MB
  2655. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/07 - Dependent probability - 02 - Dependent probability example.webm 11.78MB
  2656. Math/16 - Probability and statistics - 01 - Independent and dependent events/04 - Dependent probability - 02 - Dependent probability example.webm 11.78MB
  2657. Math/17 - Precalculus - 05 - Probability and combinatorics/04 - Dependent events - 02 - Dependent probability example.webm 11.78MB
  2658. Test prep/02 - MCAT - 01 - Biomolecules/02 - Enzyme structure and function - 06 - Enzymes and their local environment.webm 11.77MB
  2659. Math/13 - Geometry - 08 - Special properties and parts of triangles/01 - Perpendicular bisectors - 01 - Circumcenter of a triangle.webm 11.77MB
  2660. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 14 - Burne-Jones, King Cophetua and the Beggar Maid.webm 11.76MB
  2661. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 05 - Making aligned hardware, software, and space decisions in a blended learning environment/02 - Blended learning software - 03 - The challenges to picking software.webm 11.76MB
  2662. Math/21 - Differential equations - 01 - First order differential equations/03 - Modeling with differential equations - 04 - Applying Newton's Law of Cooling to warm oatmeal.webm 11.76MB
  2663. Partner content/02 - Tate - 04 - Performance and participation/01 - Performance art - 03 - Marina Abramović.webm 11.75MB
  2664. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 24 - Bramante, et.al., Saint Peter's Basilica.webm 11.75MB
  2665. Science/02 - Physics - 01 - One-dimensional motion/03 - Kinematic formulas and projectile motion - 03 - Deriving displacement as a function of time, acceleration, and initial velocity.webm 11.74MB
  2666. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 10 - Refraction and Snell's law.webm 11.74MB
  2667. Test prep/02 - MCAT - 04 - Physical processes/24 - Reflection and refraction - 03 - Refraction and Snell's law.webm 11.74MB
  2668. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 04 - Young's Double slit part 1.webm 11.74MB
  2669. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 12 - Conformations of butane.webm 11.74MB
  2670. Test prep/02 - MCAT - 06 - Processing the environment/12 - Stress - 04 - Physical effects of stress.webm 11.73MB
  2671. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 06 - Urbanization.webm 11.73MB
  2672. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 04 - Left ventricular pressure vs. time.webm 11.72MB
  2673. Math/17 - Precalculus - 02 - Matrices/06 - Inverting matrices - 11 - Classic video on inverting a 3x3 matrix part 2.webm 11.72MB
  2674. Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 04 - Adjustable rate mortgages ARMs.webm 11.72MB
  2675. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 04 - Null space 3_ Relation to linear independence.webm 11.71MB
  2676. Science/06 - Health and medicine - 04 - Circulatory system diseases/12 - Vasculitis - 05 - Polyarteritis nodosa.webm 11.71MB
  2677. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/05 - Vasculitis - 05 - Polyarteritis nodosa.webm 11.71MB
  2678. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/04 - Conformations of alkanes and cycloalkanes - 01 - Conformations of ethane and propane.webm 11.70MB
  2679. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/01 - Bond-line structures - 03 - Structural (constitutional) isomers.webm 11.70MB
  2680. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 01 - 'Collective Suicide' by David Alfaro Siqueiros, 1936 - MoMA Education.webm 11.70MB
  2681. Science/03 - Chemistry - 05 - Chemical bonds/01 - Types of chemical bonds - 03 - Electronegativity and bonding.webm 11.69MB
  2682. Science/04 - Organic chemistry - 01 - General chemistry review/04 - Electronegativity - 01 - Electronegativity.webm 11.69MB
  2683. Test prep/02 - MCAT - 04 - Physical processes/27 - Periodic table - 01 - Electronegativity and bonding.webm 11.69MB
  2684. Test prep/02 - MCAT - 05 - Chemical processes/06 - Covalent bonds - 01 - Electronegativity and bonding.webm 11.69MB
  2685. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 06 - Acid-catalyzed ester hydrolysis.webm 11.69MB
  2686. Test prep/02 - MCAT - 05 - Chemical processes/15 - Carboxylic acid derivatives - 06 - Acid-catalyzed ester hydrolysis.webm 11.69MB
  2687. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 15 - Cervical spine protection in airway management (not a substitute for formal training).webm 11.69MB
  2688. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/03 - Republic - 01 - Temple of Portunus.webm 11.68MB
  2689. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/09 - Rise of Mussolini and Fascism - 01 - Fascism and Mussolini.webm 11.68MB
  2690. Science/06 - Health and medicine - 02 - Human anatomy and physiology/01 - Circulatory system introduction - 04 - Lub dub.webm 11.68MB
  2691. Test prep/02 - MCAT - 03 - Organ systems/07 - Circulatory system - 05 - Lub dub.webm 11.68MB
  2692. Test prep/03 - NCLEX-RN - 02 - Circulatory system/01 - Circulatory system - 04 - Lub dub.webm 11.68MB
  2693. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 01 - Marginal utility.webm 11.68MB
  2694. Arts and humanities/13 - South and East Asia - 01 - Imperial China/01 - A beginner's guide to Imperial China - 02 - Appreciating Chinese calligraphy.webm 11.68MB
  2695. Partner content/09 - Asian Art Museum - 05 - China/01 - China - 07 - Appreciating Chinese calligraphy.webm 11.68MB
  2696. Partner content/12 - Stanford School of Medicine - 04 - Asthma/01 - Asthma - 01 - Breathing Basics.webm 11.68MB
  2697. Math/16 - Probability and statistics - 07 - Inferential statistics/05 - Hypothesis testing with one sample - 05 - Small sample hypothesis test.webm 11.67MB
  2698. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/02 - Diels-Alder reaction - 04 - Diels-Alder IV_ Stereochemistry of diene.webm 11.66MB
  2699. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 09 - Compositional and mechanical layers of the earth.webm 11.66MB
  2700. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 10 - Thin Film Interference part 1.webm 11.66MB
  2701. Math/10 - Algebra basics - 03 - Linear equations and inequalities/06 - Direct and inverse variation - 01 - Direct and inverse variation.webm 11.66MB
  2702. Math/11 - Algebra I - 09 - Functions/04 - Direct and inverse variation - 01 - Direct and inverse variation.webm 11.66MB
  2703. Science/03 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 01 - Mass defect and binding energy.webm 11.66MB
  2704. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 03 - Mass defect and binding energy.webm 11.66MB
  2705. Science/06 - Health and medicine - 06 - Respiratory system diseases/04 - Chronic Bronchitis (COPD) - 03 - Chronic bronchitis treatment.webm 11.65MB
  2706. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/04 - Chronic bronchitis (COPD) - 03 - Chronic bronchitis treatment.webm 11.65MB
  2707. Test prep/02 - MCAT - 04 - Physical processes/16 - Magnetism - 04 - Magnetism - Part 4.webm 11.64MB
  2708. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/01 - Orthogonal complements - 04 - Orthogonal complement of the orthogonal complement.webm 11.63MB
  2709. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 10 - Vector triple product expansion (very optional).webm 11.63MB
  2710. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 30 - Vector triple product expansion (very optional).webm 11.63MB
  2711. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 05 - Cardiogenic shock.webm 11.63MB
  2712. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 05 - Cardiogenic shock.webm 11.63MB
  2713. Math/16 - Probability and statistics - 07 - Inferential statistics/04 - Bernoulli distributions and margin of error - 04 - Margin of error 2.webm 11.63MB
  2714. Partner content/01 - The Metropolitan Museum of Art - 03 - Making, finding, and conserving/01 - Making, finding, and conserving - 02 - Conserving Tullio Lombardo's 'Adam'_ Time-Lapse.webm 11.62MB
  2715. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 09 - Syn dihydroxylation.webm 11.62MB
  2716. Science/03 - Chemistry - 05 - Chemical bonds/02 - Dot structures - 08 - VSEPR for 5 electron clouds (continued).webm 11.62MB
  2717. Test prep/02 - MCAT - 05 - Chemical processes/04 - Dot structures - 08 - VSEPR for 5 electron clouds (continued).webm 11.62MB
  2718. Test prep/02 - MCAT - 01 - Biomolecules/03 - Enzyme kinetics - 04 - Cooperativity.webm 11.62MB
  2719. Test prep/02 - MCAT - 01 - Biomolecules/14 - Krebs (citric acid) cycle and oxidative phosphorylation - 07 - Mitochondria, apoptosis, and oxidative stress.webm 11.62MB
  2720. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 11 - System of equations for passing trains problem.webm 11.62MB
  2721. Science/03 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 01 - Atomic radius trends on periodic table.webm 11.62MB
  2722. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 07 - Neuromuscular junction, motor end-plate.webm 11.61MB
  2723. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 07 - Neuromuscular junction, motor end-plate.webm 11.61MB
  2724. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 07 - Neuromuscular junction, motor end-plate.webm 11.61MB
  2725. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 08 - Optical activity.webm 11.61MB
  2726. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/04 - Inverse trig functions - 01 - Inverse trig functions_ arcsin.webm 11.61MB
  2727. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/08 - Siena, the Late Gothic - 03 - Duccio, The Rucellai Madonna.webm 11.61MB
  2728. Science/06 - Health and medicine - 07 - Advanced hematologic system physiology/01 - Bleeding and impaired hemostasis - 02 - Primary hemostasis.webm 11.61MB
  2729. Science/06 - Health and medicine - 04 - Circulatory system diseases/04 - Aortic dissection and aneurysm - 04 - Aortic dissection treatment.webm 11.61MB
  2730. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/08 - Aortic dissection and aneurysm - 04 - Aortic dissection treatment.webm 11.61MB
  2731. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 05 - Making aligned hardware, software, and space decisions in a blended learning environment/02 - Blended learning software - 05 - Building customized software and solutions.webm 11.60MB
  2732. Science/02 - Physics - 03 - Forces and Newton's laws of motion/02 - Normal force and contact force - 02 - Normal force in an elevator.webm 11.60MB
  2733. Test prep/02 - MCAT - 04 - Physical processes/06 - Normal forces - 03 - Normal force in an elevator.webm 11.60MB
  2734. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 09 - Bailout 9_ Paulson's plan.webm 11.60MB
  2735. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 10 - Bailout 9_ Paulson's plan.webm 11.60MB
  2736. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/04 - Central Italy - 02 - Piero della Francesca, Portraits of the Duke and Duchess of Urbino.webm 11.60MB
  2737. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/08 - Solving equations for beginners - 04 - Simple equations_ examples solving a variety of forms.webm 11.60MB
  2738. Math/10 - Algebra basics - 03 - Linear equations and inequalities/01 - Solving basic equations - 04 - Simple equations_ examples solving a variety of forms.webm 11.60MB
  2739. Math/11 - Algebra I - 02 - Linear equations/03 - Equations for beginners - 04 - Simple equations_ examples solving a variety of forms.webm 11.60MB
  2740. Science/06 - Health and medicine - 15 - Health care system/01 - Health care system - 05 - Paying doctors.webm 11.60MB
  2741. Science/01 - Biology - 02 - Human biology/04 - Muscles - 01 - Myosin and actin.webm 11.59MB
  2742. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 01 - Myosin and actin.webm 11.59MB
  2743. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/06 - Heart muscle contraction - 03 - Myosin and actin.webm 11.59MB
  2744. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 01 - Myosin and actin.webm 11.59MB
  2745. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 01 - Myosin and actin.webm 11.59MB
  2746. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 09 - Titian, Venus of Urbino.webm 11.59MB
  2747. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 13 - Titian, Venus of Urbino.webm 11.59MB
  2748. Math/14 - Algebra II - 08 - Conic sections/07 - Conics in the IIT JEE - 06 - IIT JEE circle hyperbola common tangent part 5.webm 11.58MB
  2749. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 27 - IIT JEE circle hyperbola common tangent part 5.webm 11.58MB
  2750. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/03 - Measuring age on earth - 04 - Potassium-argon (K-Ar) dating.webm 11.58MB
  2751. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 13 - Making flu vaccine each year.webm 11.57MB
  2752. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 07 - Proof (part 3) minimizing squared error to regression line.webm 11.57MB
  2753. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/02 - Position vector functions and derivatives - 04 - Vector valued function derivative example.webm 11.57MB
  2754. Math/14 - Algebra II - 08 - Conic sections/06 - Conics from equations - 04 - Hyperbola and parabola examples.webm 11.57MB
  2755. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 02 - Electrostatics (part 2).webm 11.57MB
  2756. Test prep/02 - MCAT - 04 - Physical processes/13 - Electrostatics - 05 - Electrostatics (part 2).webm 11.57MB
  2757. Science/06 - Health and medicine - 08 - Hematologic system diseases/04 - Plasma cell dyscrasias - 03 - What is multiple myeloma_.webm 11.57MB
  2758. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/03 - Plasma cell dyscrasias - 03 - What is multiple myeloma_.webm 11.57MB
  2759. Math/23 - Recreational math - 01 - Doodling in Math and more/09 - Other cool stuff - 06 - How to snakes.webm 11.57MB
  2760. Science/03 - Chemistry - 03 - Electronic structure of atoms/02 - Quantum numbers and orbitals - 03 - Quantum numbers for the first four shells.webm 11.56MB
  2761. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 10 - Quantum numbers for the first four shells.webm 11.56MB
  2762. Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 05 - Source encoding.webm 11.55MB
  2763. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 13 - Burne-Jones, The Golden Stairs.webm 11.55MB
  2764. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 10 - How do we make blood clots_.webm 11.55MB
  2765. Test prep/02 - MCAT - 03 - Organ systems/08 - Hematologic system - 05 - How do we make blood clots_.webm 11.55MB
  2766. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/02 - Photography after 1970 - 01 - John Humble's photographs of Los Angeles.webm 11.55MB
  2767. Science/06 - Health and medicine - 08 - Hematologic system diseases/04 - Plasma cell dyscrasias - 02 - What is Monoclonal gammopathy of undetermined significance (MGUS)_.webm 11.54MB
  2768. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/03 - Plasma cell dyscrasias - 02 - What is Monoclonal gammopathy of undetermined significance (MGUS)_.webm 11.54MB
  2769. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/04 - Conformations of alkanes and cycloalkanes - 05 - Conformations of cyclohexane III_ Disubstituted.webm 11.54MB
  2770. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 03 - Gerhard Richter, Betty.webm 11.53MB
  2771. Math/16 - Probability and statistics - 07 - Inferential statistics/02 - Sampling distribution - 02 - Sampling distribution of the sample mean.webm 11.53MB
  2772. Partner content/08 - American Museum of Natural History - 02 - The Universe/04 - Universe - 02 - Exploring the dark Universe_ Dark matter.webm 11.53MB
  2773. Math/11 - Algebra I - 05 - Systems of equations and inequalities/08 - Systems of inequalities - 06 - CA Algebra I_ Systems of inequalities.webm 11.52MB
  2774. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 10 - Titian, Christ Crowned with Thorns.webm 11.52MB
  2775. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/02 - Neuron membrane potentials - 04 - Neuron graded potential mechanism.webm 11.52MB
  2776. Test prep/02 - MCAT - 03 - Organ systems/03 - Neuron membrane potentials - 04 - Neuron graded potential mechanism.webm 11.52MB
  2777. Math/22 - Linear algebra - 02 - Matrix transformations/07 - Transpose of a matrix - 05 - Transpose of a vector.webm 11.52MB
  2778. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/05 - Spain - 01 - Velázquez Los Borrachos or the Triumph of Bacchus.webm 11.52MB
  2779. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/09 - Rise of Mussolini and Fascism - 03 - Mussolini becomes absolute dictator (Il Duce).webm 11.52MB
  2780. Math/14 - Algebra II - 03 - Polynomial and rational functions/14 - Partial fraction expansion - 03 - Partial fraction expansion 3.webm 11.52MB
  2781. Math/14 - Algebra II - 04 - Rational expressions/04 - Partial fraction expansion - 03 - Partial fraction expansion 3.webm 11.52MB
  2782. Arts and humanities/06 - Medieval Europe - 01 - A beginner's guide to medieval Europe/01 - A beginner's guide to medieval Europe - 03 - The medieval calendar.webm 11.52MB
  2783. Arts and humanities/06 - Medieval Europe - 02 - Books and the dissemination of knowledge in medieval Europe/02 - Using the medieval book - 01 - The medieval calendar.webm 11.52MB
  2784. Partner content/05 - The J. Paul Getty Museum - 03 - Manuscripts/01 - Manuscripts - 03 - The medieval calendar.webm 11.52MB
  2785. Math/21 - Differential equations - 01 - First order differential equations/04 - Logistic differential equation and function - 02 - Logistic differential equation intuition.webm 11.52MB
  2786. Arts and humanities/04 - Prehistoric art - 02 - Neolithic art/01 - Neolithic art - 03 - Jade Cong.webm 11.52MB
  2787. Test prep/07 - AP* Art History - 03 - Global prehistory_ 30,000-500 B.C.E./01 - Paleolithic, Mesolithic and Neolithic - 02 - Jade Cong.webm 11.52MB
  2788. Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 02 - Public key cryptography_ What is it_.webm 11.51MB
  2789. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/11 - Changing the PV loop - 07 - Arterial elastance (Ea) and afterload.webm 11.51MB
  2790. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 03 - Geithner plan 3.webm 11.51MB
  2791. Partner content/15 - LeBron asks - 01 - LeBron asks/01 - LeBron asks - 08 - Monte Carlo simulation to answer LeBron's question.webm 11.51MB
  2792. Science/04 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 06 - Aromatic heterocycles I.webm 11.51MB
  2793. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/07 - Power series function representation using algebra - 04 - Power series representation using integration.webm 11.50MB
  2794. Science/04 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 01 - Ortho-para directors I.webm 11.50MB
  2795. Science/06 - Health and medicine - 12 - Executive systems of the brain/05 - Emotion - 01 - Emotions_ limbic system.webm 11.49MB
  2796. Test prep/02 - MCAT - 06 - Processing the environment/11 - Emotion - 01 - Emotions_ limbic system.webm 11.49MB
  2797. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 12 - Calculating R-squared.webm 11.49MB
  2798. Math/18 - Differential calculus - 03 - Derivative applications/06 - Optimization with calculus - 04 - Optimizing profit at a shoe factory.webm 11.48MB
  2799. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/04 - Printmaking - 02 - Introduction to relief printmaking.webm 11.48MB
  2800. Partner content/04 - The Museum of Modern Art - 01 - Printmaking/01 - Printmaking - 02 - Introduction to relief printmaking.webm 11.48MB
  2801. Math/21 - Differential equations - 01 - First order differential equations/06 - Exact equations and integrating factors - 03 - Exact equations example 1.webm 11.48MB
  2802. Math/17 - Precalculus - 08 - Limits/01 - Limit basics - 08 - More limits.webm 11.47MB
  2803. Math/18 - Differential calculus - 01 - Limits/05 - Old limits tutorial - 06 - More limits.webm 11.47MB
  2804. Science/02 - Physics - 01 - One-dimensional motion/02 - Acceleration - 02 - Airbus A380 take-off time.webm 11.46MB
  2805. Test prep/02 - MCAT - 04 - Physical processes/03 - Acceleration - 02 - Airbus A380 take-off time.webm 11.46MB
  2806. Science/04 - Organic chemistry - 04 - Stereochemistry/04 - Diastereomers and meso compounds - 03 - Meso compounds.webm 11.46MB
  2807. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 04 - E1 elimination_ Carbocation rearrangements.webm 11.45MB
  2808. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/04 - Early empire - 01 - Augustus of Primaporta.webm 11.45MB
  2809. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./05 - Ancient Rome - 04 - Augustus of Primaporta.webm 11.45MB
  2810. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 18 - IIT JEE integral with binomial expansion.webm 11.45MB
  2811. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/04 - Electrolytic cells and batteries - 05 - Nickel-cadmium battery.webm 11.45MB
  2812. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 19 - Nickel-cadmium battery.webm 11.45MB
  2813. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/05 - Investment and consumption - 07 - Wealth destruction 2.webm 11.45MB
  2814. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 12 - Wealth destruction 2.webm 11.45MB
  2815. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/02 - Diels-Alder reaction - 05 - Diels-Alder V_ Regiochemistry.webm 11.45MB
  2816. Science/06 - Health and medicine - 04 - Circulatory system diseases/09 - Acyanotic heart diseases - 06 - Patent ductus arteriosus.webm 11.44MB
  2817. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/03 - Acyanotic heart diseases - 06 - Patent ductus arteriosus.webm 11.44MB
  2818. Science/06 - Health and medicine - 05 - Advanced respiratory system physiology/02 - Breathing control - 04 - Sneeze, cough, and hiccup.webm 11.44MB
  2819. Partner content/18 - NASA - 03 - Exploring the Universe/03 - Curiosity rover_ mission briefing - 05 - Curiosity's arm.webm 11.44MB
  2820. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 11 - Generalizing with binomial coefficients (bit advanced).webm 11.44MB
  2821. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 11 - Generalizing with binomial coefficients (bit advanced).webm 11.44MB
  2822. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 05 - Column space of a matrix.webm 11.44MB
  2823. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 06 - CA Geometry_ Similar triangles 1.webm 11.43MB
  2824. Science/01 - Biology - 03 - Heredity and evolution/03 - Tree of life - 06 - Human prehistory 101 part 1_ Out of (eastern) Africa.webm 11.42MB
  2825. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/01 - Early Renaissance in Venice - 09 - Mantegna, Dead Christ.webm 11.42MB
  2826. Science/06 - Health and medicine - 04 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 05 - Arteriolosclerosis - part 1.webm 11.42MB
  2827. Science/04 - Organic chemistry - 01 - General chemistry review/02 - Hybridization - 02 - Pi bonds and sp2 hybridized orbitals.webm 11.42MB
  2828. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/02 - Expected value - 05 - Comparing insurance with expected value.webm 11.42MB
  2829. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 04 - Milankovitch cycles precession and obliquity.webm 11.42MB
  2830. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 08 - Genetic shift in flu.webm 11.42MB
  2831. Science/04 - Organic chemistry - 09 - Aromatic compounds/06 - Other reactions and synthesis - 02 - Birch reduction II.webm 11.41MB
  2832. Science/04 - Organic chemistry - 04 - Stereochemistry/03 - Optical activity - 01 - Optical activity I_ Theory.webm 11.41MB
  2833. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 04 - Degas, Visit to a Museum.webm 11.41MB
  2834. Science/06 - Health and medicine - 12 - Executive systems of the brain/05 - Emotion - 03 - Autonomic nervous system (ANS) and physiologic markers of emotion.webm 11.41MB
  2835. Test prep/02 - MCAT - 06 - Processing the environment/11 - Emotion - 03 - Autonomic nervous system (ANS) and physiologic markers of emotion.webm 11.41MB
  2836. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/08 - Giles Shih - President and CEO of BioResource International - 01 - Giles Shih - President and CEO of BioResource International.webm 11.41MB
  2837. Test prep/02 - MCAT - 01 - Biomolecules/07 - Mendelian genetics - 01 - An Introduction to Mendelian Genetics.webm 11.41MB
  2838. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 03 - Hydration.webm 11.40MB
  2839. Math/10 - Algebra basics - 08 - Equations and geometry/02 - Triangle similarity - 02 - Similarity postulates.webm 11.40MB
  2840. Math/13 - Geometry - 04 - Similarity/02 - Triangle similarity - 02 - Similarity postulates.webm 11.40MB
  2841. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/16 - Dave Gilboa and Neil Blumenthal - Co-founders and Co-CEOs of Warby Parker - 03 - Starting and staying in business with friends.webm 11.40MB
  2842. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/04 - Conformations of alkanes and cycloalkanes - 02 - Conformations of butane.webm 11.40MB
  2843. Math/22 - Linear algebra - 02 - Matrix transformations/03 - Transformations and matrix multiplication - 04 - Matrix product associativity.webm 11.40MB
  2844. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 22 - Pierre Le Gros the Younger, Stanislas Kostka on his Deathbed.webm 11.39MB
  2845. Math/16 - Probability and statistics - 07 - Inferential statistics/01 - Normal distribution - 03 - ck12.org normal distribution problems_ Qualitative sense of normal distributions.webm 11.39MB
  2846. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/02 - New York School - 03 - Ed Kienholz and Nancy Reddin Kienholz Useful Art #5_ The Western Hotel, 1992.webm 11.39MB
  2847. Science/04 - Organic chemistry - 04 - Stereochemistry/02 - Chirality and absolute configuration - 01 - Chiral vs achiral.webm 11.39MB
  2848. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 02 - Chiral vs achiral.webm 11.39MB
  2849. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 04 - Curiosity's first drive.webm 11.37MB
  2850. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 04 - Relationship between bond prices and interest rates.webm 11.37MB
  2851. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 14 - DLab_ Instructor reflections on the Spout Bot.webm 11.37MB
  2852. Science/06 - Health and medicine - 04 - Circulatory system diseases/10 - Cyanotic heart diseases - 10 - Hypoplastic left heart syndrome and norwood glenn fontan.webm 11.37MB
  2853. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/04 - Cyanotic heart diseases - 10 - Hypoplastic left heart syndrome and norwood glenn fontan.webm 11.37MB
  2854. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 08 - Bailout 8_ Systemic risk.webm 11.37MB
  2855. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 09 - Bailout 8_ Systemic risk.webm 11.37MB
  2856. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 05 - Pulmonary TB.webm 11.36MB
  2857. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 05 - Pulmonary TB.webm 11.36MB
  2858. Science/06 - Health and medicine - 04 - Circulatory system diseases/08 - Heart valve diseases - 02 - Valvular heart disease causes.webm 11.36MB
  2859. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/09 - Heart valve diseases - 02 - Valvular heart disease causes.webm 11.36MB
  2860. Math/18 - Differential calculus - 02 - Taking derivatives/03 - Introduction to derivatives - 06 - The derivative of f(x)_x^2 for any x.webm 11.35MB
  2861. Science/02 - Physics - 01 - One-dimensional motion/02 - Acceleration - 04 - Why distance is area under velocity-time line.webm 11.34MB
  2862. Test prep/02 - MCAT - 04 - Physical processes/03 - Acceleration - 04 - Why distance is area under velocity-time line.webm 11.34MB
  2863. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 11 - Gabriel Byrne revisiting 'The Quiet Man'.webm 11.34MB
  2864. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 04 - Modigliani, Young Woman in a Shirt.webm 11.34MB
  2865. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 14 - 2011 Calculus BC free response #6b.webm 11.34MB
  2866. Test prep/02 - MCAT - 01 - Biomolecules/08 - Chromosomal inheritance - 07 - Gene mapping.webm 11.33MB
  2867. Economics and finance/01 - Microeconomics - 07 - Game theory and Nash equilibrium/02 - Why parties in a cartel will cheat - 01 - Why parties to cartels cheat.webm 11.33MB
  2868. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/02 - Alkene reactions - 03 - Addition of water (acid-catalyzed) mechanism.webm 11.31MB
  2869. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 08 - Spin-spin splitting (coupling).webm 11.31MB
  2870. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 08 - Spin-spin splitting (coupling).webm 11.31MB
  2871. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 03 - Currency effect on trade review.webm 11.31MB
  2872. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 10 - Munch, The Storm.webm 11.30MB
  2873. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 06 - Preparation of amides using DCC.webm 11.30MB
  2874. Test prep/02 - MCAT - 05 - Chemical processes/14 - Carboxylic acids - 06 - Preparation of amides using DCC.webm 11.30MB
  2875. Partner content/04 - The Museum of Modern Art - 07 - Performance Art/01 - Performance Art - 08 - Marina Abramović_ 'Cleaning the House' workshop.webm 11.30MB
  2876. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/03 - Naming alkanes, cycloalkanes, and bicyclic compounds - 02 - Alkane and cycloalkane nomenclature ii.webm 11.30MB
  2877. Math/13 - Geometry - 08 - Special properties and parts of triangles/05 - Bringing it all together - 03 - Euler's line proof.webm 11.29MB
  2878. Math/13 - Geometry - 03 - Congruence/02 - Congruence postulates - 04 - Two column proof showing segments are perpendicular.webm 11.29MB
  2879. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 15 - CA Algebra I_ Slope and y-intercept.webm 11.28MB
  2880. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 06 - ROA discussion 1.webm 11.28MB
  2881. Math/21 - Differential equations - 01 - First order differential equations/04 - Logistic differential equation and function - 03 - Solving the logistic differential equation part 1.webm 11.27MB
  2882. Math/17 - Precalculus - 06 - Sequences, series and induction/06 - Advanced sequences and series - 01 - 2003 AIME II problem 8.webm 11.27MB
  2883. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 12 - 2003 AIME II problem 8.webm 11.27MB
  2884. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 04 - Proof (advanced)_ Field from infinite plate (part 2).webm 11.27MB
  2885. Arts and humanities/07 - Renaissance and Reformation - 05 - Mannerism/01 - Mannerism - 07 - Bronzino and the Mannerist Portrait.webm 11.27MB
  2886. Science/07 - Discoveries and projects - 04 - Lego robotics/05 - Programming basics - 02 - Loop block.webm 11.26MB
  2887. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/04 - Inverse trig functions - 03 - Inverse trig functions_ arctan.webm 11.26MB
  2888. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 13 - Surface integral ex3 part 3_ Top surface.webm 11.26MB
  2889. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/03 - Stellar parallax - 03 - Stellar distance using parallax.webm 11.26MB
  2890. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/10 - Lara Morgan - Founder of Pacific Direct - 01 - Lara Morgan - Founder of Pacific Direct.webm 11.26MB
  2891. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 14 - CA Geometry_ Pythagorean theorem, compass constructions.webm 11.26MB
  2892. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/19 - Toby Rush - CEO and Founder of EyeVerify - 02 - Staying grounded.webm 11.25MB
  2893. Science/03 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 04 - First-order reaction example.webm 11.25MB
  2894. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 07 - First-order reaction example.webm 11.25MB
  2895. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/09 - Taylor series approximations - 07 - Error or remainder of a Taylor polynomial approximation.webm 11.25MB
  2896. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 13 - Mass spectrometer.webm 11.25MB
  2897. Science/03 - Chemistry - 03 - Electronic structure of atoms/01 - Bohr's model of the hydrogen atom - 04 - Bohr model energy levels (derivation using physics).webm 11.25MB
  2898. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 04 - Bohr model energy levels (derivation using physics).webm 11.25MB
  2899. Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 03 - Perfect inelasticity and perfect elasticity of demand.webm 11.24MB
  2900. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 22 - Inflammation.webm 11.24MB
  2901. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/03 - Scale of earth, sun, galaxy and universe - 03 - Scale of distance to closest stars.webm 11.23MB
  2902. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 21 - Power connector for the Arduino.webm 11.23MB
  2903. Math/16 - Probability and statistics - 01 - Independent and dependent events/02 - Venn diagrams and adding probabilities - 01 - Probability with playing cards and Venn diagrams.webm 11.23MB
  2904. Math/17 - Precalculus - 05 - Probability and combinatorics/02 - Venn diagrams and the addition rule - 01 - Probability with playing cards and Venn diagrams.webm 11.23MB
  2905. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/03 - Surrealism - 02 - Conservation - René Magritte, 'The Portrait,' 1935.webm 11.22MB
  2906. Partner content/04 - The Museum of Modern Art - 03 - Behind the scenes at MoMA/01 - Behind the scenes at MoMA - 07 - Conservation - René Magritte, 'The Portrait,' 1935.webm 11.22MB
  2907. Math/02 - 3rd grade (U.S.) - 01 - Addition and subtraction/01 - Adding with regrouping within 1000 - 01 - Adding_ base ten warmup.webm 11.22MB
  2908. Math/03 - 4th grade (U.S.) - 01 - Addition and subtraction/01 - Adding multi-digit numbers - 01 - Adding_ base ten warmup.webm 11.22MB
  2909. Math/23 - Recreational math - 03 - Math warmups/05 - Arithmetic warmups - 02 - Adding_ base ten warmup.webm 11.22MB
  2910. Science/06 - Health and medicine - 08 - Hematologic system diseases/02 - Leukemia - 03 - Leukemia pathophysiology.webm 11.22MB
  2911. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 03 - Leukemia pathophysiology.webm 11.22MB
  2912. Science/06 - Health and medicine - 06 - Respiratory system diseases/14 - Bronchiolitis - 04 - Bronchiolitis treatment.webm 11.22MB
  2913. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/06 - Bronchiolitis - 04 - Bronchiolitis treatment.webm 11.22MB
  2914. Science/06 - Health and medicine - 05 - Advanced respiratory system physiology/01 - Gas exchange - 03 - Henry's law.webm 11.21MB
  2915. Test prep/02 - MCAT - 03 - Organ systems/09 - Respiratory system - 05 - Henry's law.webm 11.21MB
  2916. Test prep/03 - NCLEX-RN - 04 - Respiratory system/01 - Respiratory system - 05 - Henry's law.webm 11.21MB
  2917. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 03 - TB pathogenesis.webm 11.21MB
  2918. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 03 - TB pathogenesis.webm 11.21MB
  2919. Computing/01 - Computer programming - 01 - Intro to JS_ Drawing and Animation/01 - Intro to programming - 02 - A Tour of Programming on Khan Academy.webm 11.20MB
  2920. Science/06 - Health and medicine - 04 - Circulatory system diseases/01 - Coronary artery disease - 07 - Heart attack (myocardial infarction) interventions and treatment.webm 11.20MB
  2921. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/01 - Coronary artery disease - 07 - Heart attack (myocardial infarction) interventions and treatment.webm 11.20MB
  2922. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 07 - Acid and base-catalyzed hydrolysis of amides.webm 11.20MB
  2923. Test prep/02 - MCAT - 05 - Chemical processes/15 - Carboxylic acid derivatives - 07 - Acid and base-catalyzed hydrolysis of amides.webm 11.20MB
  2924. Partner content/12 - Stanford School of Medicine - 03 - Growth and Metabolism/01 - Growth and Metabolism - 01 - Basics of Metabolism.webm 11.20MB
  2925. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 17 - Gentileschi, Judith and Holofernes.webm 11.19MB
  2926. Arts and humanities/09 - Becoming modern - 02 - Romanticism/04 - England - 04 - Turner, Slave Ship.webm 11.19MB
  2927. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./01 - Enlightenment and revolution - 06 - Turner, Slave Ship.webm 11.19MB
  2928. Test prep/02 - MCAT - 01 - Biomolecules/14 - Krebs (citric acid) cycle and oxidative phosphorylation - 03 - Regulation of Krebs-TCA cycle.webm 11.18MB
  2929. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/03 - Western and Eastern fronts of World War I - 06 - Technology in World War I.webm 11.18MB
  2930. Math/16 - Probability and statistics - 07 - Inferential statistics/01 - Normal distribution - 04 - ck12.org normal distribution problems_ Empirical rule.webm 11.18MB
  2931. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/08 - Giles Shih - President and CEO of BioResource International - 02 - Giles Shih - The importance of education.webm 11.18MB
  2932. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/16 - Dave Gilboa and Neil Blumenthal - Co-founders and Co-CEOs of Warby Parker - 01 - A fix for a broken industry.webm 11.17MB
  2933. Math/18 - Differential calculus - 01 - Limits/08 - Epsilon delta definition of limits - 05 - Epsilon-delta limit definition 1.webm 11.17MB
  2934. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/02 - Sumerian - 02 - Standing Male Worshipper from Tell Asmar.webm 11.17MB
  2935. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./01 - Ancient Near East - 01 - Standing Male Worshipper from Tell Asmar.webm 11.17MB
  2936. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 14 - Conservation of Jackson Pollock's Mural.webm 11.16MB
  2937. Test prep/02 - MCAT - 07 - Behavior/04 - Theories of personality - 06 - Trait theory.webm 11.16MB
  2938. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/01 - Buffer solutions - 04 - Buffer solution calculations.webm 11.16MB
  2939. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 13 - Buffer solution calculations.webm 11.16MB
  2940. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 12 - Buffer solution calculations.webm 11.16MB
  2941. Science/04 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 07 - Aromatic heterocycles II.webm 11.16MB
  2942. Math/16 - Probability and statistics - 04 - Descriptive statistics/04 - Sal's old statistics videos - 02 - Statistics_ Variance of a population.webm 11.16MB
  2943. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/03 - Series - 10 - Partial fraction decomposition to find sum of telescoping series.webm 11.16MB
  2944. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/02 - Formation of carboxylic acid derivatives - 04 - Relative stability of amides, esters, anhydrides, and acyl chlorides.webm 11.16MB
  2945. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 05 - Common and systematic naming_ iso-, sec-, and tert- prefixes.webm 11.15MB
  2946. Science/07 - Discoveries and projects - 04 - Lego robotics/03 - Coin detector - 04 - Switch statements and logic.webm 11.15MB
  2947. Science/07 - Discoveries and projects - 04 - Lego robotics/05 - Programming basics - 05 - Switch statements and logic.webm 11.15MB
  2948. Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 01 - The fundamental theorem of arithmetic.webm 11.15MB
  2949. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 07 - Population dynamics.webm 11.15MB
  2950. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 05 - Masaccio, Expulsion of Adam and Eve from Eden.webm 11.14MB
  2951. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 05 - Left ventricular volume vs. time.webm 11.14MB
  2952. Test prep/02 - MCAT - 08 - Individuals and society/01 - Self-identity - 06 - Vygotsky sociocultural development.webm 11.14MB
  2953. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 12 - New research points to dinosaurs' colorful past.webm 11.13MB
  2954. Math/08 - Arithmetic - 04 - Decimals/12 - Significant figures - 04 - Multiplying and dividing with significant figures.webm 11.13MB
  2955. Math/09 - Pre-algebra - 03 - Decimals/12 - Significant figures - 04 - Multiplying and dividing with significant figures.webm 11.13MB
  2956. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/03 - Late Victorian - 01 - Leighton, an Athlete Wrestling with a Python.webm 11.12MB
  2957. Math/22 - Linear algebra - 02 - Matrix transformations/07 - Transpose of a matrix - 08 - rank(a) _ rank(transpose of a).webm 11.12MB
  2958. Math/14 - Algebra II - 08 - Conic sections/05 - Hyperbolas - 03 - Conic sections_ Hyperbolas 3.webm 11.12MB
  2959. Science/06 - Health and medicine - 05 - Advanced respiratory system physiology/01 - Gas exchange - 01 - Alveolar gas equation - part 1.webm 11.11MB
  2960. Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 05 - Inflation, deflation, and capacity utilization 2.webm 11.11MB
  2961. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 15 - CA Geometry_ Compass construction.webm 11.11MB
  2962. Math/18 - Differential calculus - 02 - Taking derivatives/01 - Introduction to differential calculus - 01 - Newton, Leibniz, and Usain Bolt.webm 11.11MB
  2963. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 05 - Primaries and caucuses.webm 11.11MB
  2964. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 19 - Magnetism 4.webm 11.10MB
  2965. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 19 - IIT JEE symmetric and skew-symmetric matrices.webm 11.10MB
  2966. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 05 - Star field and nebula images.webm 11.10MB
  2967. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 02 - Proving vector dot product properties.webm 11.10MB
  2968. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 06 - Testing for the flu.webm 11.10MB
  2969. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 19 - GMAT_ Math 19.webm 11.09MB
  2970. Math/19 - Integral calculus - 01 - Integrals/03 - Riemann sums - 03 - Approximating distance travelled.webm 11.09MB
  2971. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/02 - Blood pressure control - 11 - Aldosterone and ADH.webm 11.09MB
  2972. Test prep/02 - MCAT - 03 - Organ systems/13 - Renal regulation of blood pressure - 09 - Aldosterone and ADH.webm 11.09MB
  2973. Test prep/03 - NCLEX-RN - 10 - Renal system/02 - Renal regulation of blood pressure - 09 - Aldosterone and ADH.webm 11.09MB
  2974. Math/19 - Integral calculus - 03 - Integration applications/06 - Solids of revolution - shell method - 02 - Evaluating integral for shell method example.webm 11.09MB
  2975. Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 07 - Cross elasticity of demand.webm 11.08MB
  2976. Test prep/07 - AP* Art History - 07 - Indigenous Americas/01 - Indigenous Americas - 01 - Chavin (Archaeological Site) (UNESCO_NHK).webm 11.08MB
  2977. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 06 - Gustave Caillebotte, Paris Street; Rainy Day.webm 11.08MB
  2978. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/03 - Western and Eastern fronts of World War I - 01 - Schlieffen Plan and the First Battle of the Marne.webm 11.08MB
  2979. Science/04 - Organic chemistry - 04 - Stereochemistry/04 - Diastereomers and meso compounds - 01 - Stereoisomers, enantiomers, diastereomers, constitutional isomers and meso compounds.webm 11.07MB
  2980. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/03 - Naming alkanes, cycloalkanes, and bicyclic compounds - 01 - Alkane and cycloalkane nomenclature i.webm 11.07MB
  2981. Arts and humanities/06 - Medieval Europe - 04 - Byzantine (late Roman Empire)/02 - Constantinople and the East - 06 - Icon of the Triumph of Orthodoxy.webm 11.07MB
  2982. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 05 - Decibel Scale.webm 11.07MB
  2983. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/05 - Big bang and expansion of the universe - 08 - A universe smaller than the observable.webm 11.06MB
  2984. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 03 - The Holy Thorn Reliquary of Jean, duc de Berry.webm 11.06MB
  2985. Partner content/03 - The British Museum - 04 - Europe/04 - Renaissance - 01 - The Holy Thorn Reliquary of Jean, duc de Berry.webm 11.06MB
  2986. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/04 - Orthonormal bases and the Gram-Schmidt process - 01 - Introduction to orthonormal bases.webm 11.06MB
  2987. Test prep/02 - MCAT - 01 - Biomolecules/09 - Evolution and population dynamics - 02 - Fitness and fecundity.webm 11.06MB
  2988. Science/02 - Physics - 07 - Gravitation/01 - Newton's law of gravitation - 06 - Space station speed in orbit.webm 11.05MB
  2989. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 06 - Bailout 6_ Getting an equity infusion.webm 11.05MB
  2990. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 07 - Bailout 6_ Getting an equity infusion.webm 11.05MB
  2991. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/06 - Life of Benjamin Franklin - 05 - Benjamin Franklin the inventor.webm 11.05MB
  2992. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/02 - Benjamin Franklin - 05 - Benjamin Franklin the inventor.webm 11.05MB
  2993. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/02 - Historical circumstances explained by AD_AS - 01 - Demand-pull inflation under Johnson.webm 11.05MB
  2994. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/03 - The business cycle - 01 - The business cycle.webm 11.04MB
  2995. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 15 - Burne-Jones, Hope.webm 11.03MB
  2996. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/01 - Random variables and probability distributions - 02 - Discrete and continuous random variables.webm 11.03MB
  2997. Arts and humanities/10 - Age of global conflict - 08 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 07 - Richard Serra, 'Torqued Ellipse IV,' 1998.webm 11.02MB
  2998. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 08 - Richard Serra, 'Torqued Ellipse IV,' 1998.webm 11.02MB
  2999. Science/04 - Organic chemistry - 14 - Spectroscopy/01 - Infrared Spectroscopy - 07 - Symmetric and asymmetric stretching.webm 11.02MB
  3000. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 07 - Symmetric and asymmetric stretching.webm 11.02MB
  3001. Test prep/02 - MCAT - 05 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 02 - Lipids - Structure in cell membranes.webm 11.02MB
  3002. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/03 - Line integrals in vector fields - 08 - Example of closed line integral of conservative field.webm 11.02MB
  3003. Math/16 - Probability and statistics - 04 - Descriptive statistics/04 - Sal's old statistics videos - 01 - Statistics_ The average.webm 11.01MB
  3004. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/08 - Maclaurin series and Euler's identity - 08 - Finding power series through integration.webm 11.01MB
  3005. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/09 - Taylor series approximations - 05 - Finding power series through integration.webm 11.01MB
  3006. Math/14 - Algebra II - 03 - Polynomial and rational functions/13 - Asymptotes and graphing rational functions - 03 - A third example of graphing a rational function.webm 11.01MB
  3007. Math/14 - Algebra II - 04 - Rational expressions/03 - Graphing rational functions - 05 - A third example of graphing a rational function.webm 11.01MB
  3008. Math/11 - Algebra I - 05 - Systems of equations and inequalities/08 - Systems of inequalities - 04 - Graphing systems of inequalities 2.webm 11.00MB
  3009. Math/14 - Algebra II - 01 - Systems of equations and inequalities/02 - Systems of inequalities - 03 - Graphing systems of inequalities 2.webm 11.00MB
  3010. Science/06 - Health and medicine - 04 - Circulatory system diseases/06 - Cardiomyopathy - 01 - What is cardiomyopathy_.webm 11.00MB
  3011. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/06 - Cardiomyopathy - 01 - What is cardiomyopathy_.webm 11.00MB
  3012. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/19 - Toby Rush - CEO and Founder of EyeVerify - 01 - University scientist meets entrepreneur.webm 11.00MB
  3013. Test prep/02 - MCAT - 05 - Chemical processes/07 - Separations and purifications - 01 - Simple and fractional distillations.webm 11.00MB
  3014. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/01 - Blood pressure - 08 - Blood pressure changes over time.webm 11.00MB
  3015. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/04 - Central Italy - 01 - Piero della Francesca, The Baptism of Christ.webm 11.00MB
  3016. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 08 - GMAT_ Data sufficiency 8.webm 11.00MB
  3017. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/11 - The Cold War - 07 - Pattern of US Cold War interventions.webm 10.99MB
  3018. Economics and finance/03 - Finance and capital markets - 02 - Housing/02 - Renting vs. buying a home - 03 - Renting vs. buying a home (part 2).webm 10.99MB
  3019. Math/19 - Integral calculus - 01 - Integrals/08 - Improper integrals - 02 - Improper integral with two infinite bounds.webm 10.99MB
  3020. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 07 - Bitcoin_ Transaction block chains.webm 10.99MB
  3021. Math/15 - Trigonometry - 04 - Trig identities and examples/07 - Advanced trig examples - 05 - IIT JEE trigonometric constraints.webm 10.99MB
  3022. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 28 - IIT JEE trigonometric constraints.webm 10.99MB
  3023. Science/06 - Health and medicine - 04 - Circulatory system diseases/08 - Heart valve diseases - 08 - Mitral stenosis.webm 10.98MB
  3024. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/09 - Heart valve diseases - 08 - Mitral stenosis.webm 10.98MB
  3025. Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 01 - Symbol rate.webm 10.98MB
  3026. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/01 - Ceramics and glass - 03 - Ancient and Byzantine mosaic materials.webm 10.98MB
  3027. Science/04 - Organic chemistry - 14 - Spectroscopy/01 - Infrared Spectroscopy - 08 - IR signals for carbonyl compounds.webm 10.97MB
  3028. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 08 - IR signals for carbonyl compounds.webm 10.97MB
  3029. Partner content/03 - The British Museum - 03 - Asia/04 - Afghanistan - 05 - Afghanistan_ returning ivories.webm 10.97MB
  3030. Science/03 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 03 - Ideal gas equation example 1.webm 10.97MB
  3031. Math/11 - Algebra I - 07 - Quadratic equations/08 - Quadratic odds and ends - 04 - Examples_ Graphing and interpreting quadratics.webm 10.97MB
  3032. Science/06 - Health and medicine - 02 - Human anatomy and physiology/11 - Lymphatic system introduction - 01 - Why we need a lymphatic system.webm 10.97MB
  3033. Test prep/02 - MCAT - 03 - Organ systems/10 - Lymphatic system - 01 - Why we need a lymphatic system.webm 10.97MB
  3034. Test prep/03 - NCLEX-RN - 08 - Lymphatic system/01 - Lymphatic system - 01 - Why we need a lymphatic system.webm 10.97MB
  3035. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/05 - Middle empire - 08 - Equestrian Sculpture of Marcus Aurelius.webm 10.97MB
  3036. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 22 - 2003 AIME II problem 15 (part 2).webm 10.97MB
  3037. Math/13 - Geometry - 05 - Right triangles and trigonometry/04 - Sine, cosine and tangent trigonometric functions - 03 - Basic trigonometry II.webm 10.97MB
  3038. Math/15 - Trigonometry - 01 - Basic trigonometry/01 - Basic trigonometric ratios - 03 - Basic trigonometry II.webm 10.97MB
  3039. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/05 - Credit default swaps - 03 - Credit default swaps 2.webm 10.96MB
  3040. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 10 - Credit default swaps 2.webm 10.96MB
  3041. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 05 - GMAT_ Data sufficiency 5.webm 10.96MB
  3042. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 04 - Titration of a strong acid with a strong base.webm 10.96MB
  3043. Test prep/02 - MCAT - 05 - Chemical processes/02 - Titrations - 03 - Titration of a strong acid with a strong base.webm 10.96MB
  3044. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 12 - Statistics_ Alternate variance formulas.webm 10.96MB
  3045. Science/03 - Chemistry - 05 - Chemical bonds/03 - Hybridization and hybrid orbitals - 04 - Sp hybridization.webm 10.96MB
  3046. Science/04 - Organic chemistry - 01 - General chemistry review/03 - Hybrid orbitals - 04 - Sp hybridization.webm 10.96MB
  3047. Test prep/02 - MCAT - 05 - Chemical processes/06 - Covalent bonds - 07 - Sp hybridization.webm 10.96MB
  3048. Partner content/02 - Tate - 01 - Meet 500 years of British art/01 - Welcome to 500 years of British art - 01 - Director's Highlights_ Penelope Curtis.webm 10.96MB
  3049. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 18 - Guercino, Saint Luke Displaying a Painting of the Virgin.webm 10.96MB
  3050. Math/15 - Trigonometry - 03 - Graphs of trig functions/01 - Graphs of trig functions - 06 - Example_ Amplitude and period transformations.webm 10.95MB
  3051. Science/06 - Health and medicine - 08 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 03 - Iron deficency anemia diagnosis.webm 10.95MB
  3052. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 03 - Iron deficency anemia diagnosis.webm 10.95MB
  3053. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 11 - Kant_ On Space Part 2.webm 10.95MB
  3054. Arts and humanities/10 - Age of global conflict - 03 - World War I, Futurism and Dada/02 - Dada - 04 - Duchamp, Boite-en-valise (the red box), series F.webm 10.95MB
  3055. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/07 - Black-Scholes formula - 01 - Introduction to the Black-Scholes formula.webm 10.95MB
  3056. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 03 - Bailout 3_ Book value vs. market value.webm 10.95MB
  3057. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 04 - Bailout 3_ Book value vs. market value.webm 10.95MB
  3058. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 08 - Officer on horseback.webm 10.95MB
  3059. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 05 - Electronegativity and chemical shift.webm 10.94MB
  3060. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 05 - Electronegativity and chemical shift.webm 10.94MB
  3061. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 14 - 5 common flu vaccine excuses.webm 10.94MB
  3062. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/02 - Blood pressure control - 10 - ADH effects on blood pressure.webm 10.94MB
  3063. Test prep/02 - MCAT - 03 - Organ systems/13 - Renal regulation of blood pressure - 08 - ADH effects on blood pressure.webm 10.94MB
  3064. Test prep/03 - NCLEX-RN - 10 - Renal system/02 - Renal regulation of blood pressure - 08 - ADH effects on blood pressure.webm 10.94MB
  3065. Test prep/02 - MCAT - 01 - Biomolecules/13 - Carbohydrate Metabolism - 05 - Regulation of glycolysis and gluconeogenesis.webm 10.93MB
  3066. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 02 - Nucleic acid structure 1.webm 10.93MB
  3067. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/15 - LaKeshia Grant - CEO and Founder of Virtual Enterprise Architects - 01 - Being Heard and Giving Others a Voice.webm 10.93MB
  3068. Science/02 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 05 - Newton's third law of motion.webm 10.93MB
  3069. Test prep/02 - MCAT - 04 - Physical processes/04 - Newton's laws and equilibrium - 05 - Newton's third law of motion.webm 10.93MB
  3070. Math/21 - Differential equations - 03 - Laplace transform/03 - Laplace transform to solve a differential equation - 02 - Laplace transform solves an equation 2.webm 10.93MB
  3071. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 11 - Banking 11_ A reserve bank.webm 10.92MB
  3072. Science/06 - Health and medicine - 07 - Advanced hematologic system physiology/01 - Bleeding and impaired hemostasis - 04 - Anticoagulation and thrombolysis.webm 10.92MB
  3073. Partner content/14 - MIT_K12 - 04 - Measurement/01 - Measurement - 02 - Earth's Tilt 1_ The Reason for the Seasons.webm 10.92MB
  3074. Math/14 - Algebra II - 03 - Polynomial and rational functions/10 - Binomial theorem - 07 - Binomial theorem combinatorics connection.webm 10.92MB
  3075. Science/06 - Health and medicine - 04 - Circulatory system diseases/08 - Heart valve diseases - 03 - How to identify murmurs.webm 10.91MB
  3076. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/09 - Heart valve diseases - 03 - How to identify murmurs.webm 10.91MB
  3077. Math/16 - Probability and statistics - 01 - Independent and dependent events/04 - Dependent probability - 06 - Analyzing dependent probability.webm 10.91MB
  3078. Math/16 - Probability and statistics - 07 - Inferential statistics/06 - Hypothesis testing with two samples - 01 - Variance of differences of random variables.webm 10.91MB
  3079. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/05 - Big bang and expansion of the universe - 05 - Cosmic background radiation.webm 10.91MB
  3080. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/02 - Synthesis of alcohols - 03 - Synthesis of alcohols using Grignard reagents I.webm 10.91MB
  3081. Math/11 - Algebra I - 09 - Functions/04 - Direct and inverse variation - 04 - Direct variation models.webm 10.91MB
  3082. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 27 - Magnetism 12_ Induced current in a wire.webm 10.91MB
  3083. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/03 - Cubism and its impact - 01 - Picasso, Les Demoiselles d'Avignon.webm 10.90MB
  3084. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./02 - Modernism - 03 - Picasso, Les Demoiselles d'Avignon.webm 10.90MB
  3085. Science/04 - Organic chemistry - 09 - Aromatic compounds/02 - Reactions of benzene - 01 - Resonance.webm 10.90MB
  3086. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/01 - United States - 07 - Colescott, Beauty is in the Eye of the Beholder.webm 10.90MB
  3087. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/04 - Orthonormal bases and the Gram-Schmidt process - 06 - Orthogonal matrices preserve angles and lengths.webm 10.90MB
  3088. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/03 - Credit cards and loans - 02 - Institutional roles in issuing and processing credit cards.webm 10.90MB
  3089. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 02 - Giorgione, Three Philosophers.webm 10.90MB
  3090. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/02 - Formation of carboxylic acid derivatives - 02 - Acid chloride formation.webm 10.90MB
  3091. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/02 - Quasars and galactive collisions - 01 - Quasars.webm 10.89MB
  3092. Science/02 - Physics - 01 - One-dimensional motion/02 - Acceleration - 01 - Acceleration.webm 10.89MB
  3093. Test prep/02 - MCAT - 04 - Physical processes/03 - Acceleration - 01 - Acceleration.webm 10.89MB
  3094. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/04 - Early classical - 02 - Charioteer of Delphi.webm 10.89MB
  3095. Science/03 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 06 - Standard change in free energy and the equilibrium constant.webm 10.88MB
  3096. Test prep/02 - MCAT - 05 - Chemical processes/18 - Equilibrium - 04 - Standard change in free energy and the equilibrium constant.webm 10.88MB
  3097. Partner content/09 - Asian Art Museum - 08 - Hinduism/01 - Hinduism - 01 - The Hindu deity Shiva.webm 10.88MB
  3098. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/03 - Molecular orbital theory - 01 - Intro to molecular orbital (mo) theory.webm 10.88MB
  3099. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/04 - Time scale of the cosmos - 01 - Cosmological time scale 1.webm 10.87MB
  3100. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/03 - Line integrals in vector fields - 02 - Using a line integral to find the work done by a vector field example.webm 10.87MB
  3101. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 06 - Gauguin, Nevermore.webm 10.86MB
  3102. Science/01 - Biology - 02 - Human biology/05 - Immunology - 04 - Professional antigen presenting cells (APC) and MHC II complexes.webm 10.86MB
  3103. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 04 - Professional antigen presenting cells (APC) and MHC II complexes.webm 10.86MB
  3104. Test prep/02 - MCAT - 03 - Organ systems/11 - Immune system - 04 - Professional antigen presenting cells (APC) and MHC II complexes.webm 10.86MB
  3105. Test prep/03 - NCLEX-RN - 09 - Immune system/01 - Immune system - 04 - Professional antigen presenting cells (APC) and MHC II complexes.webm 10.86MB
  3106. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/07 - 2011-2012 Greek debt crisis - 04 - Why Europe is worried about Greece.webm 10.86MB
  3107. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 07 - ROA discussion 2.webm 10.86MB
  3108. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 08 - Bitcoin_ The money supply.webm 10.86MB
  3109. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/08 - Cranach and Altdorfer - 04 - Cranach the Elder, Judith with the Head of Holofernes.webm 10.86MB
  3110. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 05 - Oxidation reduction or redox reactions.webm 10.86MB
  3111. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 13 - Proton NMR practice 1.webm 10.86MB
  3112. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 13 - Proton NMR practice 1.webm 10.86MB
  3113. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 03 - Becoming a red giant.webm 10.86MB
  3114. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 09 - Manet, The Railway.webm 10.85MB
  3115. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/04 - Cepheid variables - 01 - Cepheid variables 1.webm 10.85MB
  3116. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 11 - Circuits (part 3).webm 10.85MB
  3117. Test prep/02 - MCAT - 04 - Physical processes/14 - Current and resistance - 03 - Circuits (part 3).webm 10.85MB
  3118. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 12 - Robert Motherwell, Elegy to the Spanish Republic No. 57.webm 10.85MB
  3119. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 07 - Historiated capitals, Church of Sant Miquel, Camarasa (Noguera).webm 10.85MB
  3120. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/05 - Sculpture - 02 - Rodin, The Gates of Hell.webm 10.85MB
  3121. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 07 - Sn1 vs Sn2_ Summary.webm 10.85MB
  3122. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 20 - Raphael, Alba Madonna.webm 10.84MB
  3123. Partner content/06 - California Academy of Sciences - 03 - Where is biodiversity found_/01 - Biodiversity Hotspots - 07 - Biodiversity hotspot case study_ Philippines.webm 10.84MB
  3124. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 08 - Bernini, Saint Peter's Square.webm 10.84MB
  3125. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/01 - What is a dinosaur_ - 02 - How do dinosaurs get their names_.webm 10.84MB
  3126. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 05 - Ethics_ God and morality part 1.webm 10.84MB
  3127. Science/06 - Health and medicine - 06 - Respiratory system diseases/08 - Pneumonia - 03 - Pulmonary abscess.webm 10.84MB
  3128. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/08 - Pneumonia - 04 - Pulmonary abscess.webm 10.84MB
  3129. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/02 - Neuron membrane potentials - 03 - Neuron graded potential description.webm 10.83MB
  3130. Test prep/02 - MCAT - 03 - Organ systems/03 - Neuron membrane potentials - 03 - Neuron graded potential description.webm 10.83MB
  3131. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/05 - Present value - 05 - Present value 4 (and discounted cash flow).webm 10.83MB
  3132. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/06 - Personal bankruptcy - 01 - Personal bankruptcy_ Chapters 7 and 13.webm 10.83MB
  3133. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/08 - Rise of Hitler and the Nazis - 01 - Initial rise of Hitler and the Nazis.webm 10.83MB
  3134. Arts and humanities/05 - Ancient art and civilizations - 03 - Aegean art/01 - Cycladic - 01 - Harp Player, Early Cycladic period.webm 10.83MB
  3135. Math/19 - Integral calculus - 01 - Integrals/07 - Evaluating definite integrals - 03 - Intuition for second fundamental theorem of calculus.webm 10.82MB
  3136. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 07 - Septic shock - pathophysiology and symptoms.webm 10.82MB
  3137. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 07 - Septic shock - pathophysiology and symptoms.webm 10.82MB
  3138. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 02 - Creating the ideal student experience in a blended learning classroom/02 - The learning environment in a station rotation, lab rotation and flex model - 02 - Redesigning the school day at Navigator Schools using a lab rotation model.webm 10.82MB
  3139. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/05 - Function notation - 03 - Evaluating with function notation.webm 10.82MB
  3140. Math/11 - Algebra I - 09 - Functions/01 - Function introduction - 04 - Evaluating with function notation.webm 10.82MB
  3141. Math/14 - Algebra II - 02 - Functions and their graphs/01 - Function introduction - 04 - Evaluating with function notation.webm 10.82MB
  3142. Science/03 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 02 - Plotting data for a first-order reaction.webm 10.81MB
  3143. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 05 - Plotting data for a first-order reaction.webm 10.81MB
  3144. Math/11 - Algebra I - 01 - Introduction to algebra/01 - Overview and history of algebra - 01 - Origins of algebra.webm 10.81MB
  3145. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 05 - Parts.webm 10.81MB
  3146. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/01 - History of life on earth - 01 - Earth formation.webm 10.81MB
  3147. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 13 - Fallacies_ Fallacy of division.webm 10.81MB
  3148. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/07 - Heart depolarization - 10 - Thinking about heartbeats.webm 10.81MB
  3149. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/04 - Blood vessels - 01 - Layers of a blood vessel.webm 10.80MB
  3150. Test prep/02 - MCAT - 03 - Organ systems/07 - Circulatory system - 06 - Layers of a blood vessel.webm 10.80MB
  3151. Test prep/03 - NCLEX-RN - 02 - Circulatory system/01 - Circulatory system - 05 - Layers of a blood vessel.webm 10.80MB
  3152. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 03 - Earnings and EPS.webm 10.80MB
  3153. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 11 - Estrogen.webm 10.80MB
  3154. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 11 - Estrogen.webm 10.80MB
  3155. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/03 - Late Victorian - 02 - Alma-Tadema, Listening to Homer.webm 10.80MB
  3156. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 06 - Drawing a pressure-volume loop.webm 10.80MB
  3157. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/06 - T.A. McCann - Founder and CEO of Gist - 01 - T.A. McCann - Founder and CEO of Gist.webm 10.80MB
  3158. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 13 - Snell's law example 2.webm 10.80MB
  3159. Test prep/02 - MCAT - 04 - Physical processes/24 - Reflection and refraction - 06 - Snell's law example 2.webm 10.80MB
  3160. Science/02 - Physics - 01 - One-dimensional motion/03 - Kinematic formulas and projectile motion - 05 - Projectile height given time.webm 10.79MB
  3161. Math/13 - Geometry - 03 - Congruence/02 - Congruence postulates - 01 - Congruent triangles and SSS.webm 10.79MB
  3162. Math/22 - Linear algebra - 02 - Matrix transformations/01 - Functions and linear transformations - 11 - More on matrix addition and scalar multiplication.webm 10.79MB
  3163. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 04 - CA Geometry_ Proof by contradiction.webm 10.79MB
  3164. Science/06 - Health and medicine - 02 - Human anatomy and physiology/10 - Integumentary system introduction - 03 - What lies beneath the epidermis_ (Dermis and Hypodermis).webm 10.79MB
  3165. Test prep/02 - MCAT - 03 - Organ systems/17 - Integumentary system - 03 - What lies beneath the epidermis_ (Dermis and Hypodermis).webm 10.79MB
  3166. Science/06 - Health and medicine - 02 - Human anatomy and physiology/01 - Circulatory system introduction - 07 - Arteries vs. veins - what's the difference_.webm 10.77MB
  3167. Science/06 - Health and medicine - 04 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 01 - Arteries vs. veins - what's the difference_.webm 10.77MB
  3168. Test prep/02 - MCAT - 03 - Organ systems/07 - Circulatory system - 07 - Arteries vs. veins - what's the difference_.webm 10.77MB
  3169. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 12 - Arteries vs. veins - what's the difference_.webm 10.77MB
  3170. Test prep/03 - NCLEX-RN - 02 - Circulatory system/01 - Circulatory system - 06 - Arteries vs. veins - what's the difference_.webm 10.77MB
  3171. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 21 - Federal Reserve balance sheet.webm 10.77MB
  3172. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 09 - Banking 9_ More on reserve ratios (bad sound).webm 10.77MB
  3173. Test prep/02 - MCAT - 01 - Biomolecules/03 - Enzyme kinetics - 06 - Non-enzymatic protein function.webm 10.76MB
  3174. Test prep/02 - MCAT - 05 - Chemical processes/09 - Proteins - 07 - Non-enzymatic protein function.webm 10.76MB
  3175. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 10 - Venturi effect and Pitot tubes.webm 10.76MB
  3176. Math/20 - Multivariable calculus - 02 - Partial derivatives, gradient, divergence, curl/02 - Gradient - 01 - Gradient 1.webm 10.76MB
  3177. Math/11 - Algebra I - 08 - Exponent expressions and equations/05 - Radical equations - 02 - Extraneous solutions to radical equations.webm 10.76MB
  3178. Math/21 - Differential equations - 01 - First order differential equations/02 - Separable equations - 03 - Old separable differential equations introduction.webm 10.75MB
  3179. Math/21 - Differential equations - 02 - Second order linear equations/02 - Complex and repeated roots of characteristic equation - 04 - Repeated roots of the characteristic equation.webm 10.75MB
  3180. Math/20 - Multivariable calculus - 02 - Partial derivatives, gradient, divergence, curl/03 - Divergence - 03 - Divergence 3.webm 10.75MB
  3181. Science/01 - Biology - 02 - Human biology/05 - Immunology - 07 - Review of B cells, CD4_ T cells and CD8_ T cells.webm 10.74MB
  3182. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 07 - Review of B cells, CD4_ T cells and CD8_ T cells.webm 10.74MB
  3183. Test prep/02 - MCAT - 03 - Organ systems/11 - Immune system - 07 - Review of B cells, CD4_ T cells and CD8_ T cells.webm 10.74MB
  3184. Test prep/03 - NCLEX-RN - 09 - Immune system/01 - Immune system - 07 - Review of B cells, CD4_ T cells and CD8_ T cells.webm 10.74MB
  3185. Math/18 - Differential calculus - 03 - Derivative applications/08 - Related rates - 03 - Related rates of water pouring into cone.webm 10.74MB
  3186. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 13 - Trek to mount sharp begins.webm 10.74MB
  3187. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/03 - Flanders - 02 - Rubens, The Rape of the Daughters of Leucippus.webm 10.74MB
  3188. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 07 - Halohydrin formation.webm 10.74MB
  3189. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 03 - Social institutions - education, family, and religion.webm 10.73MB
  3190. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 08 - Example_ Combinatorics and probability.webm 10.72MB
  3191. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 08 - Example_ Combinatorics and probability.webm 10.72MB
  3192. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Cell potentials - 07 - Calculating the equilibrium constant from the standard cell potential.webm 10.72MB
  3193. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 11 - Calculating the equilibrium constant from the standard cell potential.webm 10.72MB
  3194. Test prep/02 - MCAT - 05 - Chemical processes/13 - Alcohols and phenols - 03 - Oxidation of alcohols.webm 10.71MB
  3195. Test prep/02 - MCAT - 01 - Biomolecules/09 - Evolution and population dynamics - 06 - Reproductive isolation.webm 10.71MB
  3196. Partner content/16 - The Brookings Institution - 01 - Introduction to health care in the U.S./01 - Introduction to health care in the U.S. - 03 - Medicaid.webm 10.70MB
  3197. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/02 - Comparative advantage and gains from trade - 02 - Comparative advantage and absolute advantage.webm 10.70MB
  3198. Science/03 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 06 - Weak base equilibrium.webm 10.70MB
  3199. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 07 - Weak base equilibrium.webm 10.70MB
  3200. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 06 - Weak base equilibrium.webm 10.70MB
  3201. Partner content/19 - Big History Project - 09 - 9. Acceleration/01 - 9.0—Acceleration - 01 - Threshold 8_ The Modern Revolution.webm 10.70MB
  3202. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 02 - Bitcoin_ Overview.webm 10.70MB
  3203. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/10 - Pressure volume loops - 07 - Understanding the pressure-volume loop.webm 10.69MB
  3204. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 17 - CA Geometry_ More trig.webm 10.69MB
  3205. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/09 - Preload and afterload - 06 - Sarcomere length-tension relationship.webm 10.69MB
  3206. Science/03 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 08 - Introduction to exponential decay.webm 10.69MB
  3207. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 10 - Introduction to exponential decay.webm 10.69MB
  3208. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/01 - Blood pressure - 07 - Putting it all together_ Pressure, flow, and resistance.webm 10.69MB
  3209. Test prep/02 - MCAT - 03 - Organ systems/07 - Circulatory system - 09 - Putting it all together_ Pressure, flow, and resistance.webm 10.69MB
  3210. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 14 - Putting it all together_ Pressure, flow, and resistance.webm 10.69MB
  3211. Test prep/03 - NCLEX-RN - 02 - Circulatory system/01 - Circulatory system - 08 - Putting it all together_ Pressure, flow, and resistance.webm 10.69MB
  3212. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 09 - E2 elimination_ Substituted cyclohexanes.webm 10.69MB
  3213. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 07 - Covalent networks, metallic, and ionic crystals.webm 10.68MB
  3214. Math/20 - Multivariable calculus - 02 - Partial derivatives, gradient, divergence, curl/02 - Gradient - 02 - Gradient of a scalar field.webm 10.68MB
  3215. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/02 - Expressionism - 01 - Kirchner, Street, Dresden.webm 10.68MB
  3216. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/07 - Heart depolarization - 02 - Membrane potentials - part 2.webm 10.68MB
  3217. Test prep/02 - MCAT - 02 - Cells/03 - Transport across a cell membrane - 09 - Membrane potentials - part 2.webm 10.68MB
  3218. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 14 - Breast anatomy and lactation.webm 10.68MB
  3219. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 14 - Breast anatomy and lactation.webm 10.68MB
  3220. Math/16 - Probability and statistics - 01 - Independent and dependent events/02 - Venn diagrams and adding probabilities - 02 - Addition rule for probability.webm 10.67MB
  3221. Math/17 - Precalculus - 05 - Probability and combinatorics/02 - Venn diagrams and the addition rule - 02 - Addition rule for probability.webm 10.67MB
  3222. Science/04 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 06 - Intramolecular aldol condensation.webm 10.67MB
  3223. Test prep/02 - MCAT - 05 - Chemical processes/11 - Alpha-carbon chemistry - 09 - Intramolecular aldol condensation.webm 10.67MB
  3224. Test prep/02 - MCAT - 01 - Biomolecules/09 - Evolution and population dynamics - 03 - Alternative selection.webm 10.67MB
  3225. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 03 - Brunelleschi, Old Sacristy.webm 10.67MB
  3226. Science/01 - Biology - 02 - Human biology/02 - The neuron and nervous system - 04 - Electrotonic and action potential.webm 10.67MB
  3227. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 07 - Electrotonic and action potential.webm 10.67MB
  3228. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 02 - CAHSEE practice_ Problems 4-9.webm 10.67MB
  3229. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/01 - Measuring cost of living --inflation and the consumer price index - 02 - Actual CPI-U basket of goods.webm 10.67MB
  3230. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 15 - Banking 15_ More on the Fed funds rate.webm 10.66MB
  3231. Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 09 - Marriage penalty.webm 10.66MB
  3232. Science/04 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 02 - Aldol condensation.webm 10.66MB
  3233. Test prep/02 - MCAT - 05 - Chemical processes/11 - Alpha-carbon chemistry - 05 - Aldol condensation.webm 10.66MB
  3234. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 07 - Nanni di Banco, Four Crowned Saints.webm 10.66MB
  3235. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 05 - Bitcoin_ Transaction records.webm 10.66MB
  3236. Math/16 - Probability and statistics - 07 - Inferential statistics/06 - Hypothesis testing with two samples - 06 - Comparing population proportions 1.webm 10.66MB
  3237. Math/08 - Arithmetic - 02 - Multiplication and division/05 - Multi-digit multiplication - 07 - 2-digit times a 2-digit number.webm 10.66MB
  3238. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/05 - Big bang and expansion of the universe - 07 - Hubble's law.webm 10.66MB
  3239. Science/06 - Health and medicine - 05 - Advanced respiratory system physiology/02 - Breathing control - 02 - Central chemoreceptors.webm 10.65MB
  3240. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/05 - Big bang and expansion of the universe - 06 - Cosmic background radiation 2.webm 10.65MB
  3241. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/11 - Graphing linear inequalities - 07 - CA Algebra I_ Graphing inequalities.webm 10.65MB
  3242. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 03 - Banking 3_ Fractional reserve banking.webm 10.64MB
  3243. Partner content/06 - California Academy of Sciences - 03 - Where is biodiversity found_/01 - Biodiversity Hotspots - 02 - Biodiversity hotspot case study_ California.webm 10.63MB
  3244. Science/03 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 01 - Ideal gas equation_ PV _ nRT.webm 10.63MB
  3245. Math/19 - Integral calculus - 03 - Integration applications/09 - Arc length of polar graphs - 01 - Justification for polar arc length formula.webm 10.63MB
  3246. Math/10 - Algebra basics - 05 - Systems of equations/01 - Solving systems of equations - 04 - Solving systems of equations by multiplication.webm 10.63MB
  3247. Math/11 - Algebra I - 05 - Systems of equations and inequalities/02 - Super fast systems of equations - 04 - Solving systems of equations by multiplication.webm 10.63MB
  3248. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/02 - Pottery - 01 - Ancient Greek vase production and the black-figure technique.webm 10.62MB
  3249. Math/14 - Algebra II - 03 - Polynomial and rational functions/10 - Binomial theorem - 01 - Binomial theorem.webm 10.62MB
  3250. Partner content/19 - Big History Project - 10 - 10. The Future/02 - 10.1—The Biosphere - 02 - The Atmosphere and Climate.webm 10.62MB
  3251. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 01 - Raising money for a startup.webm 10.61MB
  3252. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/01 - US Declaration of Independence - 03 - Life, liberty and the pursuit of happiness.webm 10.61MB
  3253. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/01 - The Declaration of Independence - 04 - Life, liberty and the pursuit of happiness.webm 10.61MB
  3254. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 08 - Type 1 and type 2 muscle fibers.webm 10.61MB
  3255. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 08 - Type 1 and type 2 muscle fibers.webm 10.61MB
  3256. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 08 - Type 1 and type 2 muscle fibers.webm 10.61MB
  3257. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 05 - Electric potential energy.webm 10.60MB
  3258. Test prep/02 - MCAT - 04 - Physical processes/13 - Electrostatics - 06 - Electric potential energy.webm 10.60MB
  3259. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/03 - Keynesian cross - 03 - Keynesian cross and the multiplier.webm 10.60MB
  3260. Math/08 - Arithmetic - 04 - Decimals/12 - Significant figures - 03 - Addition and subtraction with significant figures.webm 10.60MB
  3261. Math/09 - Pre-algebra - 03 - Decimals/12 - Significant figures - 03 - Addition and subtraction with significant figures.webm 10.60MB
  3262. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 16 - Banking 16_ Why target rates vs. money supply.webm 10.60MB
  3263. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 15 - Ablation.webm 10.60MB
  3264. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 15 - Ablation.webm 10.60MB
  3265. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 12 - Photon Energy E_hf.webm 10.59MB
  3266. Partner content/06 - California Academy of Sciences - 03 - Where is biodiversity found_/01 - Biodiversity Hotspots - 04 - Biodiversity hotspot case study_ Gaoligongshan.webm 10.59MB
  3267. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 10 - Rational choice-exchange theory.webm 10.59MB
  3268. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 23 - Motor controller connection to Arduino.webm 10.58MB
  3269. Arts and humanities/01 - History - 05 - Surveys of history/01 - United States history overview - 04 - Appomattox court house and Lincoln's assassination.webm 10.58MB
  3270. Science/06 - Health and medicine - 06 - Respiratory system diseases/03 - Emphysema (COPD) - 04 - Diffusing capacity of the lung for carbon monoxide (DLCO).webm 10.58MB
  3271. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 04 - Diffusing capacity of the lung for carbon monoxide (DLCO).webm 10.58MB
  3272. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 17 - Rational inequalities.webm 10.58MB
  3273. Math/14 - Algebra II - 04 - Rational expressions/05 - Solving rational equations - 10 - Rational inequalities.webm 10.58MB
  3274. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 02 - Ethics_ Problem of evil part 1.webm 10.57MB
  3275. Arts and humanities/05 - Ancient art and civilizations - 02 - Egyptian art and culture/04 - Ptolemaic - 01 - The mummification process.webm 10.57MB
  3276. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 01 - The mummification process.webm 10.57MB
  3277. Math/11 - Algebra I - 07 - Quadratic equations/08 - Quadratic odds and ends - 02 - CA Algebra I_ Factoring quadratics.webm 10.57MB
  3278. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 02 - Introduction to the null space of a matrix.webm 10.57MB
  3279. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 20 - Repurchase agreements (repo transactions).webm 10.57MB
  3280. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 05 - Leonardo, Virgin and Child with St Anne and St John the Baptist (Burlington House Cartoon).webm 10.57MB
  3281. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 05 - Firestick farming.webm 10.57MB
  3282. Partner content/14 - MIT_K12 - 02 - Natural Science/01 - Natural Science - 02 - Homeostasis.webm 10.57MB
  3283. Arts and humanities/09 - Becoming modern - 07 - America_ Civil War to the Gilded Age/01 - America_ Civil War to the Gilded Age - 01 - Homer, The Life Line.webm 10.56MB
  3284. Math/23 - Recreational math - 01 - Doodling in Math and more/02 - Doodling in math - 02 - Doodling in math_ Stars.webm 10.56MB
  3285. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/02 - Sculpture - 01 - Working jade.webm 10.56MB
  3286. Arts and humanities/04 - Prehistoric art - 02 - Neolithic art/01 - Neolithic art - 04 - Working jade.webm 10.56MB
  3287. Partner content/09 - Asian Art Museum - 05 - China/01 - China - 05 - Working jade.webm 10.56MB
  3288. Test prep/07 - AP* Art History - 03 - Global prehistory_ 30,000-500 B.C.E./01 - Paleolithic, Mesolithic and Neolithic - 03 - Working jade.webm 10.56MB
  3289. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/03 - Flanders - 05 - Rubens, the Consequences of War.webm 10.55MB
  3290. Science/06 - Health and medicine - 02 - Human anatomy and physiology/04 - Urinary system introduction - 06 - Urination.webm 10.55MB
  3291. Test prep/02 - MCAT - 03 - Organ systems/12 - Renal system - 06 - Urination.webm 10.55MB
  3292. Test prep/03 - NCLEX-RN - 10 - Renal system/01 - Introduction to the renal system - 06 - Urination.webm 10.55MB
  3293. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 10 - Protein translation 1.webm 10.55MB
  3294. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 09 - Formation of alcohols using hydride reducing agents.webm 10.55MB
  3295. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 12 - Formation of alcohols using hydride reducing agents.webm 10.55MB
  3296. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/03 - The Constitution of the United States - 02 - The Constitution and democracy.webm 10.54MB
  3297. Math/14 - Algebra II - 03 - Polynomial and rational functions/05 - Dividing polynomials - 01 - Polynomial division.webm 10.54MB
  3298. Arts and humanities/09 - Becoming modern - 02 - Romanticism/06 - United States - 01 - Allston, Elijah in the Desert.webm 10.54MB
  3299. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 13 - Logarithmic scale.webm 10.54MB
  3300. Math/14 - Algebra II - 06 - Logarithms/04 - Logarithmic scale and patterns - 01 - Logarithmic scale.webm 10.54MB
  3301. Arts and humanities/10 - Age of global conflict - 03 - World War I, Futurism and Dada/02 - Dada - 01 - Art as concept_ Duchamp, In Advance of the Broken Arm.webm 10.54MB
  3302. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 05 - 'Composition in Brown and Gray,' Piet Mondrian.webm 10.54MB
  3303. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 18 - 'Composition in Brown and Gray,' Piet Mondrian.webm 10.54MB
  3304. Science/03 - Chemistry - 03 - Electronic structure of atoms/02 - Quantum numbers and orbitals - 01 - Heisenberg uncertainty principle.webm 10.53MB
  3305. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 08 - Heisenberg uncertainty principle.webm 10.53MB
  3306. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 10 - 'Map' by Jasper Johns, 1961 - MoMA Education.webm 10.53MB
  3307. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/14 - Linda Jeschofnig - Co-founder of Hands-On Labs - 02 - A Passion for Science Education.webm 10.53MB
  3308. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 03 - Spider parts and tools.webm 10.53MB
  3309. Math/23 - Recreational math - 02 - Puzzles/01 - Brain teasers - 07 - Forehead numbers brain teaser.webm 10.53MB
  3310. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/05 - Investment and consumption - 05 - Investment vs. consumption 2.webm 10.53MB
  3311. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 09 - Black holes.webm 10.52MB
  3312. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 05 - CA Geometry_ More proofs.webm 10.52MB
  3313. Test prep/02 - MCAT - 01 - Biomolecules/06 - Genetic mutations - 05 - The effects of mutations.webm 10.52MB
  3314. Science/01 - Biology - 01 - Cellular and molecular biology/01 - Cells - 03 - Endoplasmic reticulum and Golgi bodies.webm 10.52MB
  3315. Science/06 - Health and medicine - 04 - Circulatory system diseases/10 - Cyanotic heart diseases - 02 - Shunting in the heart.webm 10.52MB
  3316. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/04 - Cyanotic heart diseases - 02 - Shunting in the heart.webm 10.52MB
  3317. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/04 - Hedge funds - 03 - Are hedge funds bad_.webm 10.52MB
  3318. Partner content/19 - Big History Project - 10 - 10. The Future/05 - Other Materials - 01 - Henry Louis Gates, Jr._ Visions of the Future.webm 10.51MB
  3319. Math/10 - Algebra basics - 04 - Graphing lines and slope/06 - Constructing equations in slope-intercept form - 02 - Constructing equations in slope-intercept form from graphs.webm 10.51MB
  3320. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/08 - Constructing equations in slope-intercept form - 02 - Constructing equations in slope-intercept form from graphs.webm 10.51MB
  3321. Science/03 - Chemistry - 03 - Electronic structure of atoms/01 - Bohr's model of the hydrogen atom - 01 - Photoelectric effect.webm 10.51MB
  3322. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 01 - Photoelectric effect.webm 10.51MB
  3323. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/04 - Nomenclature and properties of ethers - 01 - Ether naming and introduction.webm 10.51MB
  3324. Math/16 - Probability and statistics - 03 - Statistical studies/04 - Categorical data - 02 - Analyzing trends in categorical data.webm 10.50MB
  3325. Science/04 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 01 - Aldol reaction.webm 10.50MB
  3326. Test prep/02 - MCAT - 06 - Processing the environment/12 - Stress - 03 - Responding to stress.webm 10.50MB
  3327. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 41 - GMAT_ Math 41.webm 10.50MB
  3328. Science/02 - Physics - 01 - One-dimensional motion/01 - Displacement, velocity and time - 01 - Introduction to vectors and scalars.webm 10.50MB
  3329. Test prep/02 - MCAT - 04 - Physical processes/01 - Vectors and scalars - 01 - Introduction to vectors and scalars.webm 10.50MB
  3330. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 09 - Graciela Iturbide.webm 10.50MB
  3331. Partner content/02 - Tate - 03 - Global modernisms/02 - Latin America - 02 - Graciela Iturbide.webm 10.50MB
  3332. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 13 - Pacemakers.webm 10.50MB
  3333. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 13 - Pacemakers.webm 10.50MB
  3334. Science/06 - Health and medicine - 06 - Respiratory system diseases/03 - Emphysema (COPD) - 06 - Emphysema treatment.webm 10.50MB
  3335. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 06 - Emphysema treatment.webm 10.50MB
  3336. Math/13 - Geometry - 06 - Perimeter, area, and volume/04 - Heron's formula - 02 - Part 1 of proof of Heron's formula.webm 10.49MB
  3337. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/09 - Danny O'Neill - President of The Roasterie - 01 - Danny O'Neill - President of The Roasterie.webm 10.49MB
  3338. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 11 - Dyce's Pegwell Bay, Kent - a Recollection of October 5th, 1858.webm 10.49MB
  3339. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/02 - Books, music, and literature - 07 - 'Boy Genius' with Timothy B. Husband.webm 10.49MB
  3340. Science/06 - Health and medicine - 04 - Circulatory system diseases/06 - Cardiomyopathy - 05 - Restrictive cardiomyopathy_ Pathophysiology and diagnosis.webm 10.48MB
  3341. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/06 - Cardiomyopathy - 05 - Restrictive cardiomyopathy_ Pathophysiology and diagnosis.webm 10.48MB
  3342. Science/06 - Health and medicine - 06 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 03 - Allergic rhinitis diagnosis and treatment.webm 10.48MB
  3343. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 03 - Allergic rhinitis diagnosis and treatment.webm 10.48MB
  3344. Economics and finance/03 - Finance and capital markets - 03 - Inflation/01 - Inflation basics - 01 - Inflation overview.webm 10.48MB
  3345. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 01 - Bailout 1_ Liquidity vs. solvency.webm 10.48MB
  3346. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 02 - Bailout 1_ Liquidity vs. solvency.webm 10.48MB
  3347. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/06 - Unit conversion - 07 - Unit conversion word problem_ drug dosage.webm 10.48MB
  3348. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 10 - Unit conversion word problem_ drug dosage.webm 10.48MB
  3349. Math/20 - Multivariable calculus - 01 - Double and triple integrals/02 - Triple integrals - 03 - Triple integrals 3.webm 10.48MB
  3350. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 10 - What is ventricle fibrillation (Vfib)_.webm 10.48MB
  3351. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 10 - What is ventricle fibrillation (Vfib)_.webm 10.48MB
  3352. Science/04 - Organic chemistry - 09 - Aromatic compounds/02 - Reactions of benzene - 04 - Friedel crafts acylation.webm 10.47MB
  3353. Science/04 - Organic chemistry - 09 - Aromatic compounds/01 - Naming benzene derivatives - 02 - Naming benzene derivatives.webm 10.47MB
  3354. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 06 - Bacon, Triptych - August 1972.webm 10.47MB
  3355. Partner content/16 - The Brookings Institution - 01 - Introduction to health care in the U.S./01 - Introduction to health care in the U.S. - 02 - Medicare.webm 10.47MB
  3356. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 03 - GMAT_ Data sufficiency 3.webm 10.47MB
  3357. Math/21 - Differential equations - 01 - First order differential equations/03 - Modeling with differential equations - 03 - Newton's Law of Cooling.webm 10.47MB
  3358. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 14 - Differentiating shock.webm 10.47MB
  3359. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 14 - Differentiating shock.webm 10.47MB
  3360. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 14 - Caravaggio, Crucifixion of Saint Peter.webm 10.47MB
  3361. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 12 - Exocrine pancreas.webm 10.46MB
  3362. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 12 - Exocrine pancreas.webm 10.46MB
  3363. Science/06 - Health and medicine - 08 - Hematologic system diseases/01 - Anemia - 02 - Anemia pathophysiology.webm 10.46MB
  3364. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/01 - Anemia - 02 - Anemia pathophysiology.webm 10.46MB
  3365. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 01 - Price and market capitalization.webm 10.46MB
  3366. Math/15 - Trigonometry - 03 - Graphs of trig functions/01 - Graphs of trig functions - 11 - Tangent graph.webm 10.45MB
  3367. Test prep/02 - MCAT - 01 - Biomolecules/15 - Fat and protein metabolism - 02 - Digestion, Mobilization, and Transport of Fats - Part I.webm 10.44MB
  3368. Science/04 - Organic chemistry - 14 - Spectroscopy/02 - UV_Vis Spectroscopy - 01 - UV-Vis spectroscopy.webm 10.44MB
  3369. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 10 - UV-Vis spectroscopy.webm 10.44MB
  3370. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/01 - Photography before 1970 - 01 - Looking at photographs.webm 10.44MB
  3371. Science/06 - Health and medicine - 08 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 02 - Microcytic anemia.webm 10.44MB
  3372. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 02 - Microcytic anemia.webm 10.44MB
  3373. Math/15 - Trigonometry - 03 - Graphs of trig functions/02 - Modeling with periodic functions - 03 - Modeling temperature through the day.webm 10.43MB
  3374. Economics and finance/01 - Microeconomics - 06 - Forms of competition/01 - Perfect competition - 01 - Perfect competition.webm 10.43MB
  3375. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/02 - Expected value - 02 - Getting data from expected value.webm 10.43MB
  3376. Math/13 - Geometry - 01 - Introduction to Euclidean geometry/01 - Introduction to Euclidean geometry - 06 - Language and notation of the circle.webm 10.43MB
  3377. Math/13 - Geometry - 07 - Circles/01 - Circle arcs and sectors - 01 - Language and notation of the circle.webm 10.43MB
  3378. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 10 - Banking 10_ Introduction to leverage (bad sound).webm 10.43MB
  3379. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 03 - Giorgione, the Adoration of the Shepherds.webm 10.43MB
  3380. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/04 - Green's theorem - 03 - Green's theorem example 1.webm 10.42MB
  3381. Test prep/02 - MCAT - 08 - Individuals and society/01 - Self-identity - 01 - Self concept, self identity, and social identity.webm 10.42MB
  3382. Test prep/02 - MCAT - 07 - Behavior/03 - Behavior and genetics - 01 - Temperament, heredity, and genes.webm 10.42MB
  3383. Science/04 - Organic chemistry - 09 - Aromatic compounds/02 - Reactions of benzene - 02 - Electrophilic aromatic substitution.webm 10.42MB
  3384. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 02 - Banking 2_ A bank's income statement.webm 10.41MB
  3385. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/01 - The Declaration of Independence - 01 - The American Revolution_ 1775.webm 10.41MB
  3386. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 07 - Preparation for holidays.webm 10.41MB
  3387. Partner content/13 - Wi-Phi (Wireless Philosophy) - 02 - Metaphysics and epistemology/01 - Metaphysics and epistemology - 09 - Language_ Conditionals part 1.webm 10.41MB
  3388. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/03 - Binomial distribution - 03 - Probability of making 2 shots in 6 attempts.webm 10.41MB
  3389. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/06 - Scientific notation - 02 - Scientific notation.webm 10.41MB
  3390. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/06 - Scientific notation - 02 - Scientific notation.webm 10.41MB
  3391. Math/10 - Algebra basics - 01 - Foundations/09 - Scientific notation - 02 - Scientific notation.webm 10.41MB
  3392. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 01 - Banking 1.webm 10.40MB
  3393. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 09 - Klimt, Death and Life.webm 10.40MB
  3394. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/05 - Big bang and expansion of the universe - 01 - Big bang introduction.webm 10.39MB
  3395. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 02 - Getting a seed round from a VC.webm 10.39MB
  3396. Science/03 - Chemistry - 03 - Electronic structure of atoms/01 - Bohr's model of the hydrogen atom - 07 - Emission spectrum of hydrogen.webm 10.39MB
  3397. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 07 - Emission spectrum of hydrogen.webm 10.39MB
  3398. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 08 - Michelangelo, Pietà.webm 10.39MB
  3399. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/03 - Scale of earth, sun, galaxy and universe - 01 - Scale of earth and sun.webm 10.38MB
  3400. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 07 - R,S system for cyclic compounds.webm 10.38MB
  3401. Science/04 - Organic chemistry - 12 - Alpha carbon chemistry/01 - Formation of enolate anions - 01 - Keto-enol tautomerization.webm 10.38MB
  3402. Science/04 - Organic chemistry - 12 - Alpha carbon chemistry/01 - Formation of enolate anions - 02 - Keto-enol tautomerization.webm 10.38MB
  3403. Test prep/02 - MCAT - 01 - Biomolecules/12 - Carbohydrates - 05 - Keto-enol tautomerization.webm 10.38MB
  3404. Test prep/02 - MCAT - 05 - Chemical processes/10 - Carbohydrates - 05 - Keto-enol tautomerization.webm 10.38MB
  3405. Test prep/02 - MCAT - 05 - Chemical processes/11 - Alpha-carbon chemistry - 01 - Keto-enol tautomerization.webm 10.38MB
  3406. Math/21 - Differential equations - 02 - Second order linear equations/02 - Complex and repeated roots of characteristic equation - 02 - Complex roots of the characteristic equations 2.webm 10.37MB
  3407. Science/06 - Health and medicine - 06 - Respiratory system diseases/13 - Laryngeal conditions - 01 - What is epiglottitis_.webm 10.37MB
  3408. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 01 - What is epiglottitis_.webm 10.37MB
  3409. Science/01 - Biology - 02 - Human biology/02 - The neuron and nervous system - 05 - Saltatory conduction in neurons.webm 10.37MB
  3410. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 08 - Saltatory conduction in neurons.webm 10.37MB
  3411. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/02 - Pottery - 04 - Attic Black-Figure_ Exekias, Dionysos Kylix.webm 10.36MB
  3412. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/01 - Production possibilities frontier - 01 - Production possibilities frontier.webm 10.36MB
  3413. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 01 - Oxidation of alcohols I_ Mechanism and oxidation states.webm 10.36MB
  3414. Arts and humanities/09 - Becoming modern - 02 - Romanticism/05 - Germany - 04 - Friedrich, Woman at a Window.webm 10.36MB
  3415. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/11 - The art of dress - 02 - 'Blazing Saddle' with Donald La Rocca.webm 10.36MB
  3416. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 01 - Giorgio de Chirico, 'The Anxious Journey'.webm 10.35MB
  3417. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 07 - Giorgio de Chirico, 'The Anxious Journey'.webm 10.35MB
  3418. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 05 - Life and times of RBCs and platelets.webm 10.35MB
  3419. Test prep/02 - MCAT - 03 - Organ systems/08 - Hematologic system - 07 - Life and times of RBCs and platelets.webm 10.35MB
  3420. Math/11 - Algebra I - 03 - Linear inequalities/02 - Compound and absolute value inequalities - 01 - Compound inequalities.webm 10.34MB
  3421. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 04 - Piketty's two drivers of divergence.webm 10.34MB
  3422. Math/14 - Algebra II - 04 - Rational expressions/03 - Graphing rational functions - 06 - Finding horizontal and vertical asymptotes.webm 10.34MB
  3423. Science/06 - Health and medicine - 06 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 06 - Sinusitis diagnosis and treatment.webm 10.34MB
  3424. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 06 - Sinusitis diagnosis and treatment.webm 10.34MB
  3425. Math/11 - Algebra I - 10 - Ratios and proportions/02 - Advanced ratios, proportions, and rates - 06 - Mountain height word problem.webm 10.34MB
  3426. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/04 - Dinosaur fossils - 03 - How are dinosaur fossils discovered and collected_.webm 10.33MB
  3427. Science/06 - Health and medicine - 08 - Hematologic system diseases/02 - Leukemia - 04 - Leukemia diagnosis.webm 10.33MB
  3428. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 04 - Leukemia diagnosis.webm 10.33MB
  3429. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 01 - Rent control and deadweight loss.webm 10.33MB
  3430. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 08 - Chapter 7_ Bankruptcy liquidation.webm 10.33MB
  3431. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/10 - Corporate bankruptcy - 01 - Chapter 7_ Bankruptcy liquidation.webm 10.33MB
  3432. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 09 - Standing waves in tubes (part 2).webm 10.33MB
  3433. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/06 - Life of Benjamin Franklin - 01 - An introduction to Benjamin Franklin.webm 10.33MB
  3434. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/02 - Benjamin Franklin - 01 - An introduction to Benjamin Franklin.webm 10.33MB
  3435. Science/02 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 02 - Ice accelerating down an incline.webm 10.32MB
  3436. Test prep/02 - MCAT - 04 - Physical processes/07 - Forces on inclined planes - 02 - Ice accelerating down an incline.webm 10.32MB
  3437. Math/13 - Geometry - 08 - Special properties and parts of triangles/05 - Bringing it all together - 01 - Review of triangle properties.webm 10.32MB
  3438. Math/13 - Geometry - 11 - Analytic geometry/01 - Geometry problems on the coordinate plane - 03 - Identifying similar triangles in the coordinate plane.webm 10.32MB
  3439. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 01 - Nomenclature and properties of acyl (acid) halides and acid anhydrides.webm 10.32MB
  3440. Test prep/02 - MCAT - 05 - Chemical processes/15 - Carboxylic acid derivatives - 01 - Nomenclature and properties of acyl (acid) halides and acid anhydrides.webm 10.32MB
  3441. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/04 - Life in the universe - 03 - Detectable civilizations in our galaxy 3.webm 10.31MB
  3442. Math/17 - Precalculus - 03 - Parametric equations and polar coordinates/01 - Parametric equations - 02 - Parametric equations 2.webm 10.31MB
  3443. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 26 - GMAT_ Math 26.webm 10.31MB
  3444. Math/17 - Precalculus - 04 - Imaginary and complex numbers/05 - The complex plane - 01 - Basic complex analysis.webm 10.31MB
  3445. Math/11 - Algebra I - 09 - Functions/05 - Graphing functions - 04 - Ex 4_ Graphing radical functions.webm 10.31MB
  3446. Science/04 - Organic chemistry - 09 - Aromatic compounds/07 - Nucleophilic aromatic substitution - 02 - Nucleophilic aromatic substitution II.webm 10.30MB
  3447. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 11 - Lippi, Portrait of a Man and Woman at a Casement.webm 10.29MB
  3448. Math/11 - Algebra I - 10 - Ratios and proportions/02 - Advanced ratios, proportions, and rates - 03 - More advanced ratio problem with algebra.webm 10.29MB
  3449. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 08 - 'Bicycle Wheel' by Marcel Duchamp, 1951 - MoMA Education.webm 10.29MB
  3450. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 05 - Titration of a strong acid with a strong base (continued).webm 10.29MB
  3451. Test prep/02 - MCAT - 05 - Chemical processes/02 - Titrations - 04 - Titration of a strong acid with a strong base (continued).webm 10.29MB
  3452. Arts and humanities/09 - Becoming modern - 02 - Romanticism/04 - England - 02 - Room_ William Blake.webm 10.28MB
  3453. Partner content/02 - Tate - 01 - Meet 500 years of British art/03 - 19th century_ Romanticism and the Victorian Era - 03 - Room_ William Blake.webm 10.28MB
  3454. Partner content/09 - Asian Art Museum - 08 - Hinduism/01 - Hinduism - 03 - The Hindu deity Ganesha.webm 10.28MB
  3455. Science/06 - Health and medicine - 02 - Human anatomy and physiology/01 - Circulatory system introduction - 02 - Flow through the heart.webm 10.28MB
  3456. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/03 - Fetal circulation - 03 - Flow through the heart.webm 10.28MB
  3457. Test prep/02 - MCAT - 03 - Organ systems/07 - Circulatory system - 03 - Flow through the heart.webm 10.28MB
  3458. Test prep/03 - NCLEX-RN - 02 - Circulatory system/01 - Circulatory system - 02 - Flow through the heart.webm 10.28MB
  3459. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 08 - Epoxide formation and anti dihydroxylation.webm 10.28MB
  3460. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 09 - Jan van Eyck, The Madonna in the Church.webm 10.28MB
  3461. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 10 - Flu shift and drift.webm 10.27MB
  3462. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/01 - Early Renaissance in Venice - 06 - Mantegna, Saint Sebastian.webm 10.27MB
  3463. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 05 - Sn2 mechanism and stereochemistry.webm 10.27MB
  3464. Partner content/18 - NASA - 02 - Measuring the Universe/04 - Spectroscopy - 08 - Microwaves (1930).webm 10.27MB
  3465. Partner content/02 - Tate - 03 - Global modernisms/03 - Asia - 04 - Amrita Sher-Gil.webm 10.27MB
  3466. Math/06 - 7th grade (U.S.) - 05 - Geometry/03 - Area and circumference of circles - 01 - Circles_ radius, diameter, circumference and Pi.webm 10.27MB
  3467. Math/10 - Algebra basics - 01 - Foundations/12 - Circumference and area of circles - 01 - Circles_ radius, diameter, circumference and Pi.webm 10.27MB
  3468. Math/12 - Basic geometry - 05 - Area and perimeter/02 - Area and circumference of circles - 01 - Circles_ radius, diameter, circumference and Pi.webm 10.27MB
  3469. Math/13 - Geometry - 06 - Perimeter, area, and volume/05 - Circumference and area of circles - 01 - Circles_ radius, diameter, circumference and Pi.webm 10.27MB
  3470. Math/13 - Geometry - 07 - Circles/01 - Circle arcs and sectors - 02 - Circles_ radius, diameter, circumference and Pi.webm 10.27MB
  3471. Test prep/02 - MCAT - 01 - Biomolecules/11 - Overview of metabolism - 08 - Electron carrier molecules.webm 10.26MB
  3472. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 09 - Reproductive cycle graph - Follicular phase.webm 10.26MB
  3473. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 09 - Reproductive cycle graph - Follicular phase.webm 10.26MB
  3474. Economics and finance/03 - Finance and capital markets - 03 - Inflation/04 - Capacity utilization and inflation - 01 - Economics of a cupcake factory.webm 10.26MB
  3475. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 07 - Thomas malthus and population growth.webm 10.26MB
  3476. Test prep/02 - MCAT - 08 - Individuals and society/02 - Perception, prejudice, and bias - 10 - Ethnocentrism and cultural relativism in group and out group.webm 10.25MB
  3477. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 04 - Ethnocentrism and cultural relativism in group and out group.webm 10.25MB
  3478. Science/01 - Biology - 02 - Human biology/04 - Muscles - 02 - Tropomyosin and troponin and their role in regulating muscle contraction.webm 10.25MB
  3479. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 02 - Tropomyosin and troponin and their role in regulating muscle contraction.webm 10.25MB
  3480. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/06 - Heart muscle contraction - 04 - Tropomyosin and troponin and their role in regulating muscle contraction.webm 10.25MB
  3481. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 02 - Tropomyosin and troponin and their role in regulating muscle contraction.webm 10.25MB
  3482. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 02 - Tropomyosin and troponin and their role in regulating muscle contraction.webm 10.25MB
  3483. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 07 - Gray and white matter.webm 10.25MB
  3484. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 07 - Gray and white matter.webm 10.25MB
  3485. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 02 - Sound Properties (Amplitude, Period, Frequency, Wavelength).webm 10.25MB
  3486. Math/21 - Differential equations - 03 - Laplace transform/03 - Laplace transform to solve a differential equation - 01 - Laplace transform to solve an equation.webm 10.25MB
  3487. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 06 - Brunelleschi, Santo Spirito.webm 10.25MB
  3488. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/02 - Neuron membrane potentials - 06 - Neuron action potential mechanism.webm 10.25MB
  3489. Test prep/02 - MCAT - 03 - Organ systems/03 - Neuron membrane potentials - 06 - Neuron action potential mechanism.webm 10.25MB
  3490. Science/06 - Health and medicine - 06 - Respiratory system diseases/02 - Asthma - 01 - What is asthma_.webm 10.24MB
  3491. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 01 - What is asthma_.webm 10.24MB
  3492. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/03 - Line integrals in vector fields - 09 - Second example of line integral of conservative vector field.webm 10.24MB
  3493. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/02 - Blockades and American entry - 03 - United States enters World War I.webm 10.24MB
  3494. Science/06 - Health and medicine - 08 - Hematologic system diseases/02 - Leukemia - 01 - Hematopoiesis.webm 10.24MB
  3495. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 01 - Hematopoiesis.webm 10.24MB
  3496. Test prep/02 - MCAT - 08 - Individuals and society/01 - Self-identity - 07 - Kohlberg moral development.webm 10.24MB
  3497. Arts and humanities/07 - Renaissance and Reformation - 05 - Mannerism/01 - Mannerism - 04 - Rosso Fiorentino, the Dead Christ with Angels.webm 10.23MB
  3498. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 02 - Formation of hemiacetals.webm 10.23MB
  3499. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 05 - Formation of hemiacetals.webm 10.23MB
  3500. Test prep/02 - MCAT - 07 - Behavior/10 - Learning - 06 - Operant conditioning_ Innate vs learned behaviors.webm 10.22MB
  3501. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/07 - Sn1_Sn2_E1_E2 - 01 - Nucleophilicity and basicity.webm 10.22MB
  3502. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 05 - Umbo, The Roving Reporter.webm 10.22MB
  3503. Science/03 - Chemistry - 05 - Chemical bonds/03 - Hybridization and hybrid orbitals - 01 - Sp3 hybridization.webm 10.22MB
  3504. Science/04 - Organic chemistry - 01 - General chemistry review/03 - Hybrid orbitals - 01 - Sp3 hybridization.webm 10.22MB
  3505. Test prep/02 - MCAT - 05 - Chemical processes/06 - Covalent bonds - 04 - Sp3 hybridization.webm 10.22MB
  3506. Science/06 - Health and medicine - 02 - Human anatomy and physiology/01 - Circulatory system introduction - 08 - Arteries, arterioles, venules, and veins.webm 10.22MB
  3507. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/03 - Keynesian cross - 02 - Details on shifting aggregate planned expenditures.webm 10.22MB
  3508. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 06 - Banking 6_ Bank notes and checks.webm 10.22MB
  3509. Math/08 - Arithmetic - 02 - Multiplication and division/06 - Loooong division_ - 01 - Introduction to long division.webm 10.22MB
  3510. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 05 - More on IPOs.webm 10.21MB
  3511. Math/23 - Recreational math - 02 - Puzzles/01 - Brain teasers - 03 - Toggler brain teaser.webm 10.21MB
  3512. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 12 - Room_ 1990s.webm 10.21MB
  3513. Partner content/02 - Tate - 01 - Meet 500 years of British art/05 - Mid-century to today_ Modernism and its legacy - 05 - Room_ 1990s.webm 10.21MB
  3514. Science/03 - Chemistry - 13 - Kinetics/01 - Reaction rates and rate laws - 03 - Rate law and reaction order.webm 10.21MB
  3515. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 02 - Rate law and reaction order.webm 10.21MB
  3516. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 06 - Proof_ Diagonals of a parallelogram bisect each other.webm 10.20MB
  3517. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 31 - GMAT_ Data sufficiency 30.webm 10.20MB
  3518. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 03 - Different way to determine time in air.webm 10.20MB
  3519. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/02 - Expressionism - 06 - Schiele, Hermits.webm 10.20MB
  3520. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Cell potentials - 02 - Standard reduction potentials.webm 10.19MB
  3521. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 06 - Standard reduction potentials.webm 10.19MB
  3522. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/03 - James Madison - 11 - Madison and the War of 1812.webm 10.19MB
  3523. Test prep/02 - MCAT - 01 - Biomolecules/11 - Overview of metabolism - 07 - Oxidation and reduction in metabolism.webm 10.18MB
  3524. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 03 - Leonardo, Virgin of the Rocks.webm 10.18MB
  3525. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 04 - Redesigning a school toward blended learning/01 - School redesign overview - 01 - School redesign - intro and big ideas.webm 10.17MB
  3526. Math/15 - Trigonometry - 03 - Graphs of trig functions/01 - Graphs of trig functions - 05 - Example_ Intersection of sine and cosine.webm 10.17MB
  3527. Partner content/05 - The J. Paul Getty Museum - 02 - A brief history of glassmaking/01 - A brief history of glassmaking - 03 - Glassmaking technique_ core-formed glass.webm 10.17MB
  3528. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 05 - Rembrandt, Self-Portrait.webm 10.17MB
  3529. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/02 - Diels-Alder reaction - 07 - Diels-Alder VII_ Intramolecular.webm 10.17MB
  3530. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/01 - Neural cells and neurotransmitters - 03 - Neuroplasticity.webm 10.17MB
  3531. Test prep/02 - MCAT - 03 - Organ systems/04 - Neuronal synapses - 06 - Neuroplasticity.webm 10.17MB
  3532. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 08 - Contemporary_ Experimental philosophy.webm 10.17MB
  3533. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 21 - 2003 AIME II problem 15 (part 1).webm 10.17MB
  3534. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 03 - Work and the work energy principle.webm 10.17MB
  3535. Science/03 - Chemistry - 05 - Chemical bonds/02 - Dot structures - 06 - VSEPR for 4 electron clouds.webm 10.17MB
  3536. Test prep/02 - MCAT - 05 - Chemical processes/04 - Dot structures - 06 - VSEPR for 4 electron clouds.webm 10.17MB
  3537. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/09 - Rise of Mussolini and Fascism - 04 - Mussolini aligns with Hitler.webm 10.17MB
  3538. Math/21 - Differential equations - 03 - Laplace transform/02 - Properties of the Laplace transform - 05 - Laplace transform of t^n_ L{t^n}.webm 10.16MB
  3539. Math/11 - Algebra I - 07 - Quadratic equations/08 - Quadratic odds and ends - 03 - Algebra II_ Quadratics and shifts.webm 10.16MB
  3540. Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 02 - Computer memory (space).webm 10.16MB
  3541. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/05 - The Phillips curve_ Inflation and unemployment - 01 - Unemployment rate primer.webm 10.16MB
  3542. Economics and finance/03 - Finance and capital markets - 10 - Current economics/01 - Unemployment - 03 - Unemployment rate primer.webm 10.16MB
  3543. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/04 - Market equilibrium - 01 - Market equilibrium.webm 10.16MB
  3544. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/07 - Heart depolarization - 01 - Membrane potentials - part 1.webm 10.16MB
  3545. Test prep/02 - MCAT - 02 - Cells/03 - Transport across a cell membrane - 08 - Membrane potentials - part 1.webm 10.16MB
  3546. Science/06 - Health and medicine - 06 - Respiratory system diseases/13 - Laryngeal conditions - 03 - Hib vaccine.webm 10.16MB
  3547. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 03 - Hib vaccine.webm 10.16MB
  3548. Economics and finance/02 - Macroeconomics - 04 - The monetary system/02 - Money supply - 01 - Money supply_ M0, M1, and M2.webm 10.15MB
  3549. Arts and humanities/08 - Monarchy and enlightenment - 03 - Neo-Classicism/01 - Neo-Classicism - 02 - David, The Lictors Returning to Brutus the Bodies of His Sons.webm 10.15MB
  3550. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 04 - Probability and combinations (part 2).webm 10.15MB
  3551. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 04 - Probability and combinations (part 2).webm 10.15MB
  3552. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/02 - The Articles of Confederation - 01 - Articles of Confederation.webm 10.14MB
  3553. Partner content/18 - NASA - 02 - Measuring the Universe/04 - Spectroscopy - 03 - Ultraviolet waves (1801).webm 10.14MB
  3554. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/05 - Synthesis and cleavage of ethers - 02 - Acidic cleavage of ethers.webm 10.13MB
  3555. Math/20 - Multivariable calculus - 02 - Partial derivatives, gradient, divergence, curl/04 - Curl - 03 - Curl 3.webm 10.13MB
  3556. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 03 - Preparation of acyl (acid) chlorides.webm 10.12MB
  3557. Test prep/02 - MCAT - 05 - Chemical processes/14 - Carboxylic acids - 03 - Preparation of acyl (acid) chlorides.webm 10.12MB
  3558. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/03 - Marc Ecko - Founder of Ecko Unlimited - 01 - Marc Ecko - Founder of Ecko Unlimited.webm 10.12MB
  3559. Science/04 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 02 - Aromatic stability II.webm 10.12MB
  3560. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/03 - Western and Eastern fronts of World War I - 04 - Battles of Verdun, Somme and the Hindenburg Line.webm 10.12MB
  3561. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/04 - Conformations of alkanes and cycloalkanes - 06 - Conformations of cyclohexane IV_ Trisubstituted.webm 10.12MB
  3562. Science/02 - Physics - 08 - Oscillatory motion/01 - Harmonic motion - 02 - Harmonic motion part 2 (calculus).webm 10.12MB
  3563. Science/06 - Health and medicine - 06 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 02 - What is allergic rhinitis_.webm 10.12MB
  3564. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 02 - What is allergic rhinitis_.webm 10.12MB
  3565. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 13 - Bailout 13_ Does the bailout have a chance of working_.webm 10.12MB
  3566. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 14 - Bailout 13_ Does the bailout have a chance of working_.webm 10.12MB
  3567. Math/13 - Geometry - 04 - Similarity/03 - Solving problems with similar and congruent triangles - 01 - Finding area using similarity and congruence.webm 10.12MB
  3568. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 06 - Basics of egg development.webm 10.11MB
  3569. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 06 - Basics of egg development.webm 10.11MB
  3570. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 14 - Banking 14_ Fed funds rate.webm 10.11MB
  3571. Math/14 - Algebra II - 03 - Polynomial and rational functions/02 - Completing the square and the quadratic formula - 05 - Example_ Complex roots for a quadratic.webm 10.11MB
  3572. Math/14 - Algebra II - 07 - Imaginary and complex numbers/02 - Complex numbers - 09 - Example_ Complex roots for a quadratic.webm 10.11MB
  3573. Math/21 - Differential equations - 02 - Second order linear equations/03 - Method of undetermined coefficients - 02 - Undetermined coefficients 2.webm 10.11MB
  3574. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/03 - Credit cards and loans - 03 - Payday loans.webm 10.11MB
  3575. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 21 - GMAT_ Data sufficiency 21.webm 10.10MB
  3576. Science/06 - Health and medicine - 02 - Human anatomy and physiology/10 - Integumentary system introduction - 04 - Where do our nails and hair come from_.webm 10.10MB
  3577. Test prep/02 - MCAT - 03 - Organ systems/17 - Integumentary system - 04 - Where do our nails and hair come from_.webm 10.10MB
  3578. Math/10 - Algebra basics - 01 - Foundations/11 - Perimeter and area of triangles - 02 - Triangle area proofs.webm 10.10MB
  3579. Math/12 - Basic geometry - 05 - Area and perimeter/01 - Area and perimeter of polygons - 02 - Triangle area proofs.webm 10.10MB
  3580. Math/13 - Geometry - 06 - Perimeter, area, and volume/01 - Perimeter and area of triangles - 02 - Triangle area proofs.webm 10.10MB
  3581. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 04 - Three types of flu.webm 10.10MB
  3582. Math/05 - 6th grade (U.S.) - 06 - Geometry/03 - Volume and surface area - 05 - Finding surface area_ nets of polyhedra.webm 10.10MB
  3583. Math/12 - Basic geometry - 06 - Volume and surface area/02 - Surface area - 02 - Finding surface area_ nets of polyhedra.webm 10.10MB
  3584. Math/13 - Geometry - 06 - Perimeter, area, and volume/07 - Volume and surface area - 02 - Finding surface area_ nets of polyhedra.webm 10.10MB
  3585. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 05 - Proof (part 1) minimizing squared error to regression line.webm 10.10MB
  3586. Science/03 - Chemistry - 05 - Chemical bonds/02 - Dot structures - 02 - Formal charge and dot structures.webm 10.10MB
  3587. Test prep/02 - MCAT - 05 - Chemical processes/04 - Dot structures - 02 - Formal charge and dot structures.webm 10.10MB
  3588. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 12 - Maternal changes in pregnancy.webm 10.09MB
  3589. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 12 - Maternal changes in pregnancy.webm 10.09MB
  3590. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 11 - Types of neurotransmitters.webm 10.09MB
  3591. Test prep/02 - MCAT - 03 - Organ systems/04 - Neuronal synapses - 03 - Types of neurotransmitters.webm 10.09MB
  3592. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 05 - Hydroboration-oxidation_ mechanism.webm 10.09MB
  3593. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 39 - GMAT_ Math 39.webm 10.08MB
  3594. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 08 - Olga Rozanova, 'A Little Duck's Nest... of Bad Words'.webm 10.08MB
  3595. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 06 - Proof (part 2) minimizing squared error to regression line.webm 10.08MB
  3596. Math/21 - Differential equations - 03 - Laplace transform/02 - Properties of the Laplace transform - 01 - Laplace as linear operator and Laplace of derivatives.webm 10.08MB
  3597. Math/14 - Algebra II - 08 - Conic sections/07 - Conics in the IIT JEE - 03 - IIT JEE circle hyperbola common tangent part 2.webm 10.07MB
  3598. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 24 - IIT JEE circle hyperbola common tangent part 2.webm 10.07MB
  3599. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/03 - Cubism and its impact - 07 - Conservation - Picasso's Guitars.webm 10.07MB
  3600. Partner content/04 - The Museum of Modern Art - 03 - Behind the scenes at MoMA/01 - Behind the scenes at MoMA - 05 - Conservation - Picasso's Guitars.webm 10.07MB
  3601. Test prep/02 - MCAT - 08 - Individuals and society/03 - Social behavior - 02 - Physical attraction.webm 10.06MB
  3602. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 17 - De Wain Valentine's 'Gray Column' and the Getty Conservation Institute.webm 10.06MB
  3603. Science/04 - Organic chemistry - 04 - Stereochemistry/02 - Chirality and absolute configuration - 06 - R,S system for cyclic compounds.webm 10.06MB
  3604. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 39 - Molecular and empirical formulas from percent composition.webm 10.05MB
  3605. Partner content/05 - The J. Paul Getty Museum - 05 - Paintings/01 - Paintings - 01 - Paintings.webm 10.05MB
  3606. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 13 - GMAT_ Data sufficiency 13.webm 10.05MB
  3607. Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 01 - What is information theory_.webm 10.05MB
  3608. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/03 - The Constitution of the United States - 01 - The Constitution and the Constitutional Convention.webm 10.05MB
  3609. Science/06 - Health and medicine - 02 - Human anatomy and physiology/10 - Integumentary system introduction - 10 - Pain and temperature.webm 10.04MB
  3610. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/06 - Somatosensation - 05 - Pain and temperature.webm 10.04MB
  3611. Test prep/02 - MCAT - 03 - Organ systems/17 - Integumentary system - 10 - Pain and temperature.webm 10.04MB
  3612. Test prep/02 - MCAT - 06 - Processing the environment/04 - Somatosensation - 05 - Pain and temperature.webm 10.04MB
  3613. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 07 - Education as a force of convergence.webm 10.04MB
  3614. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/08 - Pneumonia - 02 - Pneumonia diagnosis and treatment.webm 10.04MB
  3615. Science/06 - Health and medicine - 04 - Circulatory system diseases/06 - Cardiomyopathy - 03 - Dilated cardiomyopathy_ Pathophysiology and diagnosis.webm 10.04MB
  3616. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/06 - Cardiomyopathy - 03 - Dilated cardiomyopathy_ Pathophysiology and diagnosis.webm 10.04MB
  3617. Math/17 - Precalculus - 04 - Imaginary and complex numbers/05 - The complex plane - 04 - Rectangular to polar form of complex number.webm 10.03MB
  3618. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 08 - Calcium-rich deposits found.webm 10.02MB
  3619. Math/20 - Multivariable calculus - 02 - Partial derivatives, gradient, divergence, curl/01 - Partial derivatives - 01 - Partial derivatives.webm 10.02MB
  3620. Science/06 - Health and medicine - 10 - Endocrine system diseases/01 - Diabetes - 02 - Blood sugar levels.webm 10.02MB
  3621. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/05 - Arterial stiffness - 04 - Compliance - decreased blood pressure.webm 10.02MB
  3622. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 10 - Random predictions for 2060.webm 10.02MB
  3623. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 27 - GMAT_ Data sufficiency 26.webm 10.02MB
  3624. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 10 - Fundamentals_ Soundness.webm 10.01MB
  3625. Math/21 - Differential equations - 03 - Laplace transform/02 - Properties of the Laplace transform - 03 - 'Shifting' transform by multiplying function by exponential.webm 10.01MB
  3626. Science/03 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 03 - Atomic and ionic radii.webm 10.01MB
  3627. Test prep/02 - MCAT - 04 - Physical processes/27 - Periodic table - 05 - Atomic and ionic radii.webm 10.01MB
  3628. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 07 - E2 elimination_ Stereoselectivity.webm 10.01MB
  3629. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/03 - James Madison - 03 - Madison's role in the Constitutional Convention in 1787.webm 10.00MB
  3630. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/04 - Oxidation and reduction - 02 - Oxidation states II.webm 10.00MB
  3631. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 15 - TB and HIV.webm 9.99MB
  3632. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 15 - TB and HIV.webm 9.99MB
  3633. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 11 - Fallacies_ Formal and informal fallacies.webm 9.99MB
  3634. Science/06 - Health and medicine - 13 - Infectious diseases/02 - Pertussis - 03 - Pathophysiology of pertussis.webm 9.99MB
  3635. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/15 - Pertussis - 03 - Pathophysiology of pertussis.webm 9.99MB
  3636. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 01 - E1 elimination_ Mechanism.webm 9.99MB
  3637. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 51 - GMAT_ Math 51.webm 9.99MB
  3638. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/10 - England - 02 - Room_ 1540-1650.webm 9.99MB
  3639. Partner content/02 - Tate - 01 - Meet 500 years of British art/02 - 16th to 18th century_ Dynasty, revolution, and the Classical Age - 01 - Room_ 1540-1650.webm 9.99MB
  3640. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/02 - Conformations - 02 - Newman projections 2.webm 9.98MB
  3641. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/02 - Alkene reactions - 04 - Polymerization of alkenes with acid.webm 9.98MB
  3642. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 05 - Hopper, Nighthawks.webm 9.98MB
  3643. Math/21 - Differential equations - 01 - First order differential equations/06 - Exact equations and integrating factors - 02 - Exact equations intuition 2 (proofy).webm 9.97MB
  3644. Math/22 - Linear algebra - 02 - Matrix transformations/06 - More determinant depth - 05 - Determinant after row operations.webm 9.97MB
  3645. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/02 - Synthesis of alcohols - 04 - Synthesis of alcohols using Grignard reagents II.webm 9.97MB
  3646. Partner content/04 - The Museum of Modern Art - 07 - Performance Art/01 - Performance Art - 09 - Marina Abramović_ Performance vs. acting.webm 9.96MB
  3647. Math/13 - Geometry - 08 - Special properties and parts of triangles/03 - Medians and centroids - 06 - Median centroid right triangle example.webm 9.96MB
  3648. Science/02 - Physics - 02 - Two-dimensional motion/03 - Centripetal acceleration - 04 - Optimal turns at Indianapolis Motor Speedway with JR Hildebrand.webm 9.96MB
  3649. Test prep/02 - MCAT - 02 - Cells/03 - Transport across a cell membrane - 07 - Endocytosis and Exocytosis.webm 9.96MB
  3650. Science/06 - Health and medicine - 02 - Human anatomy and physiology/11 - Lymphatic system introduction - 03 - The lymphatic system's role in immunity.webm 9.95MB
  3651. Test prep/02 - MCAT - 03 - Organ systems/10 - Lymphatic system - 03 - The lymphatic system's role in immunity.webm 9.95MB
  3652. Test prep/03 - NCLEX-RN - 08 - Lymphatic system/01 - Lymphatic system - 03 - The lymphatic system's role in immunity.webm 9.95MB
  3653. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/03 - James Madison - 05 - Dolley Madison.webm 9.95MB
  3654. Math/13 - Geometry - 08 - Special properties and parts of triangles/02 - Angle bisectors - 01 - Point-line distance and angle bisectors.webm 9.95MB
  3655. Math/09 - Pre-algebra - 08 - Arithmetic properties/09 - Arithmetic properties - 06 - CA Algebra I_ Number properties and absolute value.webm 9.95MB
  3656. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 13 - Grave Stele of Hegeso.webm 9.95MB
  3657. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 13 - Grave Stele of Hegeso.webm 9.95MB
  3658. Science/02 - Physics - 05 - Impacts and linear momentum/01 - Momentum - 03 - 2-dimensional momentum problem.webm 9.95MB
  3659. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 20 - GMAT_ Data sufficiency 20.webm 9.94MB
  3660. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 10 - Donatello, Madonna of the Clouds.webm 9.94MB
  3661. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 02 - Fundamentals_ Deductive Arguments.webm 9.94MB
  3662. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 04 - Thermodynamics (part 4).webm 9.94MB
  3663. Test prep/02 - MCAT - 05 - Chemical processes/13 - Alcohols and phenols - 01 - Alcohol nomenclature.webm 9.93MB
  3664. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 38 - GMAT_ Data sufficiency 37.webm 9.93MB
  3665. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/03 - Marc Ecko - Founder of Ecko Unlimited - 02 - Marc Ecko - Failures are lessons for future success.webm 9.93MB
  3666. Math/14 - Algebra II - 04 - Rational expressions/03 - Graphing rational functions - 01 - Horizontal and vertical asymptotes of function.webm 9.93MB
  3667. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 21 - Raphael, Portrait of Pope Julius II.webm 9.92MB
  3668. Math/17 - Precalculus - 06 - Sequences, series and induction/03 - Geometric sequences - 01 - Geometric sequences introduction.webm 9.92MB
  3669. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/04 - Market equilibrium - 02 - Changes in market equilibrium.webm 9.92MB
  3670. Science/01 - Biology - 01 - Cellular and molecular biology/02 - Cell division - 02 - Zygote differentiating into somatic and germs cells.webm 9.91MB
  3671. Science/02 - Physics - 02 - Two-dimensional motion/03 - Centripetal acceleration - 02 - Centripetal force and acceleration intuition.webm 9.91MB
  3672. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/01 - Line integrals for scalar functions - 04 - Line integral example 2 (part 2).webm 9.91MB
  3673. Partner content/18 - NASA - 03 - Exploring the Universe/03 - Curiosity rover_ mission briefing - 02 - Destination_ Gale crater.webm 9.91MB
  3674. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 38 - GMAT_ Math 38.webm 9.91MB
  3675. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 12 - Banking 12_ Treasuries (government debt).webm 9.91MB
  3676. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/01 - Marginal propensity to consume (MPC) - 01 - MPC and multiplier.webm 9.90MB
  3677. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/01 - Addition reactions of conjugated dienes - 03 - Addition reaction of conjugated dienes III_ Control.webm 9.89MB
  3678. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 14 - Cross product 2.webm 9.89MB
  3679. Science/02 - Physics - 06 - Moments, torque, and angular momentum/01 - Torque, moments, and angular momentum - 06 - Angular momentum.webm 9.89MB
  3680. Partner content/05 - The J. Paul Getty Museum - 02 - A brief history of glassmaking/01 - A brief history of glassmaking - 07 - Glassmaking technique_ cameo glass.webm 9.89MB
  3681. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 03 - Shock - oxygen delivery and metabolism.webm 9.89MB
  3682. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 04 - Shock - oxygen delivery and metabolism.webm 9.89MB
  3683. Science/04 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 04 - Aromatic stability IV.webm 9.89MB
  3684. Math/22 - Linear algebra - 01 - Vectors and spaces/07 - Null space and column space - 11 - Showing relation between basis cols and pivot cols.webm 9.88MB
  3685. Science/04 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 05 - Retro-aldol and retrosynthesis.webm 9.88MB
  3686. Test prep/02 - MCAT - 05 - Chemical processes/11 - Alpha-carbon chemistry - 08 - Retro-aldol and retrosynthesis.webm 9.88MB
  3687. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/02 - Modeling with exponential functions - 02 - Decay of cesium 137 example.webm 9.88MB
  3688. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 11 - Monet, Poplars.webm 9.88MB
  3689. Science/02 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 03 - Force of friction keeping the block stationary.webm 9.88MB
  3690. Test prep/02 - MCAT - 04 - Physical processes/07 - Forces on inclined planes - 03 - Force of friction keeping the block stationary.webm 9.88MB
  3691. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/04 - Continuous compound interest and e - 01 - e and compound interest.webm 9.88MB
  3692. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/01 - Fauvism and Matisse - 03 - Matisse, 'The Blue Window'.webm 9.87MB
  3693. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 21 - Matisse, 'The Blue Window'.webm 9.87MB
  3694. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/04 - Inverse trig functions - 11 - Applying inverse trig function with model.webm 9.87MB
  3695. Math/15 - Trigonometry - 03 - Graphs of trig functions/02 - Modeling with periodic functions - 02 - Applying inverse trig function with model.webm 9.87MB
  3696. Math/18 - Differential calculus - 01 - Limits/08 - Epsilon delta definition of limits - 06 - Epsilon-delta limit definition 2.webm 9.86MB
  3697. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 14 - GMAT_ Data sufficiency 14.webm 9.86MB
  3698. Partner content/18 - NASA - 03 - Exploring the Universe/02 - Mars_ Modern exploration - 01 - Viking mission.webm 9.86MB
  3699. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/05 - Middle empire - 06 - Hadrian, Building the wall.webm 9.85MB
  3700. Partner content/03 - The British Museum - 04 - Europe/02 - Ancient Rome - 03 - Hadrian, Building the wall.webm 9.85MB
  3701. Math/17 - Precalculus - 04 - Imaginary and complex numbers/06 - Exponential form of complex numbers - 03 - Exponential form to find complex roots.webm 9.85MB
  3702. Science/04 - Organic chemistry - 14 - Spectroscopy/01 - Infrared Spectroscopy - 01 - Introduction to infrared spectroscopy.webm 9.85MB
  3703. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 01 - Introduction to infrared spectroscopy.webm 9.85MB
  3704. Science/03 - Chemistry - 05 - Chemical bonds/03 - Hybridization and hybrid orbitals - 02 - Steric number and sp3 hybridization.webm 9.85MB
  3705. Science/04 - Organic chemistry - 01 - General chemistry review/03 - Hybrid orbitals - 02 - Steric number and sp3 hybridization.webm 9.85MB
  3706. Test prep/02 - MCAT - 05 - Chemical processes/06 - Covalent bonds - 05 - Steric number and sp3 hybridization.webm 9.85MB
  3707. Math/04 - 5th grade (U.S.) - 01 - Arithmetic operations/03 - Multiplying whole numbers and decimals - 01 - Multiplying multiple digit numbers.webm 9.84MB
  3708. Math/08 - Arithmetic - 02 - Multiplication and division/05 - Multi-digit multiplication - 09 - Multiplying multiple digit numbers.webm 9.84MB
  3709. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 08 - CAHSEE practice_ Problems 23-27.webm 9.84MB
  3710. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 02 - Nomenclature and properties of esters.webm 9.84MB
  3711. Test prep/02 - MCAT - 05 - Chemical processes/15 - Carboxylic acid derivatives - 02 - Nomenclature and properties of esters.webm 9.84MB
  3712. Science/06 - Health and medicine - 05 - Advanced respiratory system physiology/01 - Gas exchange - 04 - O2 and CO2 solubility.webm 9.83MB
  3713. Test prep/02 - MCAT - 03 - Organ systems/09 - Respiratory system - 04 - O2 and CO2 solubility.webm 9.83MB
  3714. Test prep/03 - NCLEX-RN - 04 - Respiratory system/01 - Respiratory system - 04 - O2 and CO2 solubility.webm 9.83MB
  3715. Test prep/02 - MCAT - 04 - Physical processes/19 - Light and electromagnetic radiation - 05 - Young's Double slit part 2.webm 9.83MB
  3716. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 07 - 'Wall Drawing #1144, Broken Bands of Color in Four Directions' by Sol LeWitt, 2004 - MoMA Education.webm 9.83MB
  3717. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 23 - Magnetism 8.webm 9.83MB
  3718. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/02 - Expected value - 03 - Expected profit from lottery ticket.webm 9.82MB
  3719. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/13 - Jason Christiansen - President and CEO of Rigid Industries - 02 - The World of Copy Cat Companies.webm 9.82MB
  3720. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 52 - GMAT_ Math 52.webm 9.82MB
  3721. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/04 - Conformations of alkanes and cycloalkanes - 04 - Conformations of cyclohexane II_ Monosubstituted.webm 9.82MB
  3722. Science/03 - Chemistry - 03 - Electronic structure of atoms/01 - Bohr's model of the hydrogen atom - 06 - Absorption and emission.webm 9.81MB
  3723. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 06 - Absorption and emission.webm 9.81MB
  3724. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/02 - Expressionism - 04 - Jawlensky, Young Girl in a Flowered Hat.webm 9.81MB
  3725. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/03 - Daedalic and Archaic - 04 - Peplos Kore from the Acropolis.webm 9.81MB
  3726. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 04 - Peplos Kore from the Acropolis.webm 9.81MB
  3727. Science/06 - Health and medicine - 08 - Hematologic system diseases/02 - Leukemia - 06 - Acute leukemia.webm 9.81MB
  3728. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 06 - Acute leukemia.webm 9.81MB
  3729. Science/02 - Physics - 02 - Two-dimensional motion/03 - Centripetal acceleration - 03 - Visual understanding of centripetal acceleration formula.webm 9.81MB
  3730. Math/20 - Multivariable calculus - 01 - Double and triple integrals/01 - Double integrals - 01 - Double integral 1.webm 9.81MB
  3731. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/18 - Beth Schmidt - Founder of Wishbone.org - 02 - There better be an authentic need.webm 9.80MB
  3732. Partner content/19 - Big History Project - 06 - 6. Early Humans/01 - 6.0—How Our Ancestors Evolved - 01 - Threshold 6_ Humans and Collective Learning.webm 9.80MB
  3733. Science/03 - Chemistry - 03 - Electronic structure of atoms/01 - Bohr's model of the hydrogen atom - 02 - Bohr model radii (derivation using physics).webm 9.80MB
  3734. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 02 - Bohr model radii (derivation using physics).webm 9.80MB
  3735. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 37 - Stoichiometry of a reaction in solution.webm 9.80MB
  3736. Science/04 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 04 - Sulfonation.webm 9.79MB
  3737. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 07 - Bailout 7_ Bank goes into bankruptcy.webm 9.79MB
  3738. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 08 - Bailout 7_ Bank goes into bankruptcy.webm 9.79MB
  3739. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 14 - Dating younger rocks.webm 9.79MB
  3740. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 03 - Deriving demand curve from tweaking marginal utility per dollar.webm 9.79MB
  3741. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 13 - Donatello, Mary Magdalene.webm 9.79MB
  3742. Partner content/02 - Tate - 02 - The art of inspiration/04 - Art and appropriation - 01 - AK Dolven on Edvard Munch.webm 9.78MB
  3743. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 06 - Systems and rate problems 2.webm 9.78MB
  3744. Test prep/02 - MCAT - 04 - Physical processes/11 - Gas phase - 06 - Charles's law.webm 9.78MB
  3745. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 08 - Ventricular tachycardia (Vtach).webm 9.78MB
  3746. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 08 - Ventricular tachycardia (Vtach).webm 9.78MB
  3747. Science/04 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 04 - Meta directors I.webm 9.78MB
  3748. Science/06 - Health and medicine - 02 - Human anatomy and physiology/04 - Urinary system introduction - 02 - Kidney function and anatomy.webm 9.78MB
  3749. Test prep/02 - MCAT - 03 - Organ systems/12 - Renal system - 02 - Kidney function and anatomy.webm 9.78MB
  3750. Test prep/03 - NCLEX-RN - 10 - Renal system/01 - Introduction to the renal system - 02 - Kidney function and anatomy.webm 9.78MB
  3751. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 02 - Hydrohalogenation.webm 9.78MB
  3752. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/01 - History of life on earth - 05 - First living things on land clarification.webm 9.77MB
  3753. Math/13 - Geometry - 08 - Special properties and parts of triangles/01 - Perpendicular bisectors - 03 - Three points defining a circle.webm 9.77MB
  3754. Economics and finance/03 - Finance and capital markets - 02 - Housing/04 - Home buying process - 03 - Making an offer on a home.webm 9.76MB
  3755. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/08 - Constructing equations in slope-intercept form - 03 - Constructing linear equations to solve word problems.webm 9.76MB
  3756. Science/01 - Biology - 01 - Cellular and molecular biology/02 - Cell division - 01 - Fertlization terminology_ gametes, zygotes, haploid and diploid.webm 9.76MB
  3757. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 06 - Cytotoxic T cells.webm 9.76MB
  3758. Test prep/02 - MCAT - 03 - Organ systems/11 - Immune system - 06 - Cytotoxic T cells.webm 9.76MB
  3759. Test prep/03 - NCLEX-RN - 09 - Immune system/01 - Immune system - 06 - Cytotoxic T cells.webm 9.76MB
  3760. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 38 - Another stoichiometry example in a solution.webm 9.76MB
  3761. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/02 - Alkene reactions - 01 - Introduction to reaction mechanisms.webm 9.76MB
  3762. Math/11 - Algebra I - 09 - Functions/11 - Modeling with one-variable equations and inequalities - 02 - Quadratic inequality word problem.webm 9.76MB
  3763. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 11 - Léon Bakst, 'Costume design for the ballet The Firebird'.webm 9.75MB
  3764. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 09 - Léon Bakst, 'Costume design for the ballet The Firebird'.webm 9.75MB
  3765. Arts and humanities/08 - Monarchy and enlightenment - 04 - Britain and America in the Age of Revolution/01 - Britain in the age of revolution - 06 - Room_ 1780-1810.webm 9.75MB
  3766. Partner content/02 - Tate - 01 - Meet 500 years of British art/02 - 16th to 18th century_ Dynasty, revolution, and the Classical Age - 05 - Room_ 1780-1810.webm 9.75MB
  3767. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/03 - Dinosaur extinction - 03 - How did all dinosaurs except birds go extinct_.webm 9.75MB
  3768. Math/21 - Differential equations - 01 - First order differential equations/05 - Euler's Method - 01 - Euler's method.webm 9.75MB
  3769. Test prep/02 - MCAT - 04 - Physical processes/11 - Gas phase - 07 - Avogadro's law.webm 9.74MB
  3770. Math/21 - Differential equations - 03 - Laplace transform/01 - Laplace transform - 03 - L{sin(at)}) - transform of sin(at).webm 9.74MB
  3771. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 06 - Calculus BC 2008 2 b andc.webm 9.74MB
  3772. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 42 - GMAT_ Math 42.webm 9.73MB
  3773. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/04 - Poisson process - 01 - Poisson process 1.webm 9.73MB
  3774. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 17 - Banking 17_ What happened to the gold_.webm 9.73MB
  3775. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/10 - Sal's old Maclaurin and Taylor series tutorial - 07 - Polynomial approximation of functions (part 7).webm 9.73MB
  3776. Arts and humanities/05 - Ancient art and civilizations - 02 - Egyptian art and culture/03 - New Kingdom - 04 - Thutmose, Bust of Nefertiti.webm 9.73MB
  3777. Science/03 - Chemistry - 01 - Atoms, molecules, and ions/01 - Introduction to the atom - 03 - Atomic number, mass number, and isotopes.webm 9.72MB
  3778. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 01 - Atomic number, mass number, and isotopes.webm 9.72MB
  3779. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/12 - Renaud Laplanche - Founder of Lending Club - 03 - Sailing the Seas of Entrepreneurship.webm 9.72MB
  3780. Test prep/02 - MCAT - 04 - Physical processes/16 - Magnetism - 03 - Magnetism - Part 3.webm 9.72MB
  3781. Science/06 - Health and medicine - 06 - Respiratory system diseases/12 - Throat conditions - 04 - What is a tonsillectomy_.webm 9.72MB
  3782. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/14 - Throat conditions - 04 - What is a tonsillectomy_.webm 9.72MB
  3783. Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 03 - Monopolist optimizing price_ Marginal revenue.webm 9.72MB
  3784. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/02 - Synthesis of alcohols - 01 - Preparation of alcohols using NaBH4.webm 9.72MB
  3785. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/02 - How the Constitution deals with civil liberties and privacy in an age of technological change - 03 - Article I of the U.S. Constitution.webm 9.72MB
  3786. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Cell potentials - 10 - Concentration cell.webm 9.72MB
  3787. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 14 - Concentration cell.webm 9.72MB
  3788. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 17 - GMAT_ Data sufficiency 17.webm 9.71MB
  3789. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/04 - Collateralized debt obligations - 02 - Collateralized debt obligation (CDO).webm 9.71MB
  3790. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 08 - Collateralized debt obligation (CDO).webm 9.71MB
  3791. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/05 - Present value - 01 - Time value of money.webm 9.71MB
  3792. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 18 - Magnetism 3.webm 9.70MB
  3793. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 10 - Globalization- trade and transnational corporations.webm 9.70MB
  3794. Math/13 - Geometry - 06 - Perimeter, area, and volume/01 - Perimeter and area of triangles - 07 - Challenging perimeter problem.webm 9.69MB
  3795. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 02 - Challenging perimeter problem.webm 9.69MB
  3796. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 40 - GMAT_ Math 40.webm 9.69MB
  3797. Partner content/12 - Stanford School of Medicine - 03 - Growth and Metabolism/01 - Growth and Metabolism - 03 - Growth Curves.webm 9.69MB
  3798. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 04 - Strokes.webm 9.69MB
  3799. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/13 - War and conquest - 06 - 'Terrible Beauty' with C. Griffith Mann.webm 9.69MB
  3800. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 02 - Bailout 2_ Book value.webm 9.69MB
  3801. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 03 - Bailout 2_ Book value.webm 9.69MB
  3802. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/03 - Solubility equilibria - 02 - Dissolution and precipitation.webm 9.69MB
  3803. Test prep/02 - MCAT - 05 - Chemical processes/03 - Solubility equilibria - 02 - Dissolution and precipitation.webm 9.69MB
  3804. Science/03 - Chemistry - 08 - Chemical equilibrium/01 - Equilibrium constant - 04 - Heterogeneous equilibrium.webm 9.68MB
  3805. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 06 - Cistercian Abbey of Fontenay (UNESCO_NHK).webm 9.68MB
  3806. Arts and humanities/08 - Monarchy and enlightenment - 04 - Britain and America in the Age of Revolution/02 - America in the age of Revolution - 02 - Peale, Staircase Group (Portrait of Raphaelle Peale and Titian Ramsay Peale).webm 9.68MB
  3807. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/06 - T.A. McCann - Founder and CEO of Gist - 02 - T.A. McCann - Translating from ideas to execution.webm 9.68MB
  3808. Math/13 - Geometry - 11 - Analytic geometry/01 - Geometry problems on the coordinate plane - 01 - Recognizing points on a circle.webm 9.68MB
  3809. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 01 - Partial derivatives of vector-valued functions.webm 9.68MB
  3810. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/02 - Expected value - 04 - Expected value while fishing.webm 9.67MB
  3811. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 09 - Circuits (part 1).webm 9.67MB
  3812. Test prep/02 - MCAT - 04 - Physical processes/14 - Current and resistance - 01 - Circuits (part 1).webm 9.67MB
  3813. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 05 - Making aligned hardware, software, and space decisions in a blended learning environment/02 - Blended learning software - 04 - Resources to learn about software_ the 'consumer reports' of ed tech.webm 9.67MB
  3814. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 23 - GMAT_ Data sufficiency 22.webm 9.67MB
  3815. Science/02 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 07 - Static and kinetic friction example.webm 9.67MB
  3816. Test prep/02 - MCAT - 04 - Physical processes/07 - Forces on inclined planes - 07 - Static and kinetic friction example.webm 9.67MB
  3817. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 12 - Motor controller connections.webm 9.67MB
  3818. Math/18 - Differential calculus - 01 - Limits/04 - Continuity using limits - 01 - Limits to define continuity.webm 9.66MB
  3819. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/05 - Credit default swaps - 02 - Credit default swaps.webm 9.66MB
  3820. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 09 - Credit default swaps.webm 9.66MB
  3821. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 16 - CA Geometry_ Basic trigonometry.webm 9.66MB
  3822. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/04 - Molecular composition - 05 - Empirical formula from mass composition.webm 9.66MB
  3823. Test prep/02 - MCAT - 04 - Physical processes/28 - Stoichiometry - 03 - Empirical formula from mass composition.webm 9.66MB
  3824. Science/03 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 02 - Arrhenius equation.webm 9.65MB
  3825. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 14 - Arrhenius equation.webm 9.65MB
  3826. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/02 - Light and fundamental forces - 01 - Introduction to light.webm 9.65MB
  3827. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/03 - Formal charge and resonance - 06 - Resonance structures and hybridization.webm 9.65MB
  3828. Math/16 - Probability and statistics - 04 - Descriptive statistics/04 - Sal's old statistics videos - 03 - Statistics_ Sample variance.webm 9.65MB
  3829. Math/11 - Algebra I - 07 - Quadratic equations/01 - Solving quadratics by taking square root - 01 - Solving quadratic equations by square roots.webm 9.64MB
  3830. Math/14 - Algebra II - 03 - Polynomial and rational functions/02 - Completing the square and the quadratic formula - 01 - Solving quadratic equations by square roots.webm 9.64MB
  3831. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/02 - Conformations - 03 - Chair and boat shapes for cyclohexane.webm 9.64MB
  3832. Science/07 - Discoveries and projects - 04 - Lego robotics/01 - Introduction - 02 - DLab_ Inspired by sumo robots.webm 9.64MB
  3833. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 09 - DLab_ Inspired by sumo robots.webm 9.64MB
  3834. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 03 - 2011 Calculus AB free response #2 (c and d).webm 9.64MB
  3835. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 08 - CA Geometry_ Triangles and parallelograms.webm 9.64MB
  3836. Math/14 - Algebra II - 03 - Polynomial and rational functions/02 - Completing the square and the quadratic formula - 06 - Discriminant of quadratic equations.webm 9.64MB
  3837. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 10 - Mars' bygone atmosphere.webm 9.63MB
  3838. Science/02 - Physics - 04 - Work and energy/01 - Work and energy - 04 - Work_energy problem with friction.webm 9.63MB
  3839. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 06 - Work_energy problem with friction.webm 9.63MB
  3840. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 22 - GMAT_ Math 22.webm 9.63MB
  3841. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/02 - The square root - 05 - Square roots and real numbers.webm 9.63MB
  3842. Math/10 - Algebra basics - 01 - Foundations/04 - The square root - 04 - Square roots and real numbers.webm 9.63MB
  3843. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 10 - CA Geometry_ Area, circumference, volume.webm 9.62MB
  3844. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 22 - Magnetism 7.webm 9.62MB
  3845. Science/02 - Physics - 06 - Moments, torque, and angular momentum/01 - Torque, moments, and angular momentum - 05 - Relationship between angular velocity and speed.webm 9.62MB
  3846. Math/20 - Multivariable calculus - 05 - Divergence theorem/01 - Divergence theorem (3D) - 02 - Divergence theorem example 1.webm 9.62MB
  3847. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/07 - Hellenistic - 07 - Laocoön and his sons.webm 9.61MB
  3848. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 05 - Example of calculating a surface integral part 3.webm 9.61MB
  3849. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 28 - The dot product.webm 9.61MB
  3850. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 02 - Nuclear shielding.webm 9.61MB
  3851. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 02 - Nuclear shielding.webm 9.61MB
  3852. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 10 - 2011 Calculus BC free response #1d.webm 9.61MB
  3853. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/04 - Labor and marginal product revenue - 02 - How many people to hire given the MPR curve.webm 9.61MB
  3854. Arts and humanities/10 - Age of global conflict - 03 - World War I, Futurism and Dada/01 - Futurism and the Great War - 03 - Duchamp-Villon, Horse.webm 9.61MB
  3855. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 11 - GMAT_ Math 11.webm 9.61MB
  3856. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 12 - John Roddam Spencer Stanhope, Thoughts of the Past.webm 9.60MB
  3857. Math/22 - Linear algebra - 02 - Matrix transformations/05 - Finding inverses and determinants - 04 - 3 x 3 determinant.webm 9.60MB
  3858. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/02 - Light and fundamental forces - 02 - Four fundamental forces.webm 9.60MB
  3859. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/05 - The Phillips curve_ Inflation and unemployment - 02 - Phillips curve.webm 9.60MB
  3860. Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 08 - Summary (what's next_).webm 9.59MB
  3861. Math/21 - Differential equations - 03 - Laplace transform/01 - Laplace transform - 04 - Part 2 of the transform of the sin(at).webm 9.59MB
  3862. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 14 - Drug-resistant TB.webm 9.59MB
  3863. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 14 - Drug-resistant TB.webm 9.59MB
  3864. Math/20 - Multivariable calculus - 02 - Partial derivatives, gradient, divergence, curl/01 - Partial derivatives - 02 - Partial derivatives 2.webm 9.59MB
  3865. Math/16 - Probability and statistics - 03 - Statistical studies/03 - Hypothesis testing - 03 - Statistical significance of experiment.webm 9.58MB
  3866. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 04 - Reactivity of carboxylic acid derivatives.webm 9.58MB
  3867. Test prep/02 - MCAT - 05 - Chemical processes/15 - Carboxylic acid derivatives - 04 - Reactivity of carboxylic acid derivatives.webm 9.58MB
  3868. Partner content/09 - Asian Art Museum - 09 - Buddhism/01 - Buddhism - 03 - The Buddha triumphing over Mara.webm 9.58MB
  3869. Economics and finance/02 - Macroeconomics - 04 - The monetary system/04 - Interest as the price of money - 01 - Interest as rent for money.webm 9.58MB
  3870. Science/02 - Physics - 09 - Fluids/01 - Fluids - 02 - Fluids (part 2).webm 9.58MB
  3871. Test prep/02 - MCAT - 04 - Physical processes/09 - Fluids at rest - 02 - Fluids (part 2).webm 9.58MB
  3872. Arts and humanities/09 - Becoming modern - 02 - Romanticism/05 - Germany - 03 - Friedrich, The Lone Tree.webm 9.58MB
  3873. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 10 - Circuits (part 2).webm 9.58MB
  3874. Test prep/02 - MCAT - 04 - Physical processes/14 - Current and resistance - 02 - Circuits (part 2).webm 9.58MB
  3875. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 22 - Object image and focal distance relationship (proof of formula).webm 9.58MB
  3876. Test prep/02 - MCAT - 04 - Physical processes/22 - Thin lenses - 04 - Object image and focal distance relationship (proof of formula).webm 9.58MB
  3877. Math/17 - Precalculus - 06 - Sequences, series and induction/01 - Induction - 01 - Proof by induction.webm 9.57MB
  3878. Arts and humanities/09 - Becoming modern - 07 - America_ Civil War to the Gilded Age/01 - America_ Civil War to the Gilded Age - 08 - Sargent, Carnation, Lily, Lily, Rose.webm 9.57MB
  3879. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 07 - CA Geometry_ More on congruent and similar triangles.webm 9.57MB
  3880. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 25 - Magnetism 10_ Electric motors.webm 9.57MB
  3881. Partner content/19 - Big History Project - 07 - 7. Agriculture and Civilization/01 - 7.0—The Rise of Agriculture - 01 - Threshold 7_ Agriculture.webm 9.57MB
  3882. Science/02 - Physics - 05 - Impacts and linear momentum/01 - Momentum - 04 - 2-dimensional momentum problem (part 2).webm 9.57MB
  3883. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/10 - Sal's old Maclaurin and Taylor series tutorial - 02 - Polynomial approximation of functions (part 2).webm 9.56MB
  3884. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 30 - GMAT_ Math 30.webm 9.56MB
  3885. Arts and humanities/09 - Becoming modern - 02 - Romanticism/05 - Germany - 01 - Friedrich, Monk by the Sea.webm 9.56MB
  3886. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/04 - Philip Rosedale - Founder and Chairman of Second Life - 01 - Philip Rosedale - Founder of Coffee and Power.webm 9.56MB
  3887. Science/06 - Health and medicine - 06 - Respiratory system diseases/02 - Asthma - 03 - Asthma diagnosis.webm 9.56MB
  3888. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 03 - Asthma diagnosis.webm 9.56MB
  3889. Science/02 - Physics - 08 - Oscillatory motion/01 - Harmonic motion - 03 - Harmonic motion part 3 (no calculus).webm 9.55MB
  3890. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/03 - Binomial distribution - 05 - Free throw binomial probability distribution.webm 9.55MB
  3891. Math/07 - 8th grade (U.S.) - 05 - Geometry/07 - Volume - 01 - Cylinder volume and surface area.webm 9.55MB
  3892. Math/12 - Basic geometry - 06 - Volume and surface area/03 - Volume of cones, cylinders, and spheres - 01 - Cylinder volume and surface area.webm 9.55MB
  3893. Math/13 - Geometry - 06 - Perimeter, area, and volume/07 - Volume and surface area - 04 - Cylinder volume and surface area.webm 9.55MB
  3894. Science/04 - Organic chemistry - 04 - Stereochemistry/01 - Chirality and the R,S system - 05 - R,S (Cahn-Ingold-Prelog) naming system example 2.webm 9.55MB
  3895. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 29 - Dot vs. cross product.webm 9.55MB
  3896. Science/01 - Biology - 03 - Heredity and evolution/01 - Evolution and natural selection - 04 - Evolution clarification.webm 9.55MB
  3897. Partner content/04 - The Museum of Modern Art - 03 - Behind the scenes at MoMA/01 - Behind the scenes at MoMA - 09 - Conservation - René Magritte, 'The Menaced Assassin,' 1927.webm 9.55MB
  3898. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 31 - IIT JEE lagrange's formula.webm 9.54MB
  3899. Science/03 - Chemistry - 05 - Chemical bonds/03 - Hybridization and hybrid orbitals - 05 - Organic hybridization practice.webm 9.54MB
  3900. Science/04 - Organic chemistry - 01 - General chemistry review/03 - Hybrid orbitals - 05 - Organic hybridization practice.webm 9.54MB
  3901. Test prep/02 - MCAT - 05 - Chemical processes/06 - Covalent bonds - 08 - Organic hybridization practice.webm 9.54MB
  3902. Partner content/17 - The Aspen Institute - 03 - The founding mothers of the United States of America/02 - An introduction to the founding mothers - 01 - The founding mothers of the United States of America_ An overview.webm 9.54MB
  3903. Partner content/03 - The British Museum - 07 - Contemporary Sculptors at the British Museum/01 - Contemporary Sculptors at the British Museum - 04 - Antony Gormley's Case for an Angel I at the British Museum.webm 9.54MB
  3904. Test prep/02 - MCAT - 01 - Biomolecules/11 - Overview of metabolism - 05 - ATP hydrolysis_ Transfer of a phosphate group.webm 9.53MB
  3905. Test prep/02 - MCAT - 05 - Chemical processes/13 - Alcohols and phenols - 08 - Biological redox reactions of alcohols and phenols.webm 9.52MB
  3906. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 02 - GMAT_ Math 2.webm 9.52MB
  3907. Science/06 - Health and medicine - 15 - Health care system/01 - Health care system - 01 - Blue Cross and Blue Shield.webm 9.52MB
  3908. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 11 - CA Geometry_ Pythagorean theorem, area.webm 9.52MB
  3909. Math/20 - Multivariable calculus - 01 - Double and triple integrals/02 - Triple integrals - 01 - Triple integrals 1.webm 9.52MB
  3910. Math/18 - Differential calculus - 03 - Derivative applications/06 - Optimization with calculus - 03 - Optimizing box volume analytically.webm 9.51MB
  3911. Math/13 - Geometry - 02 - Angles and intersecting lines/02 - Angles between intersecting and parallel lines - 08 - CA Geometry_ Deducing angle measures.webm 9.51MB
  3912. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 13 - CA Geometry_ Deducing angle measures.webm 9.51MB
  3913. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/02 - Functional groups - 02 - Functional groups II.webm 9.51MB
  3914. Science/04 - Organic chemistry - 12 - Alpha carbon chemistry/01 - Formation of enolate anions - 04 - Enolate formation from ketones.webm 9.51MB
  3915. Test prep/02 - MCAT - 05 - Chemical processes/11 - Alpha-carbon chemistry - 03 - Enolate formation from ketones.webm 9.51MB
  3916. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/05 - Continuous compounding and e - 04 - Compound interest and e (part 2).webm 9.51MB
  3917. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/09 - Point-slope form and standard form - 03 - Linear equations in standard form.webm 9.51MB
  3918. Science/03 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 10 - Exponential decay and semi-log plots.webm 9.51MB
  3919. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 11 - Exponential decay and semi-log plots.webm 9.51MB
  3920. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/04 - Time scale of the cosmos - 02 - Cosmological time scale 2.webm 9.50MB
  3921. Math/05 - 6th grade (U.S.) - 07 - Data and statistics/05 - Box plots - 02 - Constructing a box and whisker plot.webm 9.50MB
  3922. Math/16 - Probability and statistics - 04 - Descriptive statistics/02 - Box-and-whisker plots - 02 - Constructing a box and whisker plot.webm 9.50MB
  3923. Science/06 - Health and medicine - 13 - Infectious diseases/03 - Influenza - 03 - When flu viruses attack_.webm 9.50MB
  3924. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 14 - DNA repair 2.webm 9.50MB
  3925. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 06 - Titian, Assumption of the Virgin.webm 9.50MB
  3926. Economics and finance/03 - Finance and capital markets - 10 - Current economics/02 - Housing price conundrum - 03 - Housing price conundrum (part 3).webm 9.49MB
  3927. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 03 - Housing price conundrum (part 3).webm 9.49MB
  3928. Science/06 - Health and medicine - 06 - Respiratory system diseases/02 - Asthma - 02 - Asthma pathophysiology.webm 9.49MB
  3929. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 02 - Asthma pathophysiology.webm 9.49MB
  3930. Math/20 - Multivariable calculus - 02 - Partial derivatives, gradient, divergence, curl/04 - Curl - 02 - Curl 2.webm 9.49MB
  3931. Science/06 - Health and medicine - 02 - Human anatomy and physiology/09 - Endocrine system introduction - 05 - Cellular mechanism of hormone action.webm 9.49MB
  3932. Test prep/02 - MCAT - 03 - Organ systems/06 - Endocrine system - 05 - Cellular mechanism of hormone action.webm 9.49MB
  3933. Test prep/03 - NCLEX-RN - 07 - Endocrine system/01 - Endocrine system - 05 - Cellular mechanism of hormone action.webm 9.49MB
  3934. Math/15 - Trigonometry - 04 - Trig identities and examples/07 - Advanced trig examples - 06 - Trigonometric system example.webm 9.49MB
  3935. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 39 - Trigonometric system example.webm 9.49MB
  3936. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/07 - 2011-2012 Greek debt crisis - 02 - Greek financial crisis (part 2).webm 9.49MB
  3937. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 03 - Teeth.webm 9.49MB
  3938. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 03 - Teeth.webm 9.49MB
  3939. Partner content/06 - California Academy of Sciences - 03 - Where is biodiversity found_/01 - Biodiversity Hotspots - 06 - Biodiversity hotspot case study_ Mesoamerica.webm 9.49MB
  3940. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/04 - Electrolytic cells and batteries - 04 - Lead storage battery.webm 9.49MB
  3941. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 18 - Lead storage battery.webm 9.49MB
  3942. Math/15 - Trigonometry - 03 - Graphs of trig functions/01 - Graphs of trig functions - 07 - Example_ Amplitude and period cosine transformations.webm 9.48MB
  3943. Math/17 - Precalculus - 01 - Vectors/03 - Vectors in magnitude and direction form - 08 - Three way tug of war vectors.webm 9.48MB
  3944. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 06 - Diamagnetic anisotropy.webm 9.48MB
  3945. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 06 - Diamagnetic anisotropy.webm 9.48MB
  3946. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 03 - Acid and base catalyzed formation of hydrates and hemiacetals.webm 9.48MB
  3947. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 06 - Acid and base catalyzed formation of hydrates and hemiacetals.webm 9.48MB
  3948. Math/20 - Multivariable calculus - 01 - Double and triple integrals/01 - Double integrals - 06 - Double integrals 6.webm 9.48MB
  3949. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 25 - GMAT_ Math 25.webm 9.47MB
  3950. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/01 - Body and mind - 08 - 'Exposure' with Freyda Spira.webm 9.47MB
  3951. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 03 - Bitcoin_ Cryptographic hash functions.webm 9.47MB
  3952. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 07 - Banking 7_ Giving out loans without giving out gold.webm 9.47MB
  3953. Science/02 - Physics - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 04 - Optimal angle for a projectile part 4_ Finding the optimal angle and distance with a bit of calculus.webm 9.47MB
  3954. Science/03 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 05 - Group trend for ionization energy.webm 9.47MB
  3955. Test prep/02 - MCAT - 04 - Physical processes/27 - Periodic table - 06 - Group trend for ionization energy.webm 9.47MB
  3956. Science/06 - Health and medicine - 06 - Respiratory system diseases/09 - Pleural Effusion - 03 - Transudate vs exudate.webm 9.46MB
  3957. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/09 - Pleural effusion - 03 - Transudate vs exudate.webm 9.46MB
  3958. Math/19 - Integral calculus - 01 - Integrals/05 - Functions defined by integrals - 02 - When an integral defined function is 0.webm 9.46MB
  3959. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 03 - Chemical equivalence.webm 9.46MB
  3960. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 03 - Chemical equivalence.webm 9.46MB
  3961. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/03 - Measuring age on earth - 02 - Carbon 14 dating 1.webm 9.46MB
  3962. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 04 - Demoraphic structure of soceity - sex, gender, and sexual orientation.webm 9.46MB
  3963. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 17 - Parabolic mirrors 2.webm 9.46MB
  3964. Test prep/02 - MCAT - 04 - Physical processes/23 - Spherical mirrors - 03 - Parabolic mirrors 2.webm 9.46MB
  3965. Test prep/02 - MCAT - 05 - Chemical processes/13 - Alcohols and phenols - 02 - Properties of alcohols.webm 9.46MB
  3966. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 20 - Ritual of the bedside exam.webm 9.46MB
  3967. Partner content/18 - NASA - 02 - Measuring the Universe/02 - Measuring the solar system - 01 - Circumference of Earth.webm 9.46MB
  3968. Science/02 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 05 - Force of friction keeping velocity constant.webm 9.46MB
  3969. Test prep/02 - MCAT - 04 - Physical processes/07 - Forces on inclined planes - 05 - Force of friction keeping velocity constant.webm 9.46MB
  3970. Test prep/02 - MCAT - 01 - Biomolecules/01 - Amino acids and proteins - 05 - Amino acid structure.webm 9.46MB
  3971. Test prep/02 - MCAT - 05 - Chemical processes/09 - Proteins - 01 - Amino acid structure.webm 9.46MB
  3972. Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 06 - Information entropy.webm 9.46MB
  3973. Science/02 - Physics - 09 - Fluids/01 - Fluids - 04 - Fluids (part 4).webm 9.46MB
  3974. Test prep/02 - MCAT - 04 - Physical processes/09 - Fluids at rest - 04 - Fluids (part 4).webm 9.46MB
  3975. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 11 - 'The Dark Lord' with Kurt Behrendt.webm 9.45MB
  3976. Math/21 - Differential equations - 02 - Second order linear equations/02 - Complex and repeated roots of characteristic equation - 03 - Complex roots of the characteristic equations 3.webm 9.45MB
  3977. Science/03 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 02 - Deflate gate.webm 9.45MB
  3978. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 34 - GMAT_ Data sufficiency 33.webm 9.45MB
  3979. Science/01 - Biology - 03 - Heredity and evolution/03 - Tree of life - 09 - Human prehistory 101_ Epilogue.webm 9.45MB
  3980. Arts and humanities/09 - Becoming modern - 02 - Romanticism/04 - England - 06 - Room_ JMW Turner.webm 9.44MB
  3981. Partner content/02 - Tate - 01 - Meet 500 years of British art/03 - 19th century_ Romanticism and the Victorian Era - 02 - Room_ JMW Turner.webm 9.44MB
  3982. Economics and finance/03 - Finance and capital markets - 10 - Current economics/02 - Housing price conundrum - 01 - The housing price conundrum.webm 9.44MB
  3983. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 01 - The housing price conundrum.webm 9.44MB
  3984. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/05 - Present value - 03 - Present value 2.webm 9.44MB
  3985. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 08 - Clonal selection.webm 9.44MB
  3986. Test prep/02 - MCAT - 03 - Organ systems/11 - Immune system - 08 - Clonal selection.webm 9.44MB
  3987. Test prep/03 - NCLEX-RN - 09 - Immune system/01 - Immune system - 08 - Clonal selection.webm 9.44MB
  3988. Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 07 - Perfect secrecy.webm 9.44MB
  3989. Science/01 - Biology - 01 - Cellular and molecular biology/04 - Photosynthesis - 09 - Cam plants.webm 9.44MB
  3990. Science/02 - Physics - 09 - Fluids/01 - Fluids - 09 - Fluids (part 9).webm 9.44MB
  3991. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 03 - Fluids (part 9).webm 9.44MB
  3992. Partner content/09 - Asian Art Museum - 05 - China/01 - China - 02 - Ritual vessel in the shape of a rhinoceros.webm 9.44MB
  3993. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 47 - GMAT_ Math 47.webm 9.44MB
  3994. Test prep/02 - MCAT - 07 - Behavior/03 - Behavior and genetics - 05 - Regulatory genes.webm 9.44MB
  3995. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 37 - GMAT_ Data sufficiency 36.webm 9.44MB
  3996. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 50 - GMAT_ Math 50.webm 9.43MB
  3997. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/04 - Sight (vision) - 07 - Feature detection and parallel processing.webm 9.43MB
  3998. Test prep/02 - MCAT - 06 - Processing the environment/02 - Sight (vision) - 07 - Feature detection and parallel processing.webm 9.43MB
  3999. Math/18 - Differential calculus - 02 - Taking derivatives/11 - Proofs of derivatives of common functions - 01 - Proof_ d_dx(ln x) _ 1_x.webm 9.43MB
  4000. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 05 - Demographic structure of society overview.webm 9.43MB
  4001. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 02 - Stenosis, ischemia and heart failure.webm 9.42MB
  4002. Science/06 - Health and medicine - 09 - Advanced endocrine system physiology/01 - Biological basis of behavior_ Endocrine system - 04 - Endocrine system and influence on behavior - Part 2.webm 9.42MB
  4003. Test prep/02 - MCAT - 07 - Behavior/02 - Biological basis of behavior_ Endocrine system - 02 - Endocrine system and influence on behavior - Part 2.webm 9.42MB
  4004. Test prep/02 - MCAT - 02 - Cells/01 - Cell membrane overview - 01 - Cell membrane introduction.webm 9.42MB
  4005. Computing/02 - Computer science - 02 - Journey into cryptography/07 - Randomized algorithms - 05 - Fermat primality test.webm 9.42MB
  4006. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/06 - Life of Benjamin Franklin - 02 - Benjamin Franklin becomes a writer.webm 9.42MB
  4007. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/02 - Benjamin Franklin - 02 - Benjamin Franklin becomes a writer.webm 9.42MB
  4008. Math/14 - Algebra II - 08 - Conic sections/07 - Conics in the IIT JEE - 05 - IIT JEE circle hyperbola common tangent part 4.webm 9.42MB
  4009. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 26 - IIT JEE circle hyperbola common tangent part 4.webm 9.42MB
  4010. Science/06 - Health and medicine - 06 - Respiratory system diseases/13 - Laryngeal conditions - 04 - What is laryngitis _.webm 9.41MB
  4011. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 04 - What is laryngitis _.webm 9.41MB
  4012. Science/03 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 06 - Plotting data for a second-order reaction.webm 9.41MB
  4013. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 09 - Plotting data for a second-order reaction.webm 9.41MB
  4014. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/03 - Daedalic and Archaic - 03 - Anavysos Kouros.webm 9.41MB
  4015. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 03 - Anavysos Kouros.webm 9.41MB
  4016. Math/21 - Differential equations - 02 - Second order linear equations/02 - Complex and repeated roots of characteristic equation - 01 - Complex roots of the characteristic equations 1.webm 9.41MB
  4017. Math/16 - Probability and statistics - 07 - Inferential statistics/02 - Sampling distribution - 01 - Central limit theorem.webm 9.41MB
  4018. Test prep/02 - MCAT - 01 - Biomolecules/13 - Carbohydrate Metabolism - 03 - Gluconeogenesis_ the big picture.webm 9.41MB
  4019. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/01 - Random variables and probability distributions - 04 - Probability density functions.webm 9.41MB
  4020. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/11 - Dave Smith - CEO and Founder of TekScape IT - 03 - Shifting from Loyalty to Accountability.webm 9.41MB
  4021. Math/23 - Recreational math - 01 - Doodling in Math and more/01 - Spirals, Fibonacci and being a plant - 04 - Open letter to Nickelodeon, re_ SpongeBob's pineapple under the sea.webm 9.40MB
  4022. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/05 - Continuous compounding and e - 05 - Compound interest and e (part 3).webm 9.40MB
  4023. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/11 - Changing the PV loop - 08 - Arterial elastance (Ea) and preload.webm 9.39MB
  4024. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 06 - SN1 and SN2 reactions of alcohols.webm 9.39MB
  4025. Test prep/02 - MCAT - 05 - Chemical processes/13 - Alcohols and phenols - 07 - SN1 and SN2 reactions of alcohols.webm 9.39MB
  4026. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/01 - Introduction to aldehydes and ketones - 05 - Reactivity of aldehydes and ketones.webm 9.39MB
  4027. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 03 - Reactivity of aldehydes and ketones.webm 9.39MB
  4028. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 12 - CA Geometry_ Exterior angles.webm 9.39MB
  4029. Economics and finance/03 - Finance and capital markets - 02 - Housing/02 - Renting vs. buying a home - 02 - Renting vs. buying a home.webm 9.38MB
  4030. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/07 - Antwerp and Bruges - 01 - David, the Virgin and Child with Saints and Donor.webm 9.38MB
  4031. Math/03 - 4th grade (U.S.) - 06 - Factors, multiples and patterns/01 - Prime and composite numbers - 01 - Prime numbers.webm 9.38MB
  4032. Math/09 - Pre-algebra - 02 - Factors and multiples/03 - Prime numbers - 01 - Prime numbers.webm 9.38MB
  4033. Partner content/07 - Exploratorium - 03 - Electromagnetism/02 - Turning Light into Sound - 03 - Build the transmitter.webm 9.38MB
  4034. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 02 - Oxidation state trends in periodic table.webm 9.38MB
  4035. Test prep/02 - MCAT - 04 - Physical processes/02 - Speed and velocity - 04 - Instantaneous speed and velocity.webm 9.38MB
  4036. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/02 - Blood pressure control - 02 - Parts of a nephron.webm 9.37MB
  4037. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 10 - Ethics_ Utilitarianism Part 1.webm 9.37MB
  4038. Arts and humanities/09 - Becoming modern - 02 - Romanticism/03 - Spain - 02 - Goya, Saturn Devouring His Son.webm 9.37MB
  4039. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/04 - Geithner plan - 06 - Geithner plan 6_ A better solution.webm 9.37MB
  4040. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/02 - Seismic waves and how we know earth's structure - 01 - Seismic waves.webm 9.37MB
  4041. Math/23 - Recreational math - 03 - Math warmups/02 - Random sampling warmup - 01 - Introduction to random sampling.webm 9.37MB
  4042. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/05 - Investment and consumption - 04 - Investment vs. consumption 1.webm 9.37MB
  4043. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 12 - 2011 Calculus BC free response #3 (b and c).webm 9.37MB
  4044. Arts and humanities/05 - Ancient art and civilizations - 09 - Asia/04 - Afghanistan - 02 - Crossroads of the Ancient World.webm 9.37MB
  4045. Partner content/03 - The British Museum - 03 - Asia/04 - Afghanistan - 01 - Crossroads of the Ancient World.webm 9.37MB
  4046. Math/13 - Geometry - 06 - Perimeter, area, and volume/03 - Koch snowflake fractal - 01 - Koch snowflake fractal.webm 9.36MB
  4047. Math/19 - Integral calculus - 03 - Integration applications/07 - Solid of revolution volume - 01 - Disc method_ Function rotated about x-axis.webm 9.36MB
  4048. Math/08 - Arithmetic - 02 - Multiplication and division/07 - Lattice multiplication - 02 - Why lattice multiplication works.webm 9.36MB
  4049. Science/02 - Physics - 09 - Fluids/01 - Fluids - 03 - Fluids (part 3).webm 9.36MB
  4050. Test prep/02 - MCAT - 04 - Physical processes/09 - Fluids at rest - 03 - Fluids (part 3).webm 9.36MB
  4051. Math/21 - Differential equations - 01 - First order differential equations/01 - Intro to differential equations - 05 - Differential equation from slope field.webm 9.36MB
  4052. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 08 - Beta-lactam antibiotics.webm 9.35MB
  4053. Test prep/02 - MCAT - 05 - Chemical processes/15 - Carboxylic acid derivatives - 08 - Beta-lactam antibiotics.webm 9.35MB
  4054. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/01 - Mutual funds and ETFs - 06 - Ponzi schemes.webm 9.35MB
  4055. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 12 - 2011 Calculus AB free response #5c..webm 9.35MB
  4056. Partner content/16 - The Brookings Institution - 01 - Introduction to health care in the U.S./01 - Introduction to health care in the U.S. - 04 - The U.S. uninsured population.webm 9.35MB
  4057. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 20 - Magnetism 5.webm 9.35MB
  4058. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 07 - Formation of oximes and hydrazones.webm 9.34MB
  4059. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 10 - Formation of oximes and hydrazones.webm 9.34MB
  4060. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 06 - Deficit and debt ceiling.webm 9.34MB
  4061. Math/11 - Algebra I - 05 - Systems of equations and inequalities/08 - Systems of inequalities - 05 - System of inequalities application.webm 9.34MB
  4062. Math/23 - Recreational math - 02 - Puzzles/01 - Brain teasers - 06 - Blue forehead room solution.webm 9.34MB
  4063. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/01 - Economic profit and opportunity cost - 02 - Depreciation and opportunity cost of capital.webm 9.34MB
  4064. Math/15 - Trigonometry - 01 - Basic trigonometry/03 - Trig ratio application problems - 03 - Figuring out coordinate of bended figure using trig.webm 9.34MB
  4065. Science/02 - Physics - 03 - Forces and Newton's laws of motion/06 - Tension - 02 - Introduction to tension (part 2).webm 9.33MB
  4066. Test prep/02 - MCAT - 04 - Physical processes/05 - Force of tension - 02 - Introduction to tension (part 2).webm 9.33MB
  4067. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/01 - Addition reactions of conjugated dienes - 02 - Addition reaction of conjugated dienes II_ Example.webm 9.33MB
  4068. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 01 - Introduction to proton NMR.webm 9.33MB
  4069. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 01 - Introduction to proton NMR.webm 9.33MB
  4070. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 07 - 2003 AIME II problem 5.webm 9.33MB
  4071. Math/11 - Algebra I - 01 - Introduction to algebra/01 - Overview and history of algebra - 02 - Abstract-ness.webm 9.33MB
  4072. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/02 - Sculpture and architecture in Florence - 05 - Brunelleschi, Pazzi Chapel.webm 9.33MB
  4073. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./03 - Renaissance Art in Europe - 02 - Brunelleschi, Pazzi Chapel.webm 9.33MB
  4074. Partner content/13 - Wi-Phi (Wireless Philosophy) - 04 - History of philosophy/01 - History of philosophy - 12 - Hume_ Skepticism and Induction Part 1.webm 9.33MB
  4075. Science/02 - Physics - 03 - Forces and Newton's laws of motion/06 - Tension - 03 - Tension in an accelerating system and pie in the face.webm 9.32MB
  4076. Test prep/02 - MCAT - 04 - Physical processes/05 - Force of tension - 03 - Tension in an accelerating system and pie in the face.webm 9.32MB
  4077. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/05 - Investment and consumption - 06 - Wealth destruction 1.webm 9.32MB
  4078. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 11 - Wealth destruction 1.webm 9.32MB
  4079. Science/02 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 04 - Newton's second law of motion.webm 9.32MB
  4080. Test prep/02 - MCAT - 04 - Physical processes/04 - Newton's laws and equilibrium - 03 - Newton's second law of motion.webm 9.32MB
  4081. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 09 - Hypovolemic shock.webm 9.32MB
  4082. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 09 - Hypovolemic shock.webm 9.32MB
  4083. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/03 - The Constitution of the United States - 08 - The Constitution and the Bill of Rights_ Amendments 1-3.webm 9.32MB
  4084. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 03 - Sample variance.webm 9.32MB
  4085. Math/22 - Linear algebra - 02 - Matrix transformations/03 - Transformations and matrix multiplication - 05 - Distributive property of matrix products.webm 9.32MB
  4086. Partner content/09 - Asian Art Museum - 07 - Japan/01 - Japan - 03 - Standing Brahma and standing Indra.webm 9.32MB
  4087. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 12 - Christus, Portrait of a Carthusian.webm 9.32MB
  4088. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 33 - GMAT_ Data sufficiency 32.webm 9.32MB
  4089. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/02 - GDP and the circular flow of income and expenditures - 01 - Circular flow of income and expenditures.webm 9.32MB
  4090. Science/03 - Chemistry - 01 - Atoms, molecules, and ions/01 - Introduction to the atom - 05 - Atomic mass.webm 9.31MB
  4091. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 02 - Atomic mass.webm 9.31MB
  4092. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 27 - GMAT_ Math 27.webm 9.31MB
  4093. Math/10 - Algebra basics - 08 - Equations and geometry/02 - Triangle similarity - 03 - Similar triangle example problems.webm 9.31MB
  4094. Math/13 - Geometry - 04 - Similarity/02 - Triangle similarity - 03 - Similar triangle example problems.webm 9.31MB
  4095. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/06 - Recognizing functions - 10 - Functions as graphs.webm 9.31MB
  4096. Math/11 - Algebra I - 09 - Functions/02 - Recognizing functions - 03 - Functions as graphs.webm 9.31MB
  4097. Math/14 - Algebra II - 02 - Functions and their graphs/04 - Recognizing functions - 03 - Functions as graphs.webm 9.31MB
  4098. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 02 - Barnett Newman.webm 9.31MB
  4099. Partner content/04 - The Museum of Modern Art - 04 - Abstract Expressionism/01 - Abstract Expressionism - 08 - Barnett Newman.webm 9.31MB
  4100. Test prep/02 - MCAT - 01 - Biomolecules/11 - Overview of metabolism - 01 - Overview of metabolism_ Anabolism and catabolism.webm 9.31MB
  4101. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 12 - GMAT_ Data sufficiency 12.webm 9.31MB
  4102. Math/20 - Multivariable calculus - 05 - Divergence theorem/03 - Divergence theorem proof - 04 - Divergence theorem proof (part 4).webm 9.31MB
  4103. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 12 - Thermoregulation by muscles.webm 9.30MB
  4104. Science/06 - Health and medicine - 02 - Human anatomy and physiology/10 - Integumentary system introduction - 11 - Thermoregulation by muscles.webm 9.30MB
  4105. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 12 - Thermoregulation by muscles.webm 9.30MB
  4106. Test prep/02 - MCAT - 03 - Organ systems/17 - Integumentary system - 11 - Thermoregulation by muscles.webm 9.30MB
  4107. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 12 - Thermoregulation by muscles.webm 9.30MB
  4108. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/03 - Flux in 3D and constructing unit normal vectors to surface - 03 - Vector representation of a surface integral.webm 9.30MB
  4109. Science/07 - Discoveries and projects - 03 - Robots/03 - Spout Bot without Solder - 10 - Add Spout's tail.webm 9.30MB
  4110. Math/11 - Algebra I - 02 - Linear equations/10 - Absolute value equations - 01 - Absolute value equations.webm 9.30MB
  4111. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/01 - Alcohol nomenclature and properties - 04 - Alcohol nomenclature.webm 9.30MB
  4112. Science/02 - Physics - 09 - Fluids/01 - Fluids - 07 - Fluids (part 7).webm 9.30MB
  4113. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 01 - Fluids (part 7).webm 9.30MB
  4114. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 01 - Hydrogenation.webm 9.30MB
  4115. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/04 - Philip Rosedale - Founder and Chairman of Second Life - 03 - Philip Rosedale - Evolving ideas vs. new ideas.webm 9.30MB
  4116. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 02 - Claus Sluter and Claus de Werve, Mourners, from the Tomb of Philip the Bold.webm 9.30MB
  4117. Test prep/02 - MCAT - 02 - Cells/06 - Prokaryotes_bacteria - 02 - Bacterial characteristics - Gram staining.webm 9.30MB
  4118. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 15 - GMAT_ Math 15.webm 9.29MB
  4119. Arts and humanities/08 - Monarchy and enlightenment - 02 - Rococo/01 - Rococo - 04 - Construction of an 18th-century French mechanical table.webm 9.29MB
  4120. Partner content/05 - The J. Paul Getty Museum - 06 - Decorative arts/01 - Decorative arts - 02 - Construction of an 18th-century French mechanical table.webm 9.29MB
  4121. Partner content/05 - The J. Paul Getty Museum - 06 - Decorative arts/01 - Decorative arts - 03 - Construction of an 18th-century French mechanical table.webm 9.29MB
  4122. Math/16 - Probability and statistics - 02 - Probability and combinatorics/01 - Permutations - 01 - Factorial and counting seat arrangements.webm 9.29MB
  4123. Math/17 - Precalculus - 05 - Probability and combinatorics/05 - Permutations - 01 - Factorial and counting seat arrangements.webm 9.29MB
  4124. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 12 - Caravaggio, Contarelli Chapel, San Luigi dei Francesi.webm 9.28MB
  4125. Math/13 - Geometry - 04 - Similarity/03 - Solving problems with similar and congruent triangles - 05 - Challenging similarity problem.webm 9.28MB
  4126. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/13 - Jason Christiansen - President and CEO of Rigid Industries - 03 - Baseball is Just a Game.webm 9.28MB
  4127. Math/21 - Differential equations - 01 - First order differential equations/06 - Exact equations and integrating factors - 01 - Exact equations intuition 1 (proofy).webm 9.28MB
  4128. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 09 - Multiplicity_ n _ 1 rule.webm 9.28MB
  4129. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 09 - Multiplicity_ n _ 1 rule.webm 9.28MB
  4130. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 15 - Bailout 15_ More on the solution.webm 9.28MB
  4131. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 16 - Bailout 15_ More on the solution.webm 9.28MB
  4132. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 12 - Projectile motion with ordered set notation.webm 9.28MB
  4133. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 18 - 2003 AIME II problem 12.webm 9.28MB
  4134. Math/13 - Geometry - 04 - Similarity/03 - Solving problems with similar and congruent triangles - 02 - Golden ratio and Rembrandt's self portrait.webm 9.27MB
  4135. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/05 - Thinking about solutions to systems - 01 - Inconsistent systems of equations.webm 9.27MB
  4136. Math/11 - Algebra I - 05 - Systems of equations and inequalities/04 - Thinking about solutions to systems - 01 - Inconsistent systems of equations.webm 9.27MB
  4137. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 10 - Inconsistent systems of equations.webm 9.27MB
  4138. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 18 - GMAT_ Data sufficiency 18.webm 9.27MB
  4139. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 05 - Proof_ Opposite sides of parallelogram congruent.webm 9.27MB
  4140. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/04 - Conformations of alkanes and cycloalkanes - 03 - Conformations of cyclohexane I_ Chair and boat.webm 9.26MB
  4141. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/02 - Comparing and sampling populations - 01 - Inferring population mean from sample mean.webm 9.26MB
  4142. Math/16 - Probability and statistics - 03 - Statistical studies/01 - Statistical questions - 02 - Inferring population mean from sample mean.webm 9.26MB
  4143. Math/16 - Probability and statistics - 04 - Descriptive statistics/01 - Measures of central tendency - 06 - Inferring population mean from sample mean.webm 9.26MB
  4144. Math/22 - Linear algebra - 02 - Matrix transformations/07 - Transpose of a matrix - 03 - Transpose of a matrix product.webm 9.26MB
  4145. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 10 - Oxidation of aldehydes using Tollens' reagent.webm 9.26MB
  4146. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 13 - Oxidation of aldehydes using Tollens' reagent.webm 9.26MB
  4147. Math/14 - Algebra II - 08 - Conic sections/06 - Conics from equations - 01 - Identifying an ellipse from equation.webm 9.26MB
  4148. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 21 - GMAT_ Math 21.webm 9.26MB
  4149. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 07 - Fundamentals_ Normative and descriptive claims.webm 9.26MB
  4150. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 08 - Protecting art in an earthquake_ seismic isolator technology.webm 9.26MB
  4151. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 03 - Thermodynamics (part 3).webm 9.25MB
  4152. Math/22 - Linear algebra - 02 - Matrix transformations/04 - Inverse functions and transformations - 03 - Surjective (onto) and injective (one-to-one) functions.webm 9.24MB
  4153. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 12 - IIT JEE hairy trig and algebra (part 2).webm 9.24MB
  4154. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/01 - Marginal propensity to consume (MPC) - 02 - Mathy version of MPC and multiplier (optional).webm 9.24MB
  4155. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/02 - Richard Branson - Chairman of the Virgin Group - 01 - Richard Branson - Chairman of the Virgin Group.webm 9.24MB
  4156. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 01 - Plate tectonics_ Difference between crust and lithosphere.webm 9.23MB
  4157. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 15 - GMAT_ Data sufficiency 15.webm 9.22MB
  4158. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/02 - Synthesis of alcohols - 02 - Preparation of alcohols using LiAlH4.webm 9.22MB
  4159. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/08 - Siena, the Late Gothic - 04 - Duccio, The Virgin and Child with Saints Dominic and Aurea.webm 9.22MB
  4160. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 06 - Optimal point on budget line.webm 9.21MB
  4161. Economics and finance/01 - Microeconomics - 07 - Game theory and Nash equilibrium/01 - Nash equilibrium - 01 - Prisoners' dilemma and Nash equilibrium.webm 9.21MB
  4162. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/02 - Interest basics - 01 - Introduction to interest.webm 9.21MB
  4163. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/05 - Continuous compounding and e - 01 - Introduction to interest.webm 9.21MB
  4164. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/01 - United States - 04 - Winsor, #1 Rope.webm 9.21MB
  4165. Math/21 - Differential equations - 01 - First order differential equations/06 - Exact equations and integrating factors - 05 - Exact equations example 3.webm 9.21MB
  4166. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 03 - Early train word problem.webm 9.20MB
  4167. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/03 - Elimination reactions - 02 - E1 reactions.webm 9.20MB
  4168. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 12 - Carolee Schneemann, 'Up to and Including Her Limits'.webm 9.20MB
  4169. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 09 - Michelangelo, Moses.webm 9.20MB
  4170. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/06 - Probability and compound events - 02 - Coin flipping probability.webm 9.20MB
  4171. Math/16 - Probability and statistics - 01 - Independent and dependent events/03 - Compound, independent events - 02 - Coin flipping probability.webm 9.20MB
  4172. Math/17 - Precalculus - 05 - Probability and combinatorics/03 - Compound, independent events - 04 - Coin flipping probability.webm 9.20MB
  4173. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/04 - Life in the universe - 04 - Detectable civilizations in our galaxy 4.webm 9.20MB
  4174. Math/20 - Multivariable calculus - 01 - Double and triple integrals/01 - Double integrals - 02 - Double integrals 2.webm 9.20MB
  4175. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 17 - Louis Raemaekers, 'Tegen de Tariefwet, Vliegt niet in't Web_'.webm 9.20MB
  4176. Math/07 - 8th grade (U.S.) - 05 - Geometry/05 - Pythagorean theorem proofs - 03 - Pythagorean theorem proof using similarity.webm 9.19MB
  4177. Math/12 - Basic geometry - 07 - The Pythagorean theorem/03 - Pythagorean theorem proofs - 03 - Pythagorean theorem proof using similarity.webm 9.19MB
  4178. Math/13 - Geometry - 05 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 03 - Pythagorean theorem proof using similarity.webm 9.19MB
  4179. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/10 - Sal's old Maclaurin and Taylor series tutorial - 04 - Polynomial approximation of functions (part 4).webm 9.19MB
  4180. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 10 - DLab_ Building a Rube Goldberg machine.webm 9.19MB
  4181. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 13 - 2011 Calculus BC free response #6a.webm 9.19MB
  4182. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 32 - GMAT_ Math 32.webm 9.19MB
  4183. Test prep/02 - MCAT - 05 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 01 - Saponification - Base promoted ester hydrolysis.webm 9.19MB
  4184. Science/07 - Discoveries and projects - 01 - Discoveries/02 - Discovery of magnetic fields - 04 - Magnetic permeability.webm 9.19MB
  4185. Partner content/02 - Tate - 01 - Meet 500 years of British art/03 - 19th century_ Romanticism and the Victorian Era - 04 - Room_ 1840-1890.webm 9.19MB
  4186. Math/21 - Differential equations - 01 - First order differential equations/02 - Separable equations - 01 - Separable differential equations introduction.webm 9.19MB
  4187. Math/11 - Algebra I - 08 - Exponent expressions and equations/04 - Simplifying radical expressions - 11 - How to rationalize a denominator.webm 9.18MB
  4188. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 24 - GMAT_ Math 24.webm 9.18MB
  4189. Science/04 - Organic chemistry - 09 - Aromatic compounds/06 - Other reactions and synthesis - 03 - Reactions at the benzylic position.webm 9.18MB
  4190. Partner content/01 - The Metropolitan Museum of Art - 02 - Extravagant Inventions/01 - Extravagant Inventions - 05 - Unfolding an 18th-century Game Table.webm 9.18MB
  4191. Math/07 - 8th grade (U.S.) - 05 - Geometry/04 - The Pythagorean theorem - 07 - Distance formula.webm 9.18MB
  4192. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 03 - Distance formula.webm 9.18MB
  4193. Math/12 - Basic geometry - 07 - The Pythagorean theorem/01 - The Pythagorean theorem - 06 - Distance formula.webm 9.18MB
  4194. Math/13 - Geometry - 11 - Analytic geometry/02 - Distances between points - 01 - Distance formula.webm 9.18MB
  4195. Test prep/02 - MCAT - 02 - Cells/06 - Prokaryotes_bacteria - 01 - Overview of Archaea, Protista, and Bacteria.webm 9.18MB
  4196. Math/07 - 8th grade (U.S.) - 02 - Solving equations/02 - Solving equations with distribution - 07 - Ex 3_ Distributive property to simplify.webm 9.17MB
  4197. Math/11 - Algebra I - 02 - Linear equations/11 - Simplifying complicated equations - 06 - Ex 3_ Distributive property to simplify.webm 9.17MB
  4198. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/04 - Nomenclature and properties of ethers - 02 - Ether nomenclature.webm 9.17MB
  4199. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/01 - System for solving the King's problems - 04 - King's cupcakes_ Solving systems by elimination.webm 9.17MB
  4200. Math/11 - Algebra I - 05 - Systems of equations and inequalities/01 - A system for solving the King's problems - 04 - King's cupcakes_ Solving systems by elimination.webm 9.17MB
  4201. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 04 - King's cupcakes_ Solving systems by elimination.webm 9.17MB
  4202. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/03 - 2008 bank bailout - 11 - Bailout 11_ Why these CDOs could be worth nothing.webm 9.17MB
  4203. Economics and finance/03 - Finance and capital markets - 10 - Current economics/04 - Paulson bailout - 12 - Bailout 11_ Why these CDOs could be worth nothing.webm 9.17MB
  4204. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 05 - Plate tectonics_ Geological features of convergent plate boundaries.webm 9.17MB
  4205. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 03 - Sn1 reaction_ Mechanism.webm 9.17MB
  4206. Math/10 - Algebra basics - 07 - Quadratics and polynomials/02 - Multiplying binomials - 05 - Special products of binomials.webm 9.17MB
  4207. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/02 - Multiplying binomials - 07 - Special products of binomials.webm 9.17MB
  4208. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 03 - Getting exactly two heads (combinatorics).webm 9.17MB
  4209. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 03 - Getting exactly two heads (combinatorics).webm 9.17MB
  4210. Science/06 - Health and medicine - 04 - Circulatory system diseases/09 - Acyanotic heart diseases - 02 - Acyanotic heart disease diagnosis.webm 9.16MB
  4211. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/03 - Acyanotic heart diseases - 02 - Acyanotic heart disease diagnosis.webm 9.16MB
  4212. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 05 - Doppler effect formula when source is moving away.webm 9.16MB
  4213. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 12 - Doppler effect formula when source is moving away.webm 9.16MB
  4214. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 09 - Globalization theories.webm 9.16MB
  4215. Arts and humanities/04 - Prehistoric art - 02 - Neolithic art/01 - Neolithic art - 02 - Stonehenge, Avebury and Associated Sites (UNESCO_NHK).webm 9.16MB
  4216. Test prep/07 - AP* Art History - 03 - Global prehistory_ 30,000-500 B.C.E./01 - Paleolithic, Mesolithic and Neolithic - 04 - Stonehenge, Avebury and Associated Sites (UNESCO_NHK).webm 9.16MB
  4217. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 03 - Biological redox reactions.webm 9.16MB
  4218. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/04 - Division - 05 - Dividing numbers_ long division with remainders.webm 9.15MB
  4219. Math/08 - Arithmetic - 02 - Multiplication and division/06 - Loooong division_ - 04 - Dividing numbers_ long division with remainders.webm 9.15MB
  4220. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 06 - First CheMin results.webm 9.15MB
  4221. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 03 - Speed of Sound.webm 9.14MB
  4222. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/06 - Estimating infinite series - 04 - Alternating series remainder.webm 9.14MB
  4223. Math/18 - Differential calculus - 03 - Derivative applications/08 - Related rates - 06 - Speed of shadow of diving bird.webm 9.13MB
  4224. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/01 - Alcohol nomenclature and properties - 05 - Physical properties of alcohols and preparation of alkoxides.webm 9.13MB
  4225. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 25 - GMAT_ Data sufficiency 24.webm 9.13MB
  4226. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 43 - GMAT_ Math 43.webm 9.13MB
  4227. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/05 - Big bang and expansion of the universe - 04 - Red shift.webm 9.13MB
  4228. Science/02 - Physics - 09 - Fluids/01 - Fluids - 08 - Fluids (part 8).webm 9.13MB
  4229. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 02 - Fluids (part 8).webm 9.13MB
  4230. Math/21 - Differential equations - 01 - First order differential equations/04 - Logistic differential equation and function - 01 - Modeling population as an exponential function.webm 9.12MB
  4231. Science/06 - Health and medicine - 04 - Circulatory system diseases/12 - Vasculitis - 09 - Wegener’s granulomatosis and microscopic polyangiitis.webm 9.12MB
  4232. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/05 - Vasculitis - 09 - Wegener’s granulomatosis and microscopic polyangiitis.webm 9.12MB
  4233. Math/10 - Algebra basics - 08 - Equations and geometry/02 - Triangle similarity - 01 - Similar triangle basics.webm 9.12MB
  4234. Math/13 - Geometry - 04 - Similarity/02 - Triangle similarity - 01 - Similar triangle basics.webm 9.12MB
  4235. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 02 - Minimum wage and price floors.webm 9.12MB
  4236. Partner content/16 - The Brookings Institution - 01 - Introduction to health care in the U.S./01 - Introduction to health care in the U.S. - 09 - Private health insurance.webm 9.12MB
  4237. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 14 - Veronese, the Dream of Saint Helena.webm 9.12MB
  4238. Science/04 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 03 - Aromatic stability III.webm 9.12MB
  4239. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/03 - Mortgage-backed securities - 03 - Mortgage-backed securities II.webm 9.12MB
  4240. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 06 - Mortgage-backed securities II.webm 9.12MB
  4241. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 06 - Surface integral example part 1_ Parameterizing the unit sphere.webm 9.11MB
  4242. Test prep/02 - MCAT - 04 - Physical processes/16 - Magnetism - 01 - Magnetism - Part 1.webm 9.11MB
  4243. Computing/02 - Computer science - 03 - Journey into information theory/02 - Modern information theory - 07 - Compression codes.webm 9.11MB
  4244. Test prep/02 - MCAT - 01 - Biomolecules/01 - Amino acids and proteins - 08 - Four levels of protein structure.webm 9.11MB
  4245. Test prep/02 - MCAT - 05 - Chemical processes/09 - Proteins - 05 - Four levels of protein structure.webm 9.11MB
  4246. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 03 - CA Geometry_ Deductive reasoning.webm 9.11MB
  4247. Math/20 - Multivariable calculus - 02 - Partial derivatives, gradient, divergence, curl/03 - Divergence - 02 - Divergence 2.webm 9.11MB
  4248. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/02 - Diels-Alder reaction - 06 - Diels-Alder VI_ More regiochemistry.webm 9.11MB
  4249. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 15 - Ludwig Hohlwein, 'Kaffee Hag'.webm 9.11MB
  4250. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 08 - GMAT_ Math 8.webm 9.11MB
  4251. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 06 - Juan Downey_ Plato Now.webm 9.10MB
  4252. Partner content/02 - Tate - 04 - Performance and participation/03 - Participation - 03 - Juan Downey_ Plato Now.webm 9.10MB
  4253. Partner content/14 - MIT_K12 - 01 - Physics/01 - Physics - 02 - Newton's Prism Experiment.webm 9.10MB
  4254. Science/06 - Health and medicine - 01 - Current events in health and medicine/02 - Ebola outbreak - 02 - Understanding R nought.webm 9.10MB
  4255. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 17 - GMAT_ Math 17.webm 9.10MB
  4256. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/05 - Continuous compounding and e - 03 - Introduction to compound interest and e.webm 9.10MB
  4257. Science/06 - Health and medicine - 04 - Circulatory system diseases/12 - Vasculitis - 01 - What is vasculitis_.webm 9.09MB
  4258. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/05 - Vasculitis - 01 - What is vasculitis_.webm 9.09MB
  4259. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 23 - 2003 AIME II problem 15 (part 3).webm 9.09MB
  4260. Science/02 - Physics - 04 - Work and energy/01 - Work and energy - 03 - Conservation of energy.webm 9.09MB
  4261. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 05 - Conservation of energy.webm 9.09MB
  4262. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 05 - Indifference curves and marginal rate of substitution.webm 9.09MB
  4263. Test prep/02 - MCAT - 07 - Behavior/09 - Normative and non-normative behavior - 01 - What is normal_ Exploring folkways, mores, and taboos.webm 9.09MB
  4264. Math/13 - Geometry - 08 - Special properties and parts of triangles/04 - Altitudes - 01 - Proof_ Triangle altitudes are concurrent (orthocenter).webm 9.09MB
  4265. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/02 - How the Constitution deals with civil liberties and privacy in an age of technological change - 01 - How the Constitution deals with civil liberties and privacy in an age of technological change.webm 9.08MB
  4266. Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 08 - Elasticity of supply.webm 9.08MB
  4267. Science/06 - Health and medicine - 06 - Respiratory system diseases/10 - Lung cancer - 04 - Lung cancer complications.webm 9.08MB
  4268. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 04 - Lung cancer complications.webm 9.08MB
  4269. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 03 - Are southern hemisphere seasons more severe_.webm 9.08MB
  4270. Science/06 - Health and medicine - 06 - Respiratory system diseases/14 - Bronchiolitis - 02 - Bronchiolitis pathophysiology.webm 9.08MB
  4271. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/06 - Bronchiolitis - 02 - Bronchiolitis pathophysiology.webm 9.08MB
  4272. Test prep/02 - MCAT - 07 - Behavior/06 - Motivation and attitudes - 05 - Biological and Sociocultural Factors Food, Sex, and Drugs.webm 9.08MB
  4273. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 03 - Introduction to the yield curve.webm 9.07MB
  4274. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 10 - 'Predestined' with Barbara Drake Boehm.webm 9.07MB
  4275. Math/21 - Differential equations - 02 - Second order linear equations/03 - Method of undetermined coefficients - 01 - Undetermined coefficients 1.webm 9.07MB
  4276. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 02 - Thermodynamics (part 2).webm 9.07MB
  4277. Math/18 - Differential calculus - 03 - Derivative applications/02 - Motion along a line - 01 - Total distance traveled by a particle.webm 9.07MB
  4278. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/01 - Beginning of World War I - 06 - The Great War begins.webm 9.06MB
  4279. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 02 - IIT JEE perpendicular planes (part 1).webm 9.06MB
  4280. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/01 - Orthogonal complements - 02 - dim(v) _ dim(orthogonal complement of v) _ n.webm 9.06MB
  4281. Partner content/16 - The Brookings Institution - 01 - Introduction to health care in the U.S./01 - Introduction to health care in the U.S. - 07 - Understanding your medical bill.webm 9.06MB
  4282. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 29 - GMAT_ Math 29.webm 9.06MB
  4283. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 35 - GMAT_ Math 35.webm 9.05MB
  4284. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/04 - Life in the universe - 05 - Detectable civilizations in our galaxy 5.webm 9.05MB
  4285. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 01 - Vector dot product and vector length.webm 9.05MB
  4286. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 15 - 2003 AIME II problem 9.webm 9.05MB
  4287. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/01 - Fauvism and Matisse - 02 - Matisse, The Red Studio.webm 9.05MB
  4288. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 12 - Snell's law example 1.webm 9.05MB
  4289. Test prep/02 - MCAT - 04 - Physical processes/24 - Reflection and refraction - 05 - Snell's law example 1.webm 9.05MB
  4290. Science/03 - Chemistry - 03 - Electronic structure of atoms/01 - Bohr's model of the hydrogen atom - 05 - Bohr model energy levels.webm 9.04MB
  4291. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 05 - Bohr model energy levels.webm 9.04MB
  4292. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 09 - Regression line example.webm 9.04MB
  4293. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/01 - Introduction to aldehydes and ketones - 04 - Physical properties of aldehydes and ketones.webm 9.04MB
  4294. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 02 - Physical properties of aldehydes and ketones.webm 9.04MB
  4295. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/03 - Napoleon Bonaparte - 08 - Hundred days and Waterloo.webm 9.04MB
  4296. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/04 - Printmaking - 06 - Introduction to lithography.webm 9.04MB
  4297. Partner content/04 - The Museum of Modern Art - 01 - Printmaking/01 - Printmaking - 06 - Introduction to lithography.webm 9.04MB
  4298. Science/06 - Health and medicine - 02 - Human anatomy and physiology/10 - Integumentary system introduction - 05 - What's in sweat_ (Holocrine, Apocrine, Merocrine Glands).webm 9.04MB
  4299. Test prep/02 - MCAT - 03 - Organ systems/17 - Integumentary system - 05 - What's in sweat_ (Holocrine, Apocrine, Merocrine Glands).webm 9.04MB
  4300. Science/06 - Health and medicine - 06 - Respiratory system diseases/05 - Cystic fibrosis - 01 - What is cystic fibrosis_.webm 9.04MB
  4301. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/05 - Cystic fibrosis - 01 - What is cystic fibrosis_.webm 9.04MB
  4302. Science/03 - Chemistry - 01 - Atoms, molecules, and ions/01 - Introduction to the atom - 04 - Atomic weight and atomic mass.webm 9.03MB
  4303. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/08 - Nerve regulation of the heart - 05 - Getting a new heart.webm 9.03MB
  4304. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 06 - Hunt, Claudio and Isabella.webm 9.03MB
  4305. Math/21 - Differential equations - 03 - Laplace transform/02 - Properties of the Laplace transform - 04 - Laplace transform of t_ L{t}.webm 9.03MB
  4306. Math/21 - Differential equations - 01 - First order differential equations/06 - Exact equations and integrating factors - 06 - Integrating factors 1.webm 9.03MB
  4307. Test prep/02 - MCAT - 01 - Biomolecules/10 - Principles of bioenergetics - 01 - Gibbs free energy introduction.webm 9.03MB
  4308. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 09 - Interpreting the PPD.webm 9.02MB
  4309. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 09 - Interpreting the PPD.webm 9.02MB
  4310. Science/03 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 05 - Weak acid equilibrium.webm 9.02MB
  4311. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 06 - Weak acid equilibrium.webm 9.02MB
  4312. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 05 - Weak acid equilibrium.webm 9.02MB
  4313. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 05 - GMAT_ Math 5.webm 9.01MB
  4314. Arts and humanities/09 - Becoming modern - 07 - America_ Civil War to the Gilded Age/01 - America_ Civil War to the Gilded Age - 02 - Homer, The Fog Warning (Halibut Fishing).webm 9.01MB
  4315. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/07 - Sn1_Sn2_E1_E2 - 03 - Sn1 Sn2 E1 E2 reactions_ Secondary alkyl halides.webm 9.01MB
  4316. Math/14 - Algebra II - 06 - Logarithms/04 - Logarithmic scale and patterns - 02 - Vi and Sal talk about the mysteries of Benford's law.webm 9.01MB
  4317. Science/04 - Organic chemistry - 14 - Spectroscopy/02 - UV_Vis Spectroscopy - 03 - Conjugation and color.webm 9.00MB
  4318. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 12 - Conjugation and color.webm 9.00MB
  4319. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/01 - George Washington - 01 - The founding fathers of the United States of America_ An overview.webm 9.00MB
  4320. Math/11 - Algebra I - 05 - Systems of equations and inequalities/09 - Systems with three variables - 05 - Three equation application problem.webm 9.00MB
  4321. Math/14 - Algebra II - 01 - Systems of equations and inequalities/03 - Systems with three variables - 05 - Three equation application problem.webm 9.00MB
  4322. Test prep/02 - MCAT - 04 - Physical processes/13 - Electrostatics - 03 - Conservation of Charge.webm 9.00MB
  4323. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 10 - Surface integral ex2 part 2_ Evaluating integral.webm 9.00MB
  4324. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/04 - Electrolytic cells and batteries - 01 - Introduction to electrolysis.webm 9.00MB
  4325. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 15 - Introduction to electrolysis.webm 9.00MB
  4326. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/01 - Rational and irrational numbers - 06 - Converting repeating decimals to fractions 2.webm 9.00MB
  4327. Math/11 - Algebra I - 02 - Linear equations/08 - Converting repeating decimals to fractions - 02 - Converting repeating decimals to fractions 2.webm 9.00MB
  4328. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 10 - Medicare sustainability.webm 8.99MB
  4329. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/07 - Graphing linear equations in slope-intercept form - 03 - Fitting a line to data.webm 8.99MB
  4330. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 02 - Fitting a line to data.webm 8.99MB
  4331. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/02 - Diels-Alder reaction - 03 - Diels-Alder III_ Stereochemistry of dienophile.webm 8.99MB
  4332. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/02 - Diels-Alder reaction - 01 - Diels-Alder I_ Mechanism.webm 8.99MB
  4333. Math/21 - Differential equations - 03 - Laplace transform/02 - Properties of the Laplace transform - 02 - Laplace transform of cos t and polynomials.webm 8.99MB
  4334. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/06 - Linear inequalities - 01 - Multiplying and dividing with inequalities.webm 8.99MB
  4335. Math/10 - Algebra basics - 03 - Linear equations and inequalities/04 - Linear inequalities - 01 - Multiplying and dividing with inequalities.webm 8.99MB
  4336. Math/11 - Algebra I - 03 - Linear inequalities/01 - Thinking algebraically about inequalities - 01 - Multiplying and dividing with inequalities.webm 8.99MB
  4337. Science/03 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 08 - Second-order reaction example.webm 8.99MB
  4338. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 11 - Second-order reaction example.webm 8.99MB
  4339. Science/06 - Health and medicine - 01 - Current events in health and medicine/02 - Ebola outbreak - 03 - R nought and vaccine coverage.webm 8.99MB
  4340. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/01 - A beginner's guide to ancient Rome - 02 - Digging through time.webm 8.98MB
  4341. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./05 - Ancient Rome - 02 - Digging through time.webm 8.98MB
  4342. Arts and humanities/05 - Ancient art and civilizations - 02 - Egyptian art and culture/03 - New Kingdom - 01 - Ancient Thebes with its Necropolis (UNESCO_TBS).webm 8.98MB
  4343. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./02 - Ancient Egypt - 03 - Ancient Thebes with its Necropolis (UNESCO_TBS).webm 8.98MB
  4344. Science/02 - Physics - 03 - Forces and Newton's laws of motion/06 - Tension - 01 - Introduction to tension.webm 8.98MB
  4345. Test prep/02 - MCAT - 04 - Physical processes/05 - Force of tension - 01 - Introduction to tension.webm 8.98MB
  4346. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 08 - Jan van Eyck, Portrait of a Man in a Red Turban (Self-Portrait_), 1433.webm 8.97MB
  4347. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/03 - Solubility equilibria - 04 - Solubility from the solubility product constant.webm 8.97MB
  4348. Test prep/02 - MCAT - 05 - Chemical processes/03 - Solubility equilibria - 04 - Solubility from the solubility product constant.webm 8.97MB
  4349. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 10 - Second regression example.webm 8.97MB
  4350. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/14 - Linda Jeschofnig - Co-founder of Hands-On Labs - 01 - Creating a Poof and Not a Giant Kaboom.webm 8.96MB
  4351. Economics and finance/03 - Finance and capital markets - 02 - Housing/04 - Home buying process - 01 - Titles and deeds in real estate.webm 8.96MB
  4352. Science/06 - Health and medicine - 06 - Respiratory system diseases/08 - Pneumonia - 04 - Pneumonia vs. pneumonitis.webm 8.96MB
  4353. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/08 - Pneumonia - 05 - Pneumonia vs. pneumonitis.webm 8.96MB
  4354. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/04 - Dinosaur fossils - 02 - How do we know where to look for dinosaur fossils_.webm 8.96MB
  4355. Partner content/06 - California Academy of Sciences - 03 - Where is biodiversity found_/01 - Biodiversity Hotspots - 03 - Biodiversity hotspot case study_ Galapagos.webm 8.96MB
  4356. Arts and humanities/09 - Becoming modern - 02 - Romanticism/06 - United States - 02 - Cole, Expulsion from the Garden of Eden.webm 8.96MB
  4357. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 37 - GMAT_ Math 37.webm 8.95MB
  4358. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/04 - Philip Rosedale - Founder and Chairman of Second Life - 02 - Philip Rosedale - Founder and Chairman of Second Life.webm 8.95MB
  4359. Science/07 - Discoveries and projects - 04 - Lego robotics/01 - Introduction - 01 - Anything is possible_.webm 8.95MB
  4360. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/07 - Florence, the Late Gothic - 04 - Giotto, St. Francis Receiving the Stigmata.webm 8.95MB
  4361. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/02 - Evaluating numerical expressions - 01 - Introduction to order of operations.webm 8.94MB
  4362. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/01 - Order of operations - 01 - Introduction to order of operations.webm 8.94MB
  4363. Math/09 - Pre-algebra - 08 - Arithmetic properties/07 - Order of operations - 01 - Introduction to order of operations.webm 8.94MB
  4364. Math/10 - Algebra basics - 01 - Foundations/05 - Order of operations - 01 - Introduction to order of operations.webm 8.94MB
  4365. Science/04 - Organic chemistry - 09 - Aromatic compounds/07 - Nucleophilic aromatic substitution - 01 - Nucleophilic aromatic substitution I.webm 8.94MB
  4366. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 06 - Motor neurons.webm 8.94MB
  4367. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 06 - Motor neurons.webm 8.94MB
  4368. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 06 - Motor neurons.webm 8.94MB
  4369. Math/14 - Algebra II - 06 - Logarithms/03 - Natural logarithms - 03 - Graphing natural logarithm function.webm 8.93MB
  4370. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/01 - System for solving the King's problems - 05 - How many bags of potato chips do people eat_.webm 8.93MB
  4371. Math/11 - Algebra I - 05 - Systems of equations and inequalities/01 - A system for solving the King's problems - 05 - How many bags of potato chips do people eat_.webm 8.93MB
  4372. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 06 - How many bags of potato chips do people eat_.webm 8.93MB
  4373. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 12 - Pension obligations.webm 8.93MB
  4374. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 03 - The Painting Techniques of Barnett Newman.webm 8.93MB
  4375. Partner content/04 - The Museum of Modern Art - 04 - Abstract Expressionism/01 - Abstract Expressionism - 09 - The Painting Techniques of Barnett Newman.webm 8.93MB
  4376. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/06 - Probability and compound events - 06 - Probability without equally likely events.webm 8.93MB
  4377. Math/16 - Probability and statistics - 01 - Independent and dependent events/03 - Compound, independent events - 06 - Probability without equally likely events.webm 8.93MB
  4378. Math/17 - Precalculus - 05 - Probability and combinatorics/03 - Compound, independent events - 08 - Probability without equally likely events.webm 8.93MB
  4379. Arts and humanities/02 - Music - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 01 - Lesson 1_ Note values, duration, and time signatures.webm 8.93MB
  4380. Partner content/10 - All-Star Orchestra - 01 - Music basics_ Notes and rhythm/01 - Music basics_ Notes and rhythm - 01 - Lesson 1_ Note values, duration, and time signatures.webm 8.93MB
  4381. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 03 - GMAT_ Math 3.webm 8.93MB
  4382. Test prep/02 - MCAT - 01 - Biomolecules/15 - Fat and protein metabolism - 07 - Fatty Acid Oxidation - Part I.webm 8.93MB
  4383. Test prep/02 - MCAT - 01 - Biomolecules/14 - Krebs (citric acid) cycle and oxidative phosphorylation - 06 - Regulation of oxidative phosphorylation.webm 8.92MB
  4384. Partner content/02 - Tate - 04 - Performance and participation/02 - Collaboration - 02 - Harrison and Wood.webm 8.92MB
  4385. Science/03 - Chemistry - 05 - Chemical bonds/02 - Dot structures - 04 - VSEPR for 2 electron clouds.webm 8.92MB
  4386. Test prep/02 - MCAT - 05 - Chemical processes/04 - Dot structures - 04 - VSEPR for 2 electron clouds.webm 8.92MB
  4387. Economics and finance/01 - Microeconomics - 06 - Forms of competition/03 - Between perfect competition and monopoly - 02 - Monopolistic competition and economic profit.webm 8.91MB
  4388. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/02 - Shorting stock - 02 - Shorting stock.webm 8.91MB
  4389. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 11 - IIT JEE hairy trig and algebra (part 1).webm 8.91MB
  4390. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/05 - Eigen-everything - 02 - Proof of formula for determining eigenvalues.webm 8.91MB
  4391. Math/22 - Linear algebra - 02 - Matrix transformations/06 - More determinant depth - 07 - Simpler 4x4 determinant.webm 8.90MB
  4392. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 02 - TB epidemiology.webm 8.90MB
  4393. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 02 - TB epidemiology.webm 8.90MB
  4394. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 09 - GMAT_ Data sufficiency 9.webm 8.90MB
  4395. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 02 - Bit-zeeeeeeeeeee (long version).webm 8.90MB
  4396. Science/02 - Physics - 08 - Oscillatory motion/01 - Harmonic motion - 01 - Introduction to harmonic motion.webm 8.90MB
  4397. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 16 - Introduction to magnetism.webm 8.90MB
  4398. Test prep/02 - MCAT - 02 - Cells/07 - Viruses - 03 - Retroviruses.webm 8.89MB
  4399. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 05 - DLab_ Magician's guess simulation.webm 8.89MB
  4400. Math/13 - Geometry - 02 - Angles and intersecting lines/03 - Angles with triangles and polygons - 08 - Sum of interior angles of a polygon.webm 8.89MB
  4401. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 10 - GMAT_ Math 10.webm 8.89MB
  4402. Science/06 - Health and medicine - 04 - Circulatory system diseases/05 - Myocarditis and pericarditis - 02 - Causes of myocarditis.webm 8.89MB
  4403. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 02 - Causes of myocarditis.webm 8.89MB
  4404. Science/02 - Physics - 04 - Work and energy/02 - Mechanical advantage - 03 - Mechanical advantage (part 3).webm 8.88MB
  4405. Science/06 - Health and medicine - 02 - Human anatomy and physiology/04 - Urinary system introduction - 03 - Glomerular filtration in the nephron.webm 8.88MB
  4406. Test prep/02 - MCAT - 02 - Cells/03 - Transport across a cell membrane - 04 - Glomerular filtration in the nephron.webm 8.88MB
  4407. Test prep/02 - MCAT - 03 - Organ systems/12 - Renal system - 03 - Glomerular filtration in the nephron.webm 8.88MB
  4408. Test prep/03 - NCLEX-RN - 10 - Renal system/01 - Introduction to the renal system - 03 - Glomerular filtration in the nephron.webm 8.88MB
  4409. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 04 - Example of calculating a surface integral part 2.webm 8.88MB
  4410. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 02 - Hals, Malle Babbe.webm 8.88MB
  4411. Science/02 - Physics - 04 - Work and energy/03 - Springs and Hooke's law - 03 - Spring potential energy example (mistake in math).webm 8.88MB
  4412. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 09 - Spring potential energy example (mistake in math).webm 8.88MB
  4413. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 13 - Manet, In the Conservatory.webm 8.88MB
  4414. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 09 - CA Geometry_ Area, pythagorean theorem.webm 8.88MB
  4415. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 24 - Magnetism 9_ Electric motors.webm 8.88MB
  4416. Partner content/06 - California Academy of Sciences - 03 - Where is biodiversity found_/01 - Biodiversity Hotspots - 05 - Biodiversity hotspot case study_ Madagascar.webm 8.88MB
  4417. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 10 - Neurogenic shock.webm 8.88MB
  4418. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 10 - Neurogenic shock.webm 8.88MB
  4419. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 45 - GMAT_ Math 45.webm 8.87MB
  4420. Economics and finance/01 - Microeconomics - 06 - Forms of competition/03 - Between perfect competition and monopoly - 01 - Oligopolies and monopolistic competition.webm 8.87MB
  4421. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 01 - Electrical conduction in heart cells.webm 8.87MB
  4422. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 01 - Electrical conduction in heart cells.webm 8.87MB
  4423. Test prep/02 - MCAT - 01 - Biomolecules/01 - Amino acids and proteins - 09 - Conformational stability_ Protein folding and denaturation.webm 8.87MB
  4424. Partner content/18 - NASA - 02 - Measuring the Universe/04 - Spectroscopy - 06 - X-rays (1895).webm 8.87MB
  4425. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 05 - Preparation of esters via Fischer esterification.webm 8.86MB
  4426. Test prep/02 - MCAT - 05 - Chemical processes/14 - Carboxylic acids - 05 - Preparation of esters via Fischer esterification.webm 8.86MB
  4427. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/14 - Modeling with graphs - 03 - Graphing relationship between rate and duration.webm 8.86MB
  4428. Science/01 - Biology - 02 - Human biology/02 - The neuron and nervous system - 03 - Correction to sodium and potassium pump video.webm 8.86MB
  4429. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 06 - Correction to sodium and potassium pump video.webm 8.86MB
  4430. Math/19 - Integral calculus - 03 - Integration applications/07 - Solid of revolution volume - 07 - Shell method around a non-axis line.webm 8.86MB
  4431. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 08 - Transcription 2.webm 8.86MB
  4432. Science/06 - Health and medicine - 14 - Lab values and concentrations/01 - Lab values and concentrations - 06 - Molarity vs. molality.webm 8.86MB
  4433. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/10 - Sal's old Maclaurin and Taylor series tutorial - 06 - Polynomial approximation of functions (part 6).webm 8.86MB
  4434. Math/09 - Pre-algebra - 02 - Factors and multiples/04 - Prime factorization - 04 - Common divisibility examples.webm 8.86MB
  4435. Arts and humanities/09 - Becoming modern - 02 - Romanticism/02 - France - 01 - Gros, Napoleon Bonaparte Visiting the Plague-Stricken in Jaffa.webm 8.86MB
  4436. Math/10 - Algebra basics - 07 - Quadratics and polynomials/04 - Factoring special products - 01 - Factoring special products.webm 8.85MB
  4437. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/05 - Factoring special products - 01 - Factoring special products.webm 8.85MB
  4438. Math/14 - Algebra II - 03 - Polynomial and rational functions/01 - Factoring quadratics - 06 - Factoring special products.webm 8.85MB
  4439. Science/04 - Organic chemistry - 04 - Stereochemistry/01 - Chirality and the R,S system - 04 - Cahn-Ingold-Prelog system for naming enantiomers.webm 8.85MB
  4440. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 02 - Mouth.webm 8.85MB
  4441. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 02 - Mouth.webm 8.85MB
  4442. Economics and finance/03 - Finance and capital markets - 02 - Housing/01 - Home equity and personal balance sheets - 01 - Introduction to balance sheets.webm 8.84MB
  4443. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/07 - Antwerp and Bruges - 03 - Bruegel, the Dutch Proverbs.webm 8.84MB
  4444. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 07 - Freud, Standing by the Rags.webm 8.84MB
  4445. Test prep/02 - MCAT - 06 - Processing the environment/13 - Drug dependence - 06 - Reward pathway in the brain.webm 8.83MB
  4446. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/01 - Radians - 01 - Introduction to radians.webm 8.83MB
  4447. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 10 - Cerebellum.webm 8.83MB
  4448. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 10 - Cerebellum.webm 8.83MB
  4449. Science/04 - Organic chemistry - 04 - Stereochemistry/04 - Diastereomers and meso compounds - 02 - Diastereomers.webm 8.83MB
  4450. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 08 - Titian, Bacchus and Ariadne.webm 8.83MB
  4451. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/01 - Alcohol nomenclature and properties - 03 - Alcohol properties.webm 8.83MB
  4452. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 06 - Electric potential energy (part 2-- involves calculus).webm 8.82MB
  4453. Science/02 - Physics - 04 - Work and energy/02 - Mechanical advantage - 01 - Introduction to mechanical advantage.webm 8.82MB
  4454. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 13 - Introduction to mechanical advantage.webm 8.82MB
  4455. Science/02 - Physics - 04 - Work and energy/03 - Springs and Hooke's law - 01 - Intro to springs and Hooke's law.webm 8.82MB
  4456. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 07 - Intro to springs and Hooke's law.webm 8.82MB
  4457. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 09 - Diastereomers.webm 8.82MB
  4458. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 26 - GMAT_ Data sufficiency 25.webm 8.82MB
  4459. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 03 - Carbocations and rearrangements.webm 8.82MB
  4460. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 12 - Rover ready to switch gears.webm 8.82MB
  4461. Partner content/05 - The J. Paul Getty Museum - 09 - Drawings/01 - Drawings - 03 - Taddeo Zuccaro's artistic training_ drawings by Federico Zuccaro.webm 8.82MB
  4462. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/10 - Sal's old Maclaurin and Taylor series tutorial - 01 - Polynomial approximation of functions (part 1).webm 8.82MB
  4463. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/04 - Romanesque - 08 - Virgin from Ger.webm 8.81MB
  4464. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/03 - The supply curve - 01 - Law of supply.webm 8.81MB
  4465. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 06 - Fra Angelico, The Annunciation (Prado).webm 8.81MB
  4466. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 03 - Degas, The Dance Class.webm 8.81MB
  4467. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 03 - Taxation and dead weight loss.webm 8.80MB
  4468. Math/17 - Precalculus - 04 - Imaginary and complex numbers/07 - Challenging complex number problems - 02 - IIT JEE complex numbers (part 2).webm 8.80MB
  4469. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 15 - IIT JEE complex numbers (part 2).webm 8.80MB
  4470. Test prep/02 - MCAT - 05 - Chemical processes/07 - Separations and purifications - 03 - Basics of chromatography.webm 8.80MB
  4471. Math/17 - Precalculus - 03 - Parametric equations and polar coordinates/02 - Polar coordinates - 01 - Polar coordinates 1.webm 8.80MB
  4472. Science/03 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 01 - Collision theory.webm 8.80MB
  4473. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 13 - Collision theory.webm 8.80MB
  4474. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 01 - GMAT_ Data sufficiency 1.webm 8.79MB
  4475. Science/04 - Organic chemistry - 14 - Spectroscopy/01 - Infrared Spectroscopy - 06 - Signal characteristics - shape.webm 8.79MB
  4476. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 06 - Signal characteristics - shape.webm 8.79MB
  4477. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 05 - Nucleophilic acyl substitution.webm 8.79MB
  4478. Test prep/02 - MCAT - 05 - Chemical processes/15 - Carboxylic acid derivatives - 05 - Nucleophilic acyl substitution.webm 8.79MB
  4479. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/03 - Daedalic and Archaic - 01 - Lady of Auxerre.webm 8.79MB
  4480. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/05 - Sound (Audition) - 03 - Auditory processing.webm 8.78MB
  4481. Test prep/02 - MCAT - 06 - Processing the environment/03 - Sound (Audition) - 03 - Auditory processing.webm 8.78MB
  4482. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 06 - GMAT_ Data sufficiency 6.webm 8.78MB
  4483. Science/02 - Physics - 04 - Work and energy/03 - Springs and Hooke's law - 02 - Potential energy stored in a spring.webm 8.78MB
  4484. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 08 - Potential energy stored in a spring.webm 8.78MB
  4485. Science/06 - Health and medicine - 02 - Human anatomy and physiology/12 - Reproductive system - 01 - Welcome to the reproductive system.webm 8.78MB
  4486. Test prep/02 - MCAT - 03 - Organ systems/18 - Reproductive system - 01 - Welcome to the reproductive system.webm 8.78MB
  4487. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/10 - Sal's old Maclaurin and Taylor series tutorial - 05 - Polynomial approximations of functions (part 5).webm 8.78MB
  4488. Science/03 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 06 - Mechanisms and the rate-determining step.webm 8.78MB
  4489. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 18 - Mechanisms and the rate-determining step.webm 8.78MB
  4490. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 01 - Production of sound.webm 8.78MB
  4491. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/08 - Siena, the Late Gothic - 06 - Lorenzetti, Presentation of Jesus in the Temple.webm 8.78MB
  4492. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 21 - More on entropy.webm 8.78MB
  4493. Science/03 - Chemistry - 11 - Thermodynamics/03 - Entropy - 09 - More on entropy.webm 8.78MB
  4494. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 10 - Supermassive black holes.webm 8.78MB
  4495. Science/06 - Health and medicine - 04 - Circulatory system diseases/12 - Vasculitis - 04 - Takayasu arteritis.webm 8.77MB
  4496. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/05 - Vasculitis - 04 - Takayasu arteritis.webm 8.77MB
  4497. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/02 - Orthogonal projections - 02 - Visualizing a projection onto a plane.webm 8.77MB
  4498. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 14 - GMAT_ Math 14.webm 8.77MB
  4499. Math/15 - Trigonometry - 04 - Trig identities and examples/06 - Trigonometric identities - 02 - Trig identities part 2 (part 4 if you watch the proofs).webm 8.77MB
  4500. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/01 - Blood pressure - 04 - Adding up resistance in series and in parallel.webm 8.76MB
  4501. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 01 - Structural (constitutional) isomers.webm 8.76MB
  4502. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 39 - GMAT_ Data sufficiency 38.webm 8.76MB
  4503. Math/10 - Algebra basics - 05 - Systems of equations/01 - Solving systems of equations - 02 - Solving linear systems by substitution.webm 8.76MB
  4504. Math/11 - Algebra I - 05 - Systems of equations and inequalities/02 - Super fast systems of equations - 02 - Solving linear systems by substitution.webm 8.76MB
  4505. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 19 - GMAT_ Data sufficiency 19.webm 8.75MB
  4506. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 34 - GMAT_ Math 34.webm 8.75MB
  4507. Arts and humanities/09 - Becoming modern - 02 - Romanticism/02 - France - 07 - Delacroix, The Death of Sardanapalus.webm 8.75MB
  4508. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 06 - GMAT_ Math 6.webm 8.75MB
  4509. Math/13 - Geometry - 05 - Right triangles and trigonometry/04 - Sine, cosine and tangent trigonometric functions - 01 - Basic trigonometry.webm 8.75MB
  4510. Math/15 - Trigonometry - 01 - Basic trigonometry/01 - Basic trigonometric ratios - 01 - Basic trigonometry.webm 8.75MB
  4511. Math/11 - Algebra I - 07 - Quadratic equations/08 - Quadratic odds and ends - 09 - CA Algebra I_ Quadratic equation.webm 8.74MB
  4512. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 07 - Caillebotte, Man at his Bath.webm 8.74MB
  4513. Partner content/17 - The Aspen Institute - 03 - The founding mothers of the United States of America/02 - An introduction to the founding mothers - 03 - Deborah Franklin.webm 8.74MB
  4514. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/09 - Point-slope form and standard form - 02 - Linear equations in point slope form.webm 8.74MB
  4515. Test prep/02 - MCAT - 05 - Chemical processes/14 - Carboxylic acids - 08 - Alpha-substitution of carboxylic acids.webm 8.74MB
  4516. Partner content/16 - The Brookings Institution - 01 - Introduction to health care in the U.S./01 - Introduction to health care in the U.S. - 10 - Health care for the chronically ill.webm 8.74MB
  4517. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/09 - Power - 01 - 'Getting Lost' with Deniz Beyazit.webm 8.74MB
  4518. Science/04 - Organic chemistry - 04 - Stereochemistry/02 - Chirality and absolute configuration - 05 - R,S system for 2-butanol.webm 8.74MB
  4519. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 06 - R,S system for 2-butanol.webm 8.74MB
  4520. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/02 - Photography after 1970 - 02 - Camilo Vergara documents the changing urban landscape.webm 8.74MB
  4521. Math/13 - Geometry - 04 - Similarity/04 - Old school similarity - 02 - Similar triangles (part 2).webm 8.74MB
  4522. Economics and finance/02 - Macroeconomics - 04 - The monetary system/01 - Fractional reserve banking - 02 - Weaknesses of fractional reserve lending.webm 8.74MB
  4523. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/03 - Elimination reactions - 01 - E2 reactions.webm 8.73MB
  4524. Test prep/02 - MCAT - 08 - Individuals and society/02 - Perception, prejudice, and bias - 06 - Stigma - Social and self.webm 8.73MB
  4525. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 04 - 2011 Calculus AB free response #3 (a and b).webm 8.73MB
  4526. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 13 - GMAT_ Math 13.webm 8.73MB
  4527. Science/02 - Physics - 09 - Fluids/01 - Fluids - 10 - Fluids (part 10).webm 8.73MB
  4528. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 04 - Fluids (part 10).webm 8.73MB
  4529. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/02 - Expressionism - 03 - Emil Nolde, 'Young Couple,' 1913.webm 8.73MB
  4530. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 13 - Emil Nolde, 'Young Couple,' 1913.webm 8.73MB
  4531. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 04 - Sum of factors 2.webm 8.73MB
  4532. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/05 - Present value - 02 - Introduction to present value.webm 8.73MB
  4533. Math/11 - Algebra I - 09 - Functions/11 - Modeling with one-variable equations and inequalities - 01 - Making more pizzas to spread cost per pizza.webm 8.72MB
  4534. Partner content/13 - Wi-Phi (Wireless Philosophy) - 03 - Value theory/01 - Value theory - 09 - Ethics_ Hedonism and The Experience Machine.webm 8.72MB
  4535. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 11 - 2011 Calculus AB free response #5b.webm 8.72MB
  4536. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 09 - Sample standard deviation and bias.webm 8.71MB
  4537. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 14 - Introduction to the FAFSA.webm 8.71MB
  4538. Science/06 - Health and medicine - 12 - Executive systems of the brain/05 - Emotion - 04 - Three components of emotion and the universal emotions.webm 8.71MB
  4539. Test prep/02 - MCAT - 06 - Processing the environment/11 - Emotion - 04 - Three components of emotion and the universal emotions.webm 8.71MB
  4540. Math/13 - Geometry - 02 - Angles and intersecting lines/04 - Sal's old angle videos - 07 - Angle game (part 2).webm 8.71MB
  4541. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 20 - GMAT_ Math 20.webm 8.71MB
  4542. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 09 - 2011 Calculus BC free response #1 (b and c).webm 8.71MB
  4543. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 24 - GMAT_ Data sufficiency 23.webm 8.71MB
  4544. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 01 - Nucleophile_electrophile and the schwartz rules.webm 8.71MB
  4545. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/04 - Inverse trig functions - 07 - Inverse tan domain and range.webm 8.71MB
  4546. Science/06 - Health and medicine - 08 - Hematologic system diseases/02 - Leukemia - 07 - Chronic leukemia.webm 8.71MB
  4547. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 07 - Chronic leukemia.webm 8.71MB
  4548. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/05 - Spain - 03 - Velázquez, Las Meninas.webm 8.70MB
  4549. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./04 - Protestant Reformation and Catholic Counter-Reformation - 07 - Velázquez, Las Meninas.webm 8.70MB
  4550. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 29 - GMAT_ Data sufficiency 28.webm 8.70MB
  4551. Test prep/02 - MCAT - 08 - Individuals and society/01 - Self-identity - 03 - Overview of theories of development.webm 8.70MB
  4552. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 16 - Paint Analysis of Jackson Pollock's Mural.webm 8.70MB
  4553. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/01 - Concept of multiplication and division - 04 - The idea of division.webm 8.70MB
  4554. Math/08 - Arithmetic - 02 - Multiplication and division/01 - Concept of multiplication and division - 04 - The idea of division.webm 8.70MB
  4555. Arts and humanities/09 - Becoming modern - 02 - Romanticism/06 - United States - 04 - Lane, Owl's Head, Penobscot Bay, Maine.webm 8.70MB
  4556. Science/04 - Organic chemistry - 04 - Stereochemistry/01 - Chirality and the R,S system - 02 - Chiral examples 1.webm 8.70MB
  4557. Science/02 - Physics - 01 - One-dimensional motion/03 - Kinematic formulas and projectile motion - 06 - Deriving max projectile displacement given time.webm 8.70MB
  4558. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 04 - Rembrandt, Bathsheba at her Bath.webm 8.69MB
  4559. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 07 - Cartier-Bresson, Behind the Gare St. Lazare.webm 8.69MB
  4560. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 12 - Veneziano, St. Lucy Altarpiece.webm 8.69MB
  4561. Math/07 - 8th grade (U.S.) - 05 - Geometry/05 - Pythagorean theorem proofs - 04 - Another Pythagorean theorem proof.webm 8.69MB
  4562. Math/12 - Basic geometry - 07 - The Pythagorean theorem/03 - Pythagorean theorem proofs - 04 - Another Pythagorean theorem proof.webm 8.69MB
  4563. Math/13 - Geometry - 05 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 04 - Another Pythagorean theorem proof.webm 8.69MB
  4564. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 04 - Bitcoin_ Digital signatures.webm 8.69MB
  4565. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 30 - Calculating dot and cross products with unit vector notation.webm 8.68MB
  4566. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 06 - Bitcoin_ Proof of work.webm 8.68MB
  4567. Science/03 - Chemistry - 04 - Periodic table/01 - Introduction to the periodic table - 04 - The periodic table - transition metals.webm 8.68MB
  4568. Test prep/02 - MCAT - 04 - Physical processes/27 - Periodic table - 03 - The periodic table - transition metals.webm 8.68MB
  4569. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 07 - GMAT_ Data sufficiency 7.webm 8.68MB
  4570. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Cell potentials - 01 - Free energy and cell potential.webm 8.68MB
  4571. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 05 - Free energy and cell potential.webm 8.68MB
  4572. Math/21 - Differential equations - 01 - First order differential equations/04 - Logistic differential equation and function - 04 - Solving the logistic differential equation part 2.webm 8.68MB
  4573. Partner content/19 - Big History Project - 05 - 5. Life/01 - 5.0—What Is Life_ - 01 - Threshold 5_ Life on Earth Video.webm 8.68MB
  4574. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 10 - GMAT_ Data sufficiency 10.webm 8.68MB
  4575. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/03 - The Constitution of the United States - 03 - The Constitution and the role of the President.webm 8.67MB
  4576. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/02 - Comparative advantage and gains from trade - 01 - Comparative advantage specialization and gains from trade.webm 8.67MB
  4577. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 01 - 2011 Calculus AB free response #1a.webm 8.67MB
  4578. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 11 - Age word problems 2.webm 8.66MB
  4579. Test prep/02 - MCAT - 01 - Biomolecules/08 - Chromosomal inheritance - 02 - Evidence that DNA is genetic material 2.webm 8.66MB
  4580. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 05 - Titian, Noli me Tangere.webm 8.66MB
  4581. Math/11 - Algebra I - 10 - Ratios and proportions/02 - Advanced ratios, proportions, and rates - 02 - Advanced ratio problems.webm 8.66MB
  4582. Math/21 - Differential equations - 02 - Second order linear equations/01 - Linear homogeneous equations - 01 - 2nd order linear homogeneous differential equations 1.webm 8.65MB
  4583. Science/01 - Biology - 03 - Heredity and evolution/02 - Heredity and genetics - 09 - Alleles and genes.webm 8.65MB
  4584. Test prep/02 - MCAT - 02 - Cells/02 - Cell-cell interactions - 05 - Enzyme Linked Receptors.webm 8.65MB
  4585. Test prep/02 - MCAT - 03 - Organ systems/05 - Biosignaling - 04 - Enzyme Linked Receptors.webm 8.65MB
  4586. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 40 - GMAT_ Data sufficiency 39.webm 8.65MB
  4587. Math/05 - 6th grade (U.S.) - 03 - Negative numbers/01 - Negative number basics - 01 - Negative numbers introduction.webm 8.65MB
  4588. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/01 - Negative number basics - 01 - Negative numbers introduction.webm 8.65MB
  4589. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/01 - Negative number basics - 01 - Negative numbers introduction.webm 8.65MB
  4590. Math/10 - Algebra basics - 01 - Foundations/01 - Negative numbers - 01 - Negative numbers introduction.webm 8.65MB
  4591. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 10 - Unit vector notation.webm 8.65MB
  4592. Test prep/02 - MCAT - 04 - Physical processes/01 - Vectors and scalars - 03 - Unit vector notation.webm 8.65MB
  4593. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/08 - Maclaurin series and Euler's identity - 03 - Sine Taylor series at 0 (Maclaurin).webm 8.65MB
  4594. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/03 - Logarithmic functions - 02 - Graphing logarithmic functions.webm 8.65MB
  4595. Math/14 - Algebra II - 06 - Logarithms/01 - Logarithm basics - 07 - Graphing logarithmic functions.webm 8.65MB
  4596. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 02 - States of matter follow-up.webm 8.65MB
  4597. Math/16 - Probability and statistics - 03 - Statistical studies/03 - Hypothesis testing - 02 - Hypothesis testing for new cholesterol test.webm 8.64MB
  4598. Test prep/02 - MCAT - 08 - Individuals and society/01 - Self-identity - 02 - Self esteem, self efficacy, and locus of control.webm 8.64MB
  4599. Science/06 - Health and medicine - 02 - Human anatomy and physiology/11 - Lymphatic system introduction - 02 - How lymphatic vessels move fluid.webm 8.64MB
  4600. Test prep/02 - MCAT - 03 - Organ systems/10 - Lymphatic system - 02 - How lymphatic vessels move fluid.webm 8.64MB
  4601. Test prep/03 - NCLEX-RN - 08 - Lymphatic system/01 - Lymphatic system - 02 - How lymphatic vessels move fluid.webm 8.64MB
  4602. Math/18 - Differential calculus - 01 - Limits/08 - Epsilon delta definition of limits - 04 - Proving a limit using epsilon-delta definition.webm 8.64MB
  4603. Math/16 - Probability and statistics - 02 - Probability and combinatorics/04 - Making decisions with probability - 02 - Picking fairly.webm 8.64MB
  4604. Science/02 - Physics - 06 - Moments, torque, and angular momentum/01 - Torque, moments, and angular momentum - 08 - Cross product and torque.webm 8.64MB
  4605. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 15 - Cross product and torque.webm 8.64MB
  4606. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/03 - Sensory perception - 03 - Weber's law and thresholds.webm 8.63MB
  4607. Test prep/02 - MCAT - 06 - Processing the environment/01 - Sensory perception - 03 - Weber's law and thresholds.webm 8.63MB
  4608. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/02 - How the Constitution deals with civil liberties and privacy in an age of technological change - 07 - The Fourth Amendment of the U.S. Constitution.webm 8.63MB
  4609. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 11 - 'Spring Break' over_ commanding resumes.webm 8.63MB
  4610. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/07 - Dependent probability - 04 - Dependent probability example 2.webm 8.63MB
  4611. Math/16 - Probability and statistics - 01 - Independent and dependent events/04 - Dependent probability - 03 - Dependent probability example 2.webm 8.63MB
  4612. Math/17 - Precalculus - 05 - Probability and combinatorics/04 - Dependent events - 04 - Dependent probability example 2.webm 8.63MB
  4613. Math/13 - Geometry - 03 - Congruence/02 - Congruence postulates - 11 - Problem involving angle derived from square and circle.webm 8.62MB
  4614. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/03 - Mortgage-backed securities - 04 - Mortgage-backed securities III.webm 8.62MB
  4615. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 07 - Mortgage-backed securities III.webm 8.62MB
  4616. Math/18 - Differential calculus - 02 - Taking derivatives/10 - Derivatives of inverse functions - 05 - Derivative of x^(x^x).webm 8.62MB
  4617. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 18 - CA Geometry_ Circle area chords tangent.webm 8.61MB
  4618. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/03 - Stellar parallax - 02 - Stellar parallax.webm 8.61MB
  4619. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 12 - Differences in translation between prokaryotes and eukaryotes.webm 8.61MB
  4620. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 04 - GMAT_ Data sufficiency 4.webm 8.61MB
  4621. Math/18 - Differential calculus - 02 - Taking derivatives/03 - Introduction to derivatives - 10 - Calculus_ Derivatives 1.webm 8.60MB
  4622. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 12 - Michelangelo, Slaves.webm 8.59MB
  4623. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 03 - What is capital_.webm 8.59MB
  4624. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 05 - Functionalism.webm 8.59MB
  4625. Science/06 - Health and medicine - 04 - Circulatory system diseases/01 - Coronary artery disease - 06 - Heart attack (myocardial infarct) medications.webm 8.59MB
  4626. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/01 - Coronary artery disease - 06 - Heart attack (myocardial infarct) medications.webm 8.59MB
  4627. Science/02 - Physics - 09 - Fluids/01 - Fluids - 01 - Fluids (part 1).webm 8.59MB
  4628. Test prep/02 - MCAT - 04 - Physical processes/09 - Fluids at rest - 01 - Fluids (part 1).webm 8.59MB
  4629. Math/18 - Differential calculus - 03 - Derivative applications/06 - Optimization with calculus - 02 - Optimizing box volume graphically.webm 8.58MB
  4630. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 18 - Fallacies_ Begging the question.webm 8.58MB
  4631. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 06 - Total final velocity for projectile.webm 8.58MB
  4632. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/04 - Hedge funds - 02 - Hedge fund structure and fees.webm 8.58MB
  4633. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/05 - 2D divergence theorem - 03 - Conceptual clarification for 2D divergence theorem.webm 8.57MB
  4634. Partner content/15 - LeBron asks - 01 - LeBron asks/01 - LeBron asks - 03 - LeBron Asks_ If Earth's history were a basketball game, when did humans appear_.webm 8.57MB
  4635. Math/16 - Probability and statistics - 07 - Inferential statistics/01 - Normal distribution - 06 - ck12.org exercise_ Standard normal distribution and the empirical rule.webm 8.57MB
  4636. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/04 - Monetary and fiscal policy - 01 - Monetary and fiscal policy.webm 8.57MB
  4637. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/04 - Sight (vision) - 02 - Visual sensory information.webm 8.56MB
  4638. Test prep/02 - MCAT - 06 - Processing the environment/02 - Sight (vision) - 02 - Visual sensory information.webm 8.56MB
  4639. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 13 - Cross product 1.webm 8.56MB
  4640. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 04 - Blood cell lineages.webm 8.56MB
  4641. Test prep/02 - MCAT - 03 - Organ systems/08 - Hematologic system - 08 - Blood cell lineages.webm 8.56MB
  4642. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/02 - Books, music, and literature - 08 - 'Dream Logic' with Joseph Scheier-Dolberg.webm 8.56MB
  4643. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/09 - Preload and afterload - 07 - Active contraction vs. passive recoil.webm 8.56MB
  4644. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/06 - Percent word problems - 01 - Growing by a percentage.webm 8.55MB
  4645. Math/08 - Arithmetic - 04 - Decimals/10 - Percent word problems - 01 - Growing by a percentage.webm 8.55MB
  4646. Math/09 - Pre-algebra - 03 - Decimals/10 - Percent word problems - 01 - Growing by a percentage.webm 8.55MB
  4647. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 08 - Growing by a percentage.webm 8.55MB
  4648. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 12 - Fallacies_ Fallacy of composition.webm 8.55MB
  4649. Math/15 - Trigonometry - 04 - Trig identities and examples/01 - Symmetry and periodicity of trig functions - 02 - Unit circle symmetries for tan.webm 8.55MB
  4650. Partner content/09 - Asian Art Museum - 04 - The Himalayas and the Tibetan Buddhist World/01 - The Himalayas and the Tibetan Buddhist World - 02 - The Buddhist deity Simhavaktra Dakini.webm 8.54MB
  4651. Science/03 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 09 - Zero-order reaction (with calculus).webm 8.54MB
  4652. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 12 - Zero-order reaction (with calculus).webm 8.54MB
  4653. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 13 - Franz Kline.webm 8.54MB
  4654. Partner content/04 - The Museum of Modern Art - 04 - Abstract Expressionism/01 - Abstract Expressionism - 06 - Franz Kline.webm 8.54MB
  4655. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/03 - Sensory perception - 08 - Gestalt principles.webm 8.54MB
  4656. Test prep/02 - MCAT - 06 - Processing the environment/01 - Sensory perception - 10 - Gestalt principles.webm 8.54MB
  4657. Arts and humanities/12 - Arts of the Islamic world - 04 - Late period/01 - Late period - 06 - An English ambassador.webm 8.54MB
  4658. Partner content/03 - The British Museum - 03 - Asia/05 - Iran - 03 - An English ambassador.webm 8.54MB
  4659. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/05 - Middle empire - 03 - Hadrian, The imperial palace, Tivoli.webm 8.53MB
  4660. Partner content/03 - The British Museum - 04 - Europe/02 - Ancient Rome - 01 - Hadrian, The imperial palace, Tivoli.webm 8.53MB
  4661. Science/06 - Health and medicine - 08 - Hematologic system diseases/01 - Anemia - 01 - What is anemia_.webm 8.53MB
  4662. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/01 - Anemia - 01 - What is anemia_.webm 8.53MB
  4663. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 44 - GMAT_ Math 44.webm 8.53MB
  4664. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/02 - Formation of carboxylic acid derivatives - 05 - Amide formation from acyl chloride.webm 8.53MB
  4665. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/06 - Intersections - 07 - 'Arrival' with Morrison Heckscher.webm 8.53MB
  4666. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/01 - Compound interest basics - 02 - The rule of 72 for compound interest.webm 8.53MB
  4667. Math/13 - Geometry - 05 - Right triangles and trigonometry/05 - Trig ratios and similarity - 05 - Example relating trig function to side ratios.webm 8.53MB
  4668. Math/15 - Trigonometry - 01 - Basic trigonometry/02 - Trigonometric ratios and similarity - 05 - Example relating trig function to side ratios.webm 8.53MB
  4669. Math/10 - Algebra basics - 07 - Quadratics and polynomials/05 - Solving quadratics by factoring - 03 - Finding dimensions of triangle from area.webm 8.53MB
  4670. Math/11 - Algebra I - 07 - Quadratic equations/02 - Solving quadratics by factoring - 03 - Finding dimensions of triangle from area.webm 8.53MB
  4671. Math/21 - Differential equations - 01 - First order differential equations/04 - Logistic differential equation and function - 05 - Logistic function application.webm 8.53MB
  4672. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 07 - Gauguin, The Red Cow.webm 8.51MB
  4673. Science/02 - Physics - 09 - Fluids/01 - Fluids - 06 - Fluids (part 6).webm 8.51MB
  4674. Test prep/02 - MCAT - 04 - Physical processes/09 - Fluids at rest - 06 - Fluids (part 6).webm 8.51MB
  4675. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 12 - Surface integral ex3 part 2_ Evaluating the outside surface.webm 8.51MB
  4676. Math/14 - Algebra II - 02 - Functions and their graphs/03 - Domain and range - 01 - Domain of a function.webm 8.51MB
  4677. Math/13 - Geometry - 03 - Congruence/02 - Congruence postulates - 05 - Finding congruent triangles.webm 8.51MB
  4678. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/02 - Seismic waves and how we know earth's structure - 03 - Refraction of seismic waves.webm 8.51MB
  4679. Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 06 - More on total revenue and elasticity.webm 8.51MB
  4680. Science/04 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 03 - Ortho-para directors III.webm 8.51MB
  4681. Science/06 - Health and medicine - 02 - Human anatomy and physiology/11 - Lymphatic system introduction - 05 - What is actually in lymph.webm 8.51MB
  4682. Test prep/02 - MCAT - 03 - Organ systems/10 - Lymphatic system - 05 - What is actually in lymph.webm 8.51MB
  4683. Test prep/03 - NCLEX-RN - 08 - Lymphatic system/01 - Lymphatic system - 05 - What is actually in lymph.webm 8.51MB
  4684. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 08 - Organic chemistry naming examples 2.webm 8.50MB
  4685. Science/02 - Physics - 04 - Work and energy/01 - Work and energy - 02 - Work and energy (part 2).webm 8.50MB
  4686. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 02 - Work and energy (part 2).webm 8.50MB
  4687. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 13 - Caravaggio, Calling of Saint Matthew.webm 8.50MB
  4688. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./04 - Protestant Reformation and Catholic Counter-Reformation - 03 - Caravaggio, Calling of Saint Matthew.webm 8.50MB
  4689. Arts and humanities/08 - Monarchy and enlightenment - 04 - Britain and America in the Age of Revolution/02 - America in the age of Revolution - 01 - Copley, Boy with a Squirrel.webm 8.50MB
  4690. Test prep/02 - MCAT - 01 - Biomolecules/10 - Principles of bioenergetics - 04 - Enthalpy.webm 8.50MB
  4691. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/08 - Rise of Hitler and the Nazis - 05 - Nazi aggression and appeasement.webm 8.49MB
  4692. Economics and finance/03 - Finance and capital markets - 02 - Housing/01 - Home equity and personal balance sheets - 02 - More on balance sheets and equity.webm 8.49MB
  4693. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/04 - Molecular composition - 03 - Molecular mass percentage.webm 8.49MB
  4694. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 16 - Parabolic mirrors and real images.webm 8.49MB
  4695. Test prep/02 - MCAT - 04 - Physical processes/23 - Spherical mirrors - 02 - Parabolic mirrors and real images.webm 8.49MB
  4696. Science/04 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 06 - Friedel-Crafts acylation.webm 8.49MB
  4697. Math/11 - Algebra I - 07 - Quadratic equations/07 - Quadratic inequalities - 03 - Quadratic inequalities (visual explanation).webm 8.48MB
  4698. Math/14 - Algebra II - 03 - Polynomial and rational functions/03 - Quadratic inequalities - 02 - Quadratic inequalities (visual explanation).webm 8.48MB
  4699. Math/07 - 8th grade (U.S.) - 05 - Geometry/03 - Triangle angles - 05 - Challenging triangle angle problem.webm 8.48MB
  4700. Math/12 - Basic geometry - 03 - Shapes/02 - Finding angles in shapes - 05 - Challenging triangle angle problem.webm 8.48MB
  4701. Math/13 - Geometry - 02 - Angles and intersecting lines/03 - Angles with triangles and polygons - 05 - Challenging triangle angle problem.webm 8.48MB
  4702. Math/03 - 4th grade (U.S.) - 05 - Geometry/05 - Classifying geometric shapes - 01 - Quadrilateral overview.webm 8.48MB
  4703. Math/04 - 5th grade (U.S.) - 05 - Geometry/02 - Quadrilaterals - 01 - Quadrilateral overview.webm 8.48MB
  4704. Math/12 - Basic geometry - 03 - Shapes/01 - Classifying shapes - 01 - Quadrilateral overview.webm 8.48MB
  4705. Math/13 - Geometry - 06 - Perimeter, area, and volume/06 - Perimeter and area of non-standard shapes - 01 - Quadrilateral overview.webm 8.48MB
  4706. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 01 - Quadrilateral overview.webm 8.48MB
  4707. Math/18 - Differential calculus - 03 - Derivative applications/05 - Concavity and inflection points - 01 - Concavity, concave upwards and concave downwards intervals.webm 8.48MB
  4708. Science/04 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 05 - Aromatic stability V.webm 8.48MB
  4709. Science/06 - Health and medicine - 06 - Respiratory system diseases/14 - Bronchiolitis - 01 - What is bronchiolitis_.webm 8.47MB
  4710. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/06 - Bronchiolitis - 01 - What is bronchiolitis_.webm 8.47MB
  4711. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 30 - GMAT_ Data sufficiency 29.webm 8.47MB
  4712. Math/20 - Multivariable calculus - 01 - Double and triple integrals/01 - Double integrals - 05 - Double integrals 5.webm 8.47MB
  4713. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 02 - Demographic structure of society - race and ethnicity.webm 8.47MB
  4714. Math/18 - Differential calculus - 03 - Derivative applications/11 - Local linearization - 01 - Local linearization.webm 8.47MB
  4715. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/11 - Changing the PV loop - 09 - Stroke work in PV loops and boxes.webm 8.47MB
  4716. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/03 - Sensory perception - 01 - Perceptual organization.webm 8.46MB
  4717. Test prep/02 - MCAT - 06 - Processing the environment/01 - Sensory perception - 01 - Visual cues.webm 8.46MB
  4718. Science/06 - Health and medicine - 04 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 02 - Arteriosclerosis, arteriolosclerosis, and atherosclerosis.webm 8.46MB
  4719. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 28 - GMAT_ Math 28.webm 8.46MB
  4720. Science/06 - Health and medicine - 10 - Endocrine system diseases/01 - Diabetes - 01 - Glucose insulin and diabetes.webm 8.46MB
  4721. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 09 - Cézanne, The Red Rock.webm 8.46MB
  4722. Math/13 - Geometry - 03 - Congruence/03 - Congruence and isosceles and equilateral triangles - 01 - Congruent legs and base angles of isosceles triangles.webm 8.46MB
  4723. Math/22 - Linear algebra - 02 - Matrix transformations/05 - Finding inverses and determinants - 06 - Determinants along other rows_cols.webm 8.45MB
  4724. Arts and humanities/01 - History - 04 - Before 1300_ Ancient and Medieval history/01 - Ancient - 02 - Ptolemaic_ Rosetta Stone.webm 8.45MB
  4725. Computing/02 - Computer science - 03 - Journey into information theory/01 - Ancient information theory - 04 - Ptolemaic_ Rosetta Stone.webm 8.45MB
  4726. Test prep/02 - MCAT - 02 - Cells/01 - Cell membrane overview - 04 - Cell membrane proteins.webm 8.44MB
  4727. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 35 - GMAT_ Data sufficiency 34.webm 8.44MB
  4728. Math/06 - 7th grade (U.S.) - 05 - Geometry/05 - Angles - 01 - Complementary and supplementary angles.webm 8.44MB
  4729. Math/12 - Basic geometry - 02 - Angles/03 - Relationships between angles - 01 - Complementary and supplementary angles.webm 8.44MB
  4730. Math/13 - Geometry - 02 - Angles and intersecting lines/05 - Complementary and supplementary angles - 01 - Complementary and supplementary angles.webm 8.44MB
  4731. Math/14 - Algebra II - 08 - Conic sections/07 - Conics in the IIT JEE - 04 - IIT JEE circle hyperbola common tangent part 3.webm 8.44MB
  4732. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 25 - IIT JEE circle hyperbola common tangent part 3.webm 8.44MB
  4733. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 06 - 'Originality' with Dita Amory.webm 8.44MB
  4734. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 04 - Campin, Christ and the Virgin.webm 8.44MB
  4735. Science/06 - Health and medicine - 08 - Hematologic system diseases/02 - Leukemia - 08 - Myelodysplastic syndrome.webm 8.43MB
  4736. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 08 - Myelodysplastic syndrome.webm 8.43MB
  4737. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 28 - GMAT_ Data sufficiency 27.webm 8.43MB
  4738. Math/15 - Trigonometry - 04 - Trig identities and examples/07 - Advanced trig examples - 04 - IIT JEE trigonometric maximum.webm 8.43MB
  4739. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 29 - IIT JEE trigonometric maximum.webm 8.43MB
  4740. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/09 - Power - 05 - 'Hyperreality' with Kim Benzel.webm 8.43MB
  4741. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 08 - Pangaea.webm 8.43MB
  4742. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/03 - Sensory perception - 04 - Somatosensation.webm 8.43MB
  4743. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/06 - Somatosensation - 01 - Somatosensation.webm 8.43MB
  4744. Test prep/02 - MCAT - 06 - Processing the environment/01 - Sensory perception - 05 - Somatosensation.webm 8.43MB
  4745. Test prep/02 - MCAT - 06 - Processing the environment/04 - Somatosensation - 01 - Somatosensation.webm 8.43MB
  4746. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/02 - Alkene reactions - 02 - Markovnikov's rule and carbocations.webm 8.42MB
  4747. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 07 - Taking percentages.webm 8.42MB
  4748. Economics and finance/03 - Finance and capital markets - 10 - Current economics/02 - Housing price conundrum - 02 - Housing price conundrum (part 2).webm 8.42MB
  4749. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 02 - Housing price conundrum (part 2).webm 8.42MB
  4750. Math/11 - Algebra I - 09 - Functions/11 - Modeling with one-variable equations and inequalities - 04 - Constructing an exponential equation example.webm 8.41MB
  4751. Math/18 - Differential calculus - 02 - Taking derivatives/03 - Introduction to derivatives - 11 - Calculus_ Derivatives 2.webm 8.41MB
  4752. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/01 - United States - 03 - Chicago, Pasadena Lifesaver, Blue Series, No. 4 and Benglis, Omega.webm 8.40MB
  4753. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 01 - Titration introduction.webm 8.40MB
  4754. Test prep/02 - MCAT - 05 - Chemical processes/02 - Titrations - 01 - Titration introduction.webm 8.40MB
  4755. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 27 - IR sensor.webm 8.40MB
  4756. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 12 - Speed translation.webm 8.40MB
  4757. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 09 - IIT JEE function maxima.webm 8.40MB
  4758. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 09 - Specular and diffuse reflection 2.webm 8.40MB
  4759. Test prep/02 - MCAT - 04 - Physical processes/24 - Reflection and refraction - 02 - Specular and diffuse reflection 2.webm 8.40MB
  4760. Math/10 - Algebra basics - 07 - Quadratics and polynomials/02 - Multiplying binomials - 01 - Multiplying binomials and polynomials.webm 8.40MB
  4761. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/02 - Multiplying binomials - 04 - Multiplying binomials and polynomials.webm 8.40MB
  4762. Economics and finance/03 - Finance and capital markets - 10 - Current economics/01 - Unemployment - 02 - Unemployment rate primer (v2).webm 8.40MB
  4763. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/02 - Expressionism - 02 - Ernst Ludwig Kirchner, 'Street, Berlin'.webm 8.40MB
  4764. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 22 - Ernst Ludwig Kirchner, 'Street, Berlin'.webm 8.40MB
  4765. Science/01 - Biology - 03 - Heredity and evolution/03 - Tree of life - 07 - Human prehistory 101 part 2_ Weathering the storm.webm 8.39MB
  4766. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 06 - Sn1 vs Sn2_ Solvent effects.webm 8.39MB
  4767. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/09 - Danny O'Neill - President of The Roasterie - 02 - Danny O'Neill - Getting started.webm 8.39MB
  4768. Science/06 - Health and medicine - 02 - Human anatomy and physiology/10 - Integumentary system introduction - 08 - Pacinian's Corpuscle and Merkel's Disk.webm 8.39MB
  4769. Test prep/02 - MCAT - 03 - Organ systems/17 - Integumentary system - 08 - Pacinian's Corpuscle and Merkel's Disk.webm 8.39MB
  4770. Economics and finance/02 - Macroeconomics - 04 - The monetary system/01 - Fractional reserve banking - 03 - Full reserve banking.webm 8.39MB
  4771. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 06 - Lifecycle of massive stars.webm 8.39MB
  4772. Science/04 - Organic chemistry - 04 - Stereochemistry/01 - Chirality and the R,S system - 03 - Chiral examples 2.webm 8.39MB
  4773. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/02 - Sumerian - 01 - Writing Cuneiform.webm 8.39MB
  4774. Math/07 - 8th grade (U.S.) - 05 - Geometry/04 - The Pythagorean theorem - 02 - The Pythagorean theorem intro.webm 8.39MB
  4775. Math/10 - Algebra basics - 08 - Equations and geometry/03 - Pythagorean theorem - 01 - The Pythagorean theorem intro.webm 8.39MB
  4776. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 02 - The Pythagorean theorem intro.webm 8.39MB
  4777. Math/12 - Basic geometry - 07 - The Pythagorean theorem/01 - The Pythagorean theorem - 02 - The Pythagorean theorem intro.webm 8.39MB
  4778. Math/13 - Geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 02 - The Pythagorean theorem intro.webm 8.39MB
  4779. Science/06 - Health and medicine - 06 - Respiratory system diseases/11 - Nose, sinus, and upper respiratory conditions - 04 - Nasal polyps.webm 8.39MB
  4780. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/10 - Nose, sinus, and upper respiratory track infections - 04 - Nasal polyps.webm 8.39MB
  4781. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/08 - Observations - 07 - 'Noise' with Maryan W. Ainsworth.webm 8.38MB
  4782. Math/20 - Multivariable calculus - 02 - Partial derivatives, gradient, divergence, curl/03 - Divergence - 01 - Divergence 1.webm 8.38MB
  4783. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 04 - GMAT_ Math 4.webm 8.38MB
  4784. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/02 - Orthogonal projections - 06 - Projection is closest vector in subspace.webm 8.38MB
  4785. Partner content/16 - The Brookings Institution - 01 - Introduction to health care in the U.S./01 - Introduction to health care in the U.S. - 01 - Introduction to the U.S. health care system.webm 8.38MB
  4786. Math/18 - Differential calculus - 02 - Taking derivatives/03 - Introduction to derivatives - 05 - Calculating slope of tangent line using derivative definition.webm 8.38MB
  4787. Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 06 - Review of revenue and cost graphs for a monopoly.webm 8.37MB
  4788. Math/14 - Algebra II - 07 - Imaginary and complex numbers/02 - Complex numbers - 10 - Algebra II_ Imaginary and complex numbers.webm 8.37MB
  4789. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 12 - Electrocardioversion.webm 8.36MB
  4790. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 12 - Electrocardioversion.webm 8.36MB
  4791. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/07 - 2011-2012 Greek debt crisis - 01 - Greek debt recession and austerity (part 1).webm 8.36MB
  4792. Test prep/02 - MCAT - 01 - Biomolecules/10 - Principles of bioenergetics - 02 - An analogy for Gibbs free energy.webm 8.36MB
  4793. Science/06 - Health and medicine - 06 - Respiratory system diseases/04 - Chronic Bronchitis (COPD) - 01 - What is chronic bronchitis_.webm 8.36MB
  4794. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/04 - Chronic bronchitis (COPD) - 01 - What is chronic bronchitis_.webm 8.36MB
  4795. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/05 - Investment and consumption - 03 - Return on capital.webm 8.35MB
  4796. Math/18 - Differential calculus - 02 - Taking derivatives/06 - Power rule - 03 - Derivative properties and polynomial derivatives.webm 8.35MB
  4797. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 21 - Magnetism 6_ Magnetic field due to current.webm 8.35MB
  4798. Science/06 - Health and medicine - 02 - Human anatomy and physiology/08 - Skeletal system introduction - 04 - Skeletal endocrine control.webm 8.35MB
  4799. Test prep/02 - MCAT - 03 - Organ systems/16 - Skeletal system - 04 - Skeletal endocrine control.webm 8.35MB
  4800. Test prep/03 - NCLEX-RN - 13 - Skeletal system/01 - Skeletal system - 04 - Skeletal endocrine control.webm 8.35MB
  4801. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 05 - Equations of parallel and perpendicular lines.webm 8.34MB
  4802. Math/13 - Geometry - 02 - Angles and intersecting lines/04 - Sal's old angle videos - 03 - Angles (part 3).webm 8.34MB
  4803. Science/03 - Chemistry - 03 - Electronic structure of atoms/03 - Electron configurations - 03 - Electron configuration for d block element.webm 8.34MB
  4804. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 09 - GMAT_ Math 9.webm 8.34MB
  4805. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/07 - 2011-2012 Greek debt crisis - 03 - How and why Greece would leave the Euro (part 3).webm 8.34MB
  4806. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/09 - Taylor series approximations - 02 - Generalized Taylor series approximation.webm 8.34MB
  4807. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 20 - IIT JEE trace and determinant.webm 8.34MB
  4808. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/09 - Taylor series approximations - 03 - Visualizing Taylor series for e^x.webm 8.33MB
  4809. Math/18 - Differential calculus - 02 - Taking derivatives/06 - Power rule - 06 - Power rule introduction (old).webm 8.33MB
  4810. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/02 - Average costs (ATC, MC) and marginal revenue (MR) - 01 - Marginal cost and average total cost.webm 8.33MB
  4811. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 01 - Introduction to blended learning/02 - Four different blended learning models - 03 - The Station Rotation Model.webm 8.33MB
  4812. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 12 - Blood cell lineages.webm 8.33MB
  4813. Test prep/02 - MCAT - 03 - Organ systems/11 - Immune system - 11 - Blood cell lineages.webm 8.33MB
  4814. Test prep/03 - NCLEX-RN - 09 - Immune system/01 - Immune system - 11 - Blood cell lineages.webm 8.33MB
  4815. Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 02 - The Caesar cipher.webm 8.33MB
  4816. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 08 - Addition of carbon nucleophiles to aldehydes and ketones.webm 8.32MB
  4817. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 11 - Addition of carbon nucleophiles to aldehydes and ketones.webm 8.32MB
  4818. Math/13 - Geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 06 - Intro to 30-60-90 triangles.webm 8.32MB
  4819. Math/17 - Precalculus - 08 - Limits/01 - Limit basics - 06 - Limit examples (part 3).webm 8.32MB
  4820. Math/18 - Differential calculus - 01 - Limits/05 - Old limits tutorial - 04 - Limit examples (part 3).webm 8.32MB
  4821. Science/07 - Discoveries and projects - 03 - Robots/01 - All about Spout - 06 - Spout battery configuration and polarization.webm 8.32MB
  4822. Math/15 - Trigonometry - 04 - Trig identities and examples/05 - Law of cosines and law of sines - 06 - Proof of the law of cosines.webm 8.32MB
  4823. Science/06 - Health and medicine - 02 - Human anatomy and physiology/10 - Integumentary system introduction - 07 - Overview of Sensation and Meissner's Corpuscle.webm 8.32MB
  4824. Test prep/02 - MCAT - 03 - Organ systems/17 - Integumentary system - 07 - Overview of Sensation and Meissner's Corpuscle.webm 8.32MB
  4825. Math/07 - 8th grade (U.S.) - 05 - Geometry/05 - Pythagorean theorem proofs - 01 - Garfield's proof of the Pythagorean theorem.webm 8.32MB
  4826. Math/12 - Basic geometry - 07 - The Pythagorean theorem/03 - Pythagorean theorem proofs - 01 - Garfield's proof of the Pythagorean theorem.webm 8.32MB
  4827. Math/13 - Geometry - 05 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 01 - Garfield's proof of the Pythagorean theorem.webm 8.32MB
  4828. Science/03 - Chemistry - 13 - Kinetics/01 - Reaction rates and rate laws - 02 - Rate of reaction.webm 8.31MB
  4829. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 01 - Rate of reaction.webm 8.31MB
  4830. Math/11 - Algebra I - 01 - Introduction to algebra/09 - Working with units algebraically - 03 - Thinking about reasonable units to describe a rate.webm 8.31MB
  4831. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/06 - Alkyne reactions - 01 - Reduction of alkynes.webm 8.31MB
  4832. Test prep/02 - MCAT - 07 - Behavior/04 - Theories of personality - 01 - Psychoanalytic theory.webm 8.31MB
  4833. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 02 - Masaccio, Virgin and Child Enthroned.webm 8.30MB
  4834. Math/19 - Integral calculus - 03 - Integration applications/07 - Solid of revolution volume - 06 - Disc method_ Rotating x _ f(y) around the y-axis.webm 8.30MB
  4835. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 02 - Introduction to logarithm properties (part 2).webm 8.30MB
  4836. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/03 - Cubism and its impact - 05 - Pablo Picasso, 'Guitar, Glass, and Bottle'.webm 8.30MB
  4837. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 01 - Pablo Picasso, 'Guitar, Glass, and Bottle'.webm 8.30MB
  4838. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 09 - Feminist theory.webm 8.30MB
  4839. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/03 - Cubism and its impact - 06 - Picasso, Guitar.webm 8.30MB
  4840. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 01 - GMAT_ Math 1.webm 8.30MB
  4841. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/07 - Computing with scientific notation - 01 - Multiplying in scientific notation.webm 8.30MB
  4842. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/08 - Computing with scientific notation - 01 - Multiplying in scientific notation.webm 8.30MB
  4843. Math/10 - Algebra basics - 01 - Foundations/10 - Computing with scientific notation - 01 - Multiplying in scientific notation.webm 8.30MB
  4844. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 12 - GMAT_ Math 12.webm 8.29MB
  4845. Science/03 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 03 - Half-life of a first-order reaction.webm 8.29MB
  4846. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 06 - Half-life of a first-order reaction.webm 8.29MB
  4847. Science/06 - Health and medicine - 06 - Respiratory system diseases/10 - Lung cancer - 07 - Lung cancer treatment.webm 8.29MB
  4848. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 07 - Lung cancer treatment.webm 8.29MB
  4849. Test prep/02 - MCAT - 04 - Physical processes/11 - Gas phase - 02 - Pressure and the simple mercury barometer.webm 8.29MB
  4850. Science/02 - Physics - 01 - One-dimensional motion/04 - Old videos on projectile motion - 05 - Projectile motion (part 5).webm 8.29MB
  4851. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/01 - Introduction to stocks - 02 - Bonds vs. stocks.webm 8.29MB
  4852. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/05 - Life of a company--from birth to death - 07 - Bonds vs. stocks.webm 8.29MB
  4853. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/06 - Alkyne reactions - 02 - Hydrohalogenation of alkynes.webm 8.29MB
  4854. Test prep/02 - MCAT - 07 - Behavior/10 - Learning - 08 - Observational learning_ Bobo doll experiment and social cognitive theory.webm 8.29MB
  4855. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 23 - GMAT_ Math 23.webm 8.29MB
  4856. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/05 - Keynesian thinking - 02 - Risks of Keynesian thinking.webm 8.28MB
  4857. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 18 - GMAT_ Math 18.webm 8.28MB
  4858. Math/20 - Multivariable calculus - 01 - Double and triple integrals/01 - Double integrals - 04 - Double integrals 4.webm 8.28MB
  4859. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 02 - Bernini, David.webm 8.28MB
  4860. Math/18 - Differential calculus - 02 - Taking derivatives/08 - Product and quotient rules - 08 - Quotient rule and common derivatives.webm 8.28MB
  4861. Test prep/02 - MCAT - 01 - Biomolecules/14 - Krebs (citric acid) cycle and oxidative phosphorylation - 02 - Regulation of pyruvate dehydrogenase.webm 8.28MB
  4862. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/04 - Printmaking - 01 - Introduction to printmaking.webm 8.28MB
  4863. Partner content/04 - The Museum of Modern Art - 01 - Printmaking/01 - Printmaking - 01 - Introduction to printmaking.webm 8.28MB
  4864. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 02 - Reduction of carboxylic acids.webm 8.27MB
  4865. Test prep/02 - MCAT - 05 - Chemical processes/14 - Carboxylic acids - 02 - Reduction of carboxylic acids.webm 8.27MB
  4866. Arts and humanities/07 - Renaissance and Reformation - 05 - Mannerism/01 - Mannerism - 06 - Bronzino, Portrait of Eleonora of Toledo with her son Giovanni.webm 8.27MB
  4867. Economics and finance/02 - Macroeconomics - 04 - The monetary system/03 - Fractional reserve accounting - 01 - Simple fractional reserve accounting (part 1).webm 8.27MB
  4868. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 46 - GMAT_ Math 46.webm 8.27MB
  4869. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 05 - Probability using combinations.webm 8.27MB
  4870. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 05 - Probability using combinations.webm 8.27MB
  4871. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 20 - Somatosensory tracts.webm 8.27MB
  4872. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 09 - Somatosensory tracts.webm 8.27MB
  4873. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 09 - Somatosensory tracts.webm 8.27MB
  4874. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 01 - Carboxylic acid nomenclature and properties.webm 8.27MB
  4875. Test prep/02 - MCAT - 05 - Chemical processes/14 - Carboxylic acids - 01 - Carboxylic acid nomenclature and properties.webm 8.27MB
  4876. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 33 - GMAT_ Math 33.webm 8.27MB
  4877. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 07 - Voltage.webm 8.27MB
  4878. Test prep/02 - MCAT - 04 - Physical processes/13 - Electrostatics - 07 - Voltage.webm 8.27MB
  4879. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/01 - Introduction to aldehydes and ketones - 02 - Ketone naming.webm 8.26MB
  4880. Partner content/12 - Stanford School of Medicine - 01 - Tuberculosis/01 - Tuberculosis - 06 - Extrapulmonary TB (part 1).webm 8.26MB
  4881. Science/06 - Health and medicine - 13 - Infectious diseases/01 - Tuberculosis - 06 - Extrapulmonary TB (part 1).webm 8.26MB
  4882. Math/14 - Algebra II - 02 - Functions and their graphs/07 - Piecewise functions - 02 - Graphs of absolute value functions.webm 8.26MB
  4883. Arts and humanities/09 - Becoming modern - 02 - Romanticism/02 - France - 04 - Ingres, Raphael and the Fornarina.webm 8.26MB
  4884. Partner content/02 - Tate - 02 - The art of inspiration/04 - Art and appropriation - 02 - Storm Thorgerson on René Magritte.webm 8.26MB
  4885. Math/19 - Integral calculus - 03 - Integration applications/07 - Solid of revolution volume - 03 - Volume of a sphere.webm 8.26MB
  4886. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/02 - Formation of carboxylic acid derivatives - 03 - Amides, anhydrides, esters, and acyl chlorides.webm 8.26MB
  4887. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 12 - Hydrogen deficiency index.webm 8.25MB
  4888. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 12 - Hydrogen deficiency index.webm 8.25MB
  4889. Science/07 - Discoveries and projects - 02 - Reverse engineering/02 - Hair dryer - 03 - Compare the hair dryer motor to the one you can build.webm 8.25MB
  4890. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/03 - Naming alkanes, cycloalkanes, and bicyclic compounds - 04 - Bicyclic compounds.webm 8.25MB
  4891. Test prep/02 - MCAT - 01 - Biomolecules/10 - Principles of bioenergetics - 06 - Thermodynamics vs kinetics.webm 8.25MB
  4892. Partner content/03 - The British Museum - 01 - Africa/02 - Ancient Egypt - 03 - An ancient Egyptian scribal palette in the Book of the Dead exhibition at the British Museum.webm 8.25MB
  4893. Math/14 - Algebra II - 03 - Polynomial and rational functions/03 - Quadratic inequalities - 01 - Quadratic inequalities.webm 8.24MB
  4894. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 31 - A look at a seductive but wrong Gibbs_spontaneity proof.webm 8.24MB
  4895. Science/03 - Chemistry - 11 - Thermodynamics/04 - Gibbs free energy - 04 - A look at a seductive but wrong Gibbs_spontaneity proof.webm 8.24MB
  4896. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 04 - Review and intuition why we divide by n-1 for the unbiased sample variance.webm 8.24MB
  4897. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 09 - Paint Application Studies of Jackson Pollock's Mural.webm 8.24MB
  4898. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 15 - Paint Application Studies of Jackson Pollock's Mural.webm 8.24MB
  4899. Science/02 - Physics - 01 - One-dimensional motion/02 - Acceleration - 03 - Airbus A380 take-off distance.webm 8.24MB
  4900. Test prep/02 - MCAT - 04 - Physical processes/03 - Acceleration - 03 - Airbus A380 take-off distance.webm 8.24MB
  4901. Science/06 - Health and medicine - 06 - Respiratory system diseases/07 - Pulmonary hypertension - 02 - Pulmonary hypertension symptoms and causes.webm 8.24MB
  4902. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 02 - Pulmonary hypertension symptoms and causes.webm 8.24MB
  4903. Math/11 - Algebra I - 09 - Functions/10 - Classic function videos - 02 - Functions (part 2).webm 8.24MB
  4904. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/04 - IS-LM model - 02 - Connecting the keynesian cross to the IS curve.webm 8.24MB
  4905. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/05 - Spain - 02 - Velázquez, Vulcan's Forge.webm 8.24MB
  4906. Math/21 - Differential equations - 01 - First order differential equations/01 - Intro to differential equations - 01 - Differential equation introduction.webm 8.24MB
  4907. Math/05 - 6th grade (U.S.) - 04 - Properties of numbers/02 - Greatest common factor - 03 - LCM and GCF word problems.webm 8.24MB
  4908. Math/09 - Pre-algebra - 02 - Factors and multiples/06 - Greatest common factor - 03 - LCM and GCF word problems.webm 8.24MB
  4909. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 16 - GMAT_ Data sufficiency 16.webm 8.23MB
  4910. Math/19 - Integral calculus - 03 - Integration applications/07 - Solid of revolution volume - 05 - Shell method to rotate around y-axis.webm 8.23MB
  4911. Math/10 - Algebra basics - 03 - Linear equations and inequalities/06 - Direct and inverse variation - 02 - Recognizing direct and inverse variation.webm 8.23MB
  4912. Math/11 - Algebra I - 09 - Functions/04 - Direct and inverse variation - 02 - Recognizing direct and inverse variation.webm 8.23MB
  4913. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/01 - Blood pressure - 03 - Resistance in a tube.webm 8.23MB
  4914. Test prep/02 - MCAT - 03 - Organ systems/07 - Circulatory system - 08 - Resistance in a tube.webm 8.23MB
  4915. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 13 - Resistance in a tube.webm 8.23MB
  4916. Test prep/03 - NCLEX-RN - 02 - Circulatory system/01 - Circulatory system - 07 - Resistance in a tube.webm 8.23MB
  4917. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 10 - How white blood cells move around.webm 8.23MB
  4918. Test prep/02 - MCAT - 03 - Organ systems/11 - Immune system - 10 - How white blood cells move around.webm 8.23MB
  4919. Test prep/03 - NCLEX-RN - 09 - Immune system/01 - Immune system - 10 - How white blood cells move around.webm 8.23MB
  4920. Arts and humanities/10 - Age of global conflict - 05 - Figuration and abstraction in post-war Britain/01 - Figuration and abstraction in post-war Britain - 03 - Room_ 1960s.webm 8.23MB
  4921. Partner content/02 - Tate - 01 - Meet 500 years of British art/05 - Mid-century to today_ Modernism and its legacy - 03 - Room_ 1960s.webm 8.23MB
  4922. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/09 - Taylor series approximations - 01 - Visualizing Taylor series approximations.webm 8.22MB
  4923. Science/03 - Chemistry - 07 - States of matter and intermolecular forces/01 - States of matter - 12 - Change of state example.webm 8.22MB
  4924. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 04 - Pegging the yuan.webm 8.22MB
  4925. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/03 - Solubility equilibria - 05 - Solubility and the common-ion effect.webm 8.21MB
  4926. Test prep/02 - MCAT - 05 - Chemical processes/03 - Solubility equilibria - 05 - Solubility and the common-ion effect.webm 8.21MB
  4927. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 02 - GMAT_ Data sufficiency 2.webm 8.21MB
  4928. Science/06 - Health and medicine - 06 - Respiratory system diseases/03 - Emphysema (COPD) - 03 - Emphysema diagnosis.webm 8.21MB
  4929. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 03 - Emphysema diagnosis.webm 8.21MB
  4930. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 12 - Monet, Rouen Cathedral Series.webm 8.20MB
  4931. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/01 - Radians - 10 - Radians and degrees.webm 8.20MB
  4932. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/03 - Line integrals in vector fields - 07 - Closed curve line integrals of conservative vector fields.webm 8.20MB
  4933. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/05 - Tests for convergence and divergence - 10 - Integral test to show series divergence.webm 8.20MB
  4934. Test prep/02 - MCAT - 04 - Physical processes/11 - Gas phase - 08 - Real gases and the van der Waals equation.webm 8.20MB
  4935. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/16 - Dave Gilboa and Neil Blumenthal - Co-founders and Co-CEOs of Warby Parker - 02 - It was just mayhem.webm 8.19MB
  4936. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/11 - The art of dress - 07 - 'Nosing Around' with Julie Jones.webm 8.19MB
  4937. Test prep/02 - MCAT - 07 - Behavior/04 - Theories of personality - 07 - Observational learning_ Bobo doll experiment and social cognitive theory.webm 8.19MB
  4938. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 04 - Hydroboration-oxidation.webm 8.19MB
  4939. Science/03 - Chemistry - 03 - Electronic structure of atoms/03 - Electron configurations - 05 - Electron configuration for f block element Nd.webm 8.18MB
  4940. Science/02 - Physics - 04 - Work and energy/01 - Work and energy - 01 - Introduction to work and energy.webm 8.18MB
  4941. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 01 - Introduction to work and energy.webm 8.18MB
  4942. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/05 - Arterial stiffness - 01 - Compliance and elastance.webm 8.18MB
  4943. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 02 - E1 elimination_ Regioselectivity and stereoselectivity.webm 8.18MB
  4944. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 06 - Sepsis_ Systemic inflammatory response syndrome (SIRS) to multiple organ dysfunction syndrome (MODS).webm 8.18MB
  4945. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 06 - Sepsis_ Systemic inflammatory response syndrome (SIRS) to multiple organ dysfunction syndrome (MODS).webm 8.18MB
  4946. Math/21 - Differential equations - 02 - Second order linear equations/01 - Linear homogeneous equations - 04 - 2nd order linear homogeneous differential equations 4.webm 8.18MB
  4947. Science/06 - Health and medicine - 12 - Executive systems of the brain/04 - Memory - 02 - Encoding strategies.webm 8.17MB
  4948. Test prep/02 - MCAT - 06 - Processing the environment/09 - Memory - 02 - Encoding strategies.webm 8.17MB
  4949. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/05 - 2D divergence theorem - 01 - Constructing a unit normal vector to a curve.webm 8.17MB
  4950. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 13 - Illinois pension obligations.webm 8.17MB
  4951. Math/13 - Geometry - 03 - Congruence/02 - Congruence postulates - 06 - More on why SSA is not a postulate.webm 8.17MB
  4952. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/03 - The supply curve - 02 - Factors affecting supply.webm 8.17MB
  4953. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/08 - Observations - 01 - 'Celestial' with Clare Vincent.webm 8.16MB
  4954. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 03 - IIT JEE perpendicular plane (part 2).webm 8.16MB
  4955. Math/19 - Integral calculus - 02 - Integration techniques/02 - u-substitution - 06 - (2^(ln x))_x antiderivative example.webm 8.16MB
  4956. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/04 - Nomenclature and reactions of carboxylic acid derivatives - 03 - Nomenclature and properties of amides.webm 8.15MB
  4957. Test prep/02 - MCAT - 05 - Chemical processes/15 - Carboxylic acid derivatives - 03 - Nomenclature and properties of amides.webm 8.15MB
  4958. Science/03 - Chemistry - 03 - Electronic structure of atoms/03 - Electron configurations - 10 - Paramagnetism and diamagnetism.webm 8.15MB
  4959. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 15 - Paramagnetism and diamagnetism.webm 8.15MB
  4960. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 17 - Raphael, Madonna of the Goldfinch.webm 8.15MB
  4961. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/02 - Neuron membrane potentials - 05 - Neuron action potential description.webm 8.15MB
  4962. Test prep/02 - MCAT - 03 - Organ systems/03 - Neuron membrane potentials - 05 - Neuron action potential description.webm 8.15MB
  4963. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 15 - DLab_ Exhibition day.webm 8.15MB
  4964. Math/13 - Geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 05 - 45-45-90 triangles.webm 8.15MB
  4965. Math/14 - Algebra II - 01 - Systems of equations and inequalities/04 - Non-linear systems of equations - 02 - Estimating a solution to nonlinear system with calculator.webm 8.15MB
  4966. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 13 - Ordering numeric expressions.webm 8.15MB
  4967. Math/08 - Arithmetic - 05 - Fractions/14 - Decimals and fractions - 12 - Ordering numeric expressions.webm 8.15MB
  4968. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 12 - Ordering numeric expressions.webm 8.15MB
  4969. Math/09 - Pre-algebra - 04 - Fractions/14 - Decimals and fractions - 12 - Ordering numeric expressions.webm 8.15MB
  4970. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/03 - James Madison - 02 - Overview_ James Madison.webm 8.14MB
  4971. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 49 - GMAT_ Math 49.webm 8.14MB
  4972. Math/11 - Algebra I - 05 - Systems of equations and inequalities/09 - Systems with three variables - 01 - Systems of three variables.webm 8.14MB
  4973. Math/14 - Algebra II - 01 - Systems of equations and inequalities/03 - Systems with three variables - 01 - Systems of three variables.webm 8.14MB
  4974. Math/13 - Geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 07 - Pythagorean theorem II.webm 8.14MB
  4975. Math/13 - Geometry - 02 - Angles and intersecting lines/04 - Sal's old angle videos - 01 - Introduction to angles (old).webm 8.14MB
  4976. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 08 - Cézanne, Still Life with Plaster Cupid.webm 8.13MB
  4977. Test prep/02 - MCAT - 07 - Behavior/06 - Motivation and attitudes - 01 - Physiological concept of positive and negative feedback.webm 8.13MB
  4978. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/01 - Beginning of World War I - 04 - Language and religion of the former Yugoslavia.webm 8.13MB
  4979. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 06 - How DNA is replicated 2.webm 8.13MB
  4980. Test prep/02 - MCAT - 01 - Biomolecules/07 - Mendelian genetics - 02 - Co-dominance and Incomplete Dominance.webm 8.13MB
  4981. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 02 - Titration calculation example.webm 8.13MB
  4982. Test prep/02 - MCAT - 05 - Chemical processes/02 - Titrations - 02 - Titration calculation example.webm 8.13MB
  4983. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 32 - GMAT_ Data sufficiency 31.webm 8.13MB
  4984. Science/04 - Organic chemistry - 09 - Aromatic compounds/01 - Naming benzene derivatives - 01 - Naming benzene derivatives introduction.webm 8.13MB
  4985. Math/18 - Differential calculus - 02 - Taking derivatives/05 - Derivative properties and intuition - 01 - Using derivative properties.webm 8.13MB
  4986. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/03 - Exponent properties - 02 - Exponent properties involving quotients.webm 8.12MB
  4987. Math/10 - Algebra basics - 06 - Expressions and equations with exponents/02 - Exponent properties - 02 - Exponent properties involving quotients.webm 8.12MB
  4988. Partner content/18 - NASA - 03 - Exploring the Universe/03 - Curiosity rover_ mission briefing - 06 - Introduction to SAM.webm 8.12MB
  4989. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 12 - Return on capital and economic growth.webm 8.11MB
  4990. Arts and humanities/09 - Becoming modern - 02 - Romanticism/02 - France - 06 - Delacroix, Scene of the massacre at Chios.webm 8.11MB
  4991. Math/17 - Precalculus - 03 - Parametric equations and polar coordinates/02 - Polar coordinates - 02 - Polar coordinates 2.webm 8.11MB
  4992. Math/15 - Trigonometry - 03 - Graphs of trig functions/01 - Graphs of trig functions - 10 - Plotting maxima, minima and midline intersections of trig function.webm 8.11MB
  4993. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 01 - Adding and subtracting rational expressions.webm 8.10MB
  4994. Math/14 - Algebra II - 04 - Rational expressions/02 - Adding and subtracting rational expressions - 04 - Adding and subtracting rational expressions.webm 8.10MB
  4995. Economics and finance/01 - Microeconomics - 06 - Forms of competition/03 - Between perfect competition and monopoly - 03 - Oligopolies, duopolies, collusion, and cartels.webm 8.10MB
  4996. Math/11 - Algebra I - 01 - Introduction to algebra/07 - Super Yoga plans - 04 - Super Yoga plans_ Solving systems by substitution.webm 8.10MB
  4997. Math/11 - Algebra I - 02 - Linear equations/02 - Super Yoga plans - 04 - Super Yoga plans_ Solving systems by substitution.webm 8.10MB
  4998. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/07 - Nature - 03 - 'Shellshocked' with Yassana Croizat-Glazer.webm 8.10MB
  4999. Math/17 - Precalculus - 06 - Sequences, series and induction/04 - Finite geometric series - 03 - Formula for a finite geometric series.webm 8.10MB
  5000. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/04 - Geometric series - 02 - Formula for a finite geometric series.webm 8.10MB
  5001. Math/11 - Algebra I - 05 - Systems of equations and inequalities/02 - Super fast systems of equations - 06 - Old video on systems of equations.webm 8.10MB
  5002. Math/13 - Geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 04 - Area of a regular hexagon.webm 8.10MB
  5003. Math/02 - 3rd grade (U.S.) - 06 - Expressions and patterns/01 - Properties and patterns in arithmetic - 02 - Properties and patterns for multiplication.webm 8.09MB
  5004. Arts and humanities/03 - Art history basics - 01 - First things first/01 - First things first - 04 - The skill of describing.webm 8.09MB
  5005. Math/03 - 4th grade (U.S.) - 05 - Geometry/02 - Angles - 05 - Measuring angles in degrees.webm 8.09MB
  5006. Math/03 - 4th grade (U.S.) - 05 - Geometry/03 - Interpreting and constructing angles - 02 - Measuring angles in degrees.webm 8.09MB
  5007. Math/12 - Basic geometry - 02 - Angles/01 - Angle basics - 05 - Measuring angles in degrees.webm 8.09MB
  5008. Math/12 - Basic geometry - 02 - Angles/02 - Interpreting angles - 02 - Measuring angles in degrees.webm 8.09MB
  5009. Math/13 - Geometry - 02 - Angles and intersecting lines/01 - Angle basics and measurement - 02 - Measuring angles in degrees.webm 8.09MB
  5010. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/01 - Naming carboxylic acids - 01 - Carboxylic acid introduction.webm 8.09MB
  5011. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 06 - Millet, The Gleaners.webm 8.09MB
  5012. Math/23 - Recreational math - 03 - Math warmups/05 - Arithmetic warmups - 03 - Addition with carrying warmup.webm 8.09MB
  5013. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 36 - GMAT_ Math 36.webm 8.09MB
  5014. Math/13 - Geometry - 04 - Similarity/04 - Old school similarity - 01 - Similar triangles.webm 8.09MB
  5015. Science/04 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 03 - Mixed (crossed) aldol condensation.webm 8.08MB
  5016. Test prep/02 - MCAT - 05 - Chemical processes/11 - Alpha-carbon chemistry - 06 - Mixed (crossed) aldol condensation.webm 8.08MB
  5017. Arts and humanities/04 - Prehistoric art - 01 - Paleolithic art/01 - Paleolithic art - 01 - Nude woman (Venus of Willendorf).webm 8.08MB
  5018. Science/06 - Health and medicine - 06 - Respiratory system diseases/09 - Pleural Effusion - 01 - What is a pleural effusion_.webm 8.08MB
  5019. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/09 - Pleural effusion - 01 - What is a pleural effusion_.webm 8.08MB
  5020. Test prep/02 - MCAT - 05 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 03 - Lipids as cofactors and signaling molecules.webm 8.08MB
  5021. Math/05 - 6th grade (U.S.) - 06 - Geometry/02 - Finding area - 01 - Perimeter and area_ the basics.webm 8.08MB
  5022. Math/10 - Algebra basics - 01 - Foundations/11 - Perimeter and area of triangles - 01 - Perimeter and area_ the basics.webm 8.08MB
  5023. Math/12 - Basic geometry - 05 - Area and perimeter/01 - Area and perimeter of polygons - 01 - Perimeter and area_ the basics.webm 8.08MB
  5024. Math/13 - Geometry - 06 - Perimeter, area, and volume/01 - Perimeter and area of triangles - 01 - Perimeter and area_ the basics.webm 8.08MB
  5025. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 17 - Fallacies_ Denying the antecedent.webm 8.08MB
  5026. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 05 - Banking 5_ Introduction to bank notes.webm 8.07MB
  5027. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 07 - GMAT_ Math 7.webm 8.07MB
  5028. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/04 - Molecular composition - 06 - Another mass composition problem.webm 8.07MB
  5029. Math/05 - 6th grade (U.S.) - 07 - Data and statistics/02 - Statistical questions - 01 - Statistical and non statistical questions.webm 8.07MB
  5030. Math/16 - Probability and statistics - 03 - Statistical studies/01 - Statistical questions - 01 - Statistical and non statistical questions.webm 8.07MB
  5031. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/03 - The Constitution of the United States - 09 - The Constitution and the Bill of Rights_ Amendments 4, 5, 10.webm 8.07MB
  5032. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 12 - Correggio, Jupiter and Io.webm 8.07MB
  5033. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 05 - IIT JEE complex root probability (part 2).webm 8.07MB
  5034. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/03 - Alkene nomenclature - 02 - Alkene nomenclature.webm 8.07MB
  5035. Test prep/02 - MCAT - 07 - Behavior/07 - Social psychology - 01 - Conformity and groupthink.webm 8.06MB
  5036. Science/06 - Health and medicine - 02 - Human anatomy and physiology/10 - Integumentary system introduction - 09 - Ruffini's Ending and Hair Follicle Receptor.webm 8.06MB
  5037. Test prep/02 - MCAT - 03 - Organ systems/17 - Integumentary system - 09 - Ruffini's Ending and Hair Follicle Receptor.webm 8.06MB
  5038. Math/13 - Geometry - 08 - Special properties and parts of triangles/02 - Angle bisectors - 04 - Angle bisector theorem proof.webm 8.06MB
  5039. Math/19 - Integral calculus - 02 - Integration techniques/05 - Trigonometric substitution - 07 - Integrals_ Trig substitution 2.webm 8.06MB
  5040. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 09 - CAHSEE practice_ Problems 28-31.webm 8.06MB
  5041. Science/02 - Physics - 07 - Gravitation/01 - Newton's law of gravitation - 07 - Introduction to Newton's law of gravitation.webm 8.05MB
  5042. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/02 - The demand curve - 01 - Law of demand.webm 8.05MB
  5043. Science/04 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 02 - Halogenation.webm 8.04MB
  5044. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 11 - Unit vector notation (part 2).webm 8.04MB
  5045. Test prep/02 - MCAT - 04 - Physical processes/01 - Vectors and scalars - 04 - Unit vector notation (part 2).webm 8.04MB
  5046. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 02 - 'Girl Before a Mirror' by Pablo Picasso, 1932 - MoMA Education.webm 8.04MB
  5047. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 11 - Caryatid and column from the Erechtheion.webm 8.04MB
  5048. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 01 - Thermodynamics (part 1).webm 8.04MB
  5049. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/02 - Books, music, and literature - 04 - 'Phenomenon' with Bradley Strauchen-Scherer.webm 8.03MB
  5050. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 03 - Naming alkanes with alkyl groups.webm 8.03MB
  5051. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/07 - Ben Milne - CEO of Dwolla - 02 - Ben Milne - Importance of Curiosity.webm 8.03MB
  5052. Partner content/04 - The Museum of Modern Art - 03 - Behind the scenes at MoMA/01 - Behind the scenes at MoMA - 10 - Conservation - René Magritte, 'The Palace of Curtains, III,' 1928-29.webm 8.03MB
  5053. Science/06 - Health and medicine - 02 - Human anatomy and physiology/03 - Hematologic system introduction - 03 - Blood types.webm 8.03MB
  5054. Test prep/02 - MCAT - 03 - Organ systems/08 - Hematologic system - 04 - Blood types.webm 8.03MB
  5055. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/01 - Economic profit and opportunity cost - 01 - Economic profit vs accounting profit.webm 8.03MB
  5056. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 14 - Assessing alignment of the lateral cervical spine (neck) X-ray.webm 8.03MB
  5057. Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 10 - What should we learn next_.webm 8.02MB
  5058. Math/13 - Geometry - 02 - Angles and intersecting lines/04 - Sal's old angle videos - 02 - Angles (part 2).webm 8.02MB
  5059. Computing/02 - Computer science - 01 - Algorithms/01 - Intro to algorithms - 01 - What is an algorithm and why should you care_.webm 8.02MB
  5060. Partner content/21 - Dartmouth College - 01 - Learn Algorithms with Dartmouth College/01 - Learn Algorithms with Dartmouth College - 01 - What is an algorithm and why should you care_.webm 8.02MB
  5061. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 04 - Doppler effect formula for observed frequency.webm 8.02MB
  5062. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 11 - Doppler effect formula for observed frequency.webm 8.02MB
  5063. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 06 - Disc method rotation around horizontal line.webm 8.01MB
  5064. Test prep/02 - MCAT - 08 - Individuals and society/03 - Social behavior - 06 - Aggression.webm 8.01MB
  5065. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 07 - Aggression.webm 8.01MB
  5066. Test prep/02 - MCAT - 02 - Cells/01 - Cell membrane overview - 03 - Cell membrane overview and fluid mosaic model.webm 8.01MB
  5067. Math/16 - Probability and statistics - 03 - Statistical studies/02 - Types of statistical studies - 01 - Types of statistical studies.webm 8.00MB
  5068. Partner content/19 - Big History Project - 10 - 10. The Future/03 - 10.2—Looking Forward - 01 - Threshold 9_ The Future.webm 8.00MB
  5069. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/09 - Hans Holbein - 02 - Holbein the Younger, the Merchant Georg Gisze.webm 8.00MB
  5070. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 09 - Inverse relationship between capital price and returns.webm 7.99MB
  5071. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 06 - 'Dive Bomber and Tank' by Jose Clemente Orozco, 1940 - MoMA Education.webm 7.99MB
  5072. Math/17 - Precalculus - 01 - Vectors/03 - Vectors in magnitude and direction form - 05 - Magnitude and direction of vector sums.webm 7.99MB
  5073. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/06 - Late classical (4th century) - 02 - Lysippos, Apoxyomenos (Scraper).webm 7.99MB
  5074. Math/11 - Algebra I - 09 - Functions/03 - Domain and range - 03 - Domain and range of a function given a formula.webm 7.99MB
  5075. Math/14 - Algebra II - 02 - Functions and their graphs/03 - Domain and range - 03 - Domain and range of a function given a formula.webm 7.99MB
  5076. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 07 - Oxidizing and reducing agents.webm 7.98MB
  5077. Test prep/02 - MCAT - 04 - Physical processes/30 - Redox reactions - 01 - Oxidizing and reducing agents.webm 7.98MB
  5078. Arts and humanities/10 - Age of global conflict - 03 - World War I, Futurism and Dada/02 - Dada - 03 - '3 Standard Stoppages,' Marcel Duchamp.webm 7.98MB
  5079. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 19 - '3 Standard Stoppages,' Marcel Duchamp.webm 7.98MB
  5080. Science/06 - Health and medicine - 06 - Respiratory system diseases/07 - Pulmonary hypertension - 03 - Hypoxic vasoconstriction.webm 7.97MB
  5081. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 03 - Hypoxic vasoconstriction.webm 7.97MB
  5082. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 15 - Doppler effect_ reflection off a moving object.webm 7.97MB
  5083. Economics and finance/02 - Macroeconomics - 04 - The monetary system/01 - Fractional reserve banking - 01 - Overview of fractional reserve banking.webm 7.97MB
  5084. Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/01 - Balance of payments- current account and capital account - 02 - Balance of payments_ Capital account.webm 7.97MB
  5085. Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 09 - RSA encryption_ Step 4.webm 7.97MB
  5086. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 36 - GMAT_ Data sufficiency 35.webm 7.96MB
  5087. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/02 - Multiplying using grids and area models to visualize - 04 - Multiplying_ using an area model.webm 7.96MB
  5088. Math/08 - Arithmetic - 02 - Multiplication and division/10 - Area models and multiplication - 02 - Multiplying_ using an area model.webm 7.96MB
  5089. Math/13 - Geometry - 03 - Congruence/02 - Congruence postulates - 02 - SSS to show a radius is perpendicular to a chord that it bisects.webm 7.96MB
  5090. Math/13 - Geometry - 07 - Circles/04 - Area of inscribed triangle - 01 - SSS to show a radius is perpendicular to a chord that it bisects.webm 7.96MB
  5091. Science/02 - Physics - 05 - Impacts and linear momentum/01 - Momentum - 01 - Introduction to momentum.webm 7.96MB
  5092. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 09 - More percent problems.webm 7.96MB
  5093. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 05 - Paul Gauguin, Vision after the Sermon, or Jacob Wrestling with the Angel.webm 7.96MB
  5094. Math/14 - Algebra II - 03 - Polynomial and rational functions/13 - Asymptotes and graphing rational functions - 02 - Another rational function graph example.webm 7.95MB
  5095. Math/14 - Algebra II - 04 - Rational expressions/03 - Graphing rational functions - 03 - Another rational function graph example.webm 7.95MB
  5096. Math/14 - Algebra II - 04 - Rational expressions/01 - Simplifying rational expressions - 05 - Simplifying rational expressions example 2.webm 7.95MB
  5097. Math/22 - Linear algebra - 02 - Matrix transformations/06 - More determinant depth - 04 - Duplicate row determinant.webm 7.95MB
  5098. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/03 - Surrealism - 04 - Dali, Metamorphosis of Narcissus.webm 7.95MB
  5099. Science/06 - Health and medicine - 06 - Respiratory system diseases/04 - Chronic Bronchitis (COPD) - 02 - Chronic bronchitis pathophysiology.webm 7.95MB
  5100. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/04 - Chronic bronchitis (COPD) - 02 - Chronic bronchitis pathophysiology.webm 7.95MB
  5101. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 12 - D. W. Griffith, 'The Mothering Heart'.webm 7.94MB
  5102. Test prep/02 - MCAT - 07 - Behavior/05 - Psychological disorders - 01 - Introduction to mental disorders.webm 7.94MB
  5103. Math/08 - Arithmetic - 01 - Addition and subtraction/03 - Addition with carrying - 04 - Addition 4.webm 7.94MB
  5104. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/02 - Asia, Africa, Europe, Latin America and the Middle East - 11 - Room_ 1970s and 1980s.webm 7.94MB
  5105. Partner content/02 - Tate - 01 - Meet 500 years of British art/05 - Mid-century to today_ Modernism and its legacy - 04 - Room_ 1970s and 1980s.webm 7.94MB
  5106. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/02 - Average costs (ATC, MC) and marginal revenue (MR) - 04 - Long term supply curve and economic profit.webm 7.94MB
  5107. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/06 - Systems word problems - 02 - Linear systems word problem with substitution.webm 7.93MB
  5108. Math/10 - Algebra basics - 05 - Systems of equations/02 - Systems of equations word problems - 02 - Linear systems word problem with substitution.webm 7.93MB
  5109. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 02 - Linear systems word problem with substitution.webm 7.93MB
  5110. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 05 - Preparation of mesylates and tosylates.webm 7.93MB
  5111. Test prep/02 - MCAT - 05 - Chemical processes/13 - Alcohols and phenols - 06 - Preparation of mesylates and tosylates.webm 7.93MB
  5112. Science/04 - Organic chemistry - 12 - Alpha carbon chemistry/02 - Aldol condensations - 04 - Mixed (crossed) aldol condensation using a lithium enolate.webm 7.93MB
  5113. Test prep/02 - MCAT - 05 - Chemical processes/11 - Alpha-carbon chemistry - 07 - Mixed (crossed) aldol condensation using a lithium enolate.webm 7.93MB
  5114. Test prep/02 - MCAT - 05 - Chemical processes/07 - Separations and purifications - 07 - Gas chromatography.webm 7.92MB
  5115. Partner content/19 - Big History Project - 01 - 1. What Is Big History_/01 - 1.0—Welcome to Big History - 01 - The Big History.webm 7.92MB
  5116. Test prep/02 - MCAT - 04 - Physical processes/11 - Gas phase - 04 - Derivation of gas constants using molar volume and STP.webm 7.91MB
  5117. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 02 - Ka and pKa derivation.webm 7.91MB
  5118. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/01 - United States - 02 - Hesse, Untitled (Rope Piece).webm 7.91MB
  5119. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/04 - Nomenclature and properties of ethers - 03 - Properties of ethers and crown ethers.webm 7.91MB
  5120. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 02 - Shock - hemodynamics.webm 7.91MB
  5121. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 02 - Shock - hemodynamics.webm 7.91MB
  5122. Partner content/19 - Big History Project - 06 - 6. Early Humans/03 - 6.2—Collective Learning - 01 - Collective Learning at Scale.webm 7.91MB
  5123. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/01 - Photography before 1970 - 10 - Ansel Adams_ Climbing Half Dome, Yosemite.webm 7.90MB
  5124. Test prep/02 - MCAT - 05 - Chemical processes/09 - Proteins - 06 - Conformational stability_ Protein folding and denaturation.webm 7.90MB
  5125. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 16 - Fallacies_ Affirming the consequent.webm 7.90MB
  5126. Math/21 - Differential equations - 01 - First order differential equations/06 - Exact equations and integrating factors - 07 - Integrating factors 2.webm 7.90MB
  5127. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/01 - The modern U.S. Supreme Court on privacy and civil liberties - 06 - U.S. Supreme Court Justice Anthony Kennedy on civil liberties and privacy.webm 7.90MB
  5128. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/05 - Sculpture - 01 - Carpeaux, Dance.webm 7.89MB
  5129. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 11 - GMAT_ Data sufficiency 11.webm 7.89MB
  5130. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/02 - The square root - 04 - Simplifying radicals.webm 7.89MB
  5131. Math/10 - Algebra basics - 01 - Foundations/04 - The square root - 03 - Simplifying radicals.webm 7.89MB
  5132. Math/22 - Linear algebra - 02 - Matrix transformations/07 - Transpose of a matrix - 04 - Transposes of sums and inverses.webm 7.89MB
  5133. Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/01 - Balance of payments- current account and capital account - 03 - Why current and capital accounts net out.webm 7.89MB
  5134. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 12 - Anaphylactic shock.webm 7.88MB
  5135. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 12 - Anaphylactic shock.webm 7.88MB
  5136. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 02 - Degas, At the Races in the Countryside.webm 7.88MB
  5137. Math/08 - Arithmetic - 05 - Fractions/07 - Adding and subtracting fractions with unlike denominators - 02 - Adding and subtracting fractions.webm 7.87MB
  5138. Math/09 - Pre-algebra - 04 - Fractions/06 - Adding and subtracting fractions with unlike denominators - 02 - Adding and subtracting fractions.webm 7.87MB
  5139. Math/18 - Differential calculus - 03 - Derivative applications/03 - Critical points and graphing with calculus - 04 - Identifying minima and maxima for x^3 - 12x _ 2.webm 7.87MB
  5140. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/01 - Beginning of World War I - 05 - Assassination of Franz Ferdinand by Gavrilo Princip.webm 7.87MB
  5141. Science/03 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 09 - More exponential decay examples.webm 7.87MB
  5142. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 12 - More exponential decay examples.webm 7.87MB
  5143. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/02 - Graphing solutions to equations - 10 - Graphing lines 1.webm 7.87MB
  5144. Science/02 - Physics - 01 - One-dimensional motion/03 - Kinematic formulas and projectile motion - 08 - Viewing g as the value of Earth's gravitational field near the surface.webm 7.87MB
  5145. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/08 - Solving equations for beginners - 01 - Simple equations of the form ax _ b.webm 7.87MB
  5146. Math/10 - Algebra basics - 03 - Linear equations and inequalities/01 - Solving basic equations - 01 - Simple equations of the form ax _ b.webm 7.87MB
  5147. Math/11 - Algebra I - 02 - Linear equations/03 - Equations for beginners - 01 - Simple equations of the form ax _ b.webm 7.87MB
  5148. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/04 - Metric system unit conversion - 01 - Unit conversion within the metric system.webm 7.87MB
  5149. Science/02 - Physics - 06 - Moments, torque, and angular momentum/01 - Torque, moments, and angular momentum - 01 - Center of mass.webm 7.86MB
  5150. Test prep/02 - MCAT - 04 - Physical processes/04 - Newton's laws and equilibrium - 06 - Center of mass.webm 7.86MB
  5151. Partner content/09 - Asian Art Museum - 11 - Art Conservation/01 - Art Conservation - 02 - Conservation_ copper paint deterioration.webm 7.86MB
  5152. Math/11 - Algebra I - 07 - Quadratic equations/08 - Quadratic odds and ends - 07 - Quadratic equation part 2.webm 7.86MB
  5153. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 14 - Functions of the nervous system.webm 7.86MB
  5154. Test prep/02 - MCAT - 03 - Organ systems/01 - Biological basis of behavior_ The nervous system - 02 - Functions of the nervous system.webm 7.86MB
  5155. Test prep/02 - MCAT - 07 - Behavior/01 - Biological basis of behavior_ Nervous system - 02 - Functions of the nervous system.webm 7.86MB
  5156. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 04 - Disc method (washer method) for rotation around x-axis.webm 7.86MB
  5157. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/03 - Trig functions of special angles - 02 - Finding trig functions of special angles example.webm 7.85MB
  5158. Arts and humanities/12 - Arts of the Islamic world - 04 - Late period/01 - Late period - 07 - Two portraits, two views.webm 7.85MB
  5159. Partner content/03 - The British Museum - 03 - Asia/05 - Iran - 02 - Two portraits, two views.webm 7.85MB
  5160. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 03 - AP Calculus BC exams_ 2008 1 candd.webm 7.85MB
  5161. Math/14 - Algebra II - 08 - Conic sections/05 - Hyperbolas - 02 - Conic sections_ Hyperbolas 2.webm 7.85MB
  5162. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 16 - GMAT_ Math 16.webm 7.85MB
  5163. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 08 - Septic shock_ Diagnosis and treatment.webm 7.84MB
  5164. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 08 - Septic shock_ Diagnosis and treatment.webm 7.84MB
  5165. Arts and humanities/08 - Monarchy and enlightenment - 04 - Britain and America in the Age of Revolution/01 - Britain in the age of revolution - 05 - Room_ 1760-1780.webm 7.84MB
  5166. Partner content/02 - Tate - 01 - Meet 500 years of British art/02 - 16th to 18th century_ Dynasty, revolution, and the Classical Age - 04 - Room_ 1760-1780.webm 7.84MB
  5167. Math/20 - Multivariable calculus - 02 - Partial derivatives, gradient, divergence, curl/04 - Curl - 01 - Curl 1.webm 7.84MB
  5168. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 04 - 'Self-Portrait with Cropped Hair' by Frida Kahlo, 1940 - MoMA Education.webm 7.84MB
  5169. Math/17 - Precalculus - 02 - Matrices/07 - Matrix equations - 01 - Matrix equations and systems.webm 7.84MB
  5170. Math/21 - Differential equations - 02 - Second order linear equations/02 - Complex and repeated roots of characteristic equation - 05 - Repeated roots of the characteristic equations part 2.webm 7.84MB
  5171. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 02 - AP Calculus BC exams_ 2008 1 bandc.webm 7.84MB
  5172. Math/07 - 8th grade (U.S.) - 05 - Geometry/05 - Pythagorean theorem proofs - 02 - Bhaskara's proof of the Pythagorean theorem.webm 7.84MB
  5173. Math/12 - Basic geometry - 07 - The Pythagorean theorem/03 - Pythagorean theorem proofs - 02 - Bhaskara's proof of the Pythagorean theorem.webm 7.84MB
  5174. Math/13 - Geometry - 05 - Right triangles and trigonometry/02 - Pythagorean theorem proofs - 02 - Bhaskara's proof of the Pythagorean theorem.webm 7.84MB
  5175. Math/11 - Algebra I - 07 - Quadratic equations/08 - Quadratic odds and ends - 06 - Introduction to the quadratic equation.webm 7.83MB
  5176. Math/11 - Algebra I - 10 - Ratios and proportions/02 - Advanced ratios, proportions, and rates - 05 - Alternate solution to ratio problem.webm 7.83MB
  5177. Arts and humanities/10 - Age of global conflict - 03 - World War I, Futurism and Dada/01 - Futurism and the Great War - 01 - Umberto Boccioni, 'Dynamism of a Soccer Player'.webm 7.83MB
  5178. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 02 - Umberto Boccioni, 'Dynamism of a Soccer Player'.webm 7.83MB
  5179. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 06 - 2003 AIME II problem 4 (part 2).webm 7.82MB
  5180. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/07 - Binary and hexadecimal number systems - 01 - Introduction to number systems and binary.webm 7.82MB
  5181. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/02 - Shorting stock - 03 - Shorting stock 2.webm 7.82MB
  5182. Economics and finance/03 - Finance and capital markets - 02 - Housing/01 - Home equity and personal balance sheets - 03 - Home equity loans.webm 7.82MB
  5183. Science/02 - Physics - 01 - One-dimensional motion/04 - Old videos on projectile motion - 02 - Projectile motion (part 2).webm 7.82MB
  5184. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 10 - Cézanne, Still Life with Apples.webm 7.82MB
  5185. Arts and humanities/09 - Becoming modern - 02 - Romanticism/02 - France - 02 - Ingres, La Grande Odalisque.webm 7.82MB
  5186. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./01 - Enlightenment and revolution - 03 - Ingres, La Grande Odalisque.webm 7.82MB
  5187. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/06 - Aftermath of World War I - 04 - More detail on the Treaty of Versailles and Germany.webm 7.82MB
  5188. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/09 - Power - 02 - 'Over the Top' with Beth Carver Wees.webm 7.81MB
  5189. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/03 - Formal charge and resonance - 04 - Resonance structure patterns.webm 7.81MB
  5190. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/03 - The Reconstruction Amendments - 03 - The 15th Amendment.webm 7.81MB
  5191. Science/04 - Organic chemistry - 08 - Conjugation, Diels-Alder, and MO theory/01 - Addition reactions of conjugated dienes - 01 - Addition reaction of conjugated dienes I_ Mechanism.webm 7.81MB
  5192. Math/11 - Algebra I - 09 - Functions/10 - Classic function videos - 01 - Introduction to functions.webm 7.81MB
  5193. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/09 - Danny O'Neill - President of The Roasterie - 03 - Danny O'Neill - Finding the perfect customer.webm 7.81MB
  5194. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/06 - Linear inequalities - 05 - Constructing and solving a two-step inequality.webm 7.81MB
  5195. Math/10 - Algebra basics - 03 - Linear equations and inequalities/04 - Linear inequalities - 10 - Constructing and solving a two-step inequality.webm 7.81MB
  5196. Math/11 - Algebra I - 03 - Linear inequalities/01 - Thinking algebraically about inequalities - 10 - Constructing and solving a two-step inequality.webm 7.81MB
  5197. Science/04 - Organic chemistry - 01 - General chemistry review/04 - Electronegativity - 02 - Dipole moment.webm 7.81MB
  5198. Test prep/02 - MCAT - 05 - Chemical processes/06 - Covalent bonds - 03 - Dipole moment.webm 7.81MB
  5199. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 03 - Example of calculating a surface integral part 1.webm 7.81MB
  5200. Science/01 - Biology - 03 - Heredity and evolution/02 - Heredity and genetics - 04 - Hardy Weinberg equation.webm 7.80MB
  5201. Test prep/02 - MCAT - 01 - Biomolecules/07 - Mendelian genetics - 04 - Hardy Weinberg equation.webm 7.80MB
  5202. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 03 - Introduction to the doppler effect.webm 7.80MB
  5203. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 10 - Introduction to the doppler effect.webm 7.80MB
  5204. Test prep/02 - MCAT - 01 - Biomolecules/08 - Chromosomal inheritance - 08 - Extranuclear inheritance 1.webm 7.80MB
  5205. Math/11 - Algebra I - 08 - Exponent expressions and equations/04 - Simplifying radical expressions - 06 - Radical expressions with higher roots.webm 7.79MB
  5206. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/06 - Estimating infinite series - 03 - Alternating series error estimation.webm 7.79MB
  5207. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 05 - Taxes and perfectly inelastic demand.webm 7.79MB
  5208. Math/22 - Linear algebra - 01 - Vectors and spaces/05 - Vector dot and cross products - 11 - Normal vector from plane equation.webm 7.79MB
  5209. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 34 - Normal vector from plane equation.webm 7.79MB
  5210. Math/13 - Geometry - 02 - Angles and intersecting lines/04 - Sal's old angle videos - 06 - The angle game.webm 7.79MB
  5211. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 10 - 2011 Calculus AB free response #5a.webm 7.78MB
  5212. Science/06 - Health and medicine - 06 - Respiratory system diseases/07 - Pulmonary hypertension - 06 - Pulmonary hypertension treatment.webm 7.78MB
  5213. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 06 - Pulmonary hypertension treatment.webm 7.78MB
  5214. Science/06 - Health and medicine - 04 - Circulatory system diseases/06 - Cardiomyopathy - 06 - Cardiomyopathy treatment.webm 7.78MB
  5215. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/06 - Cardiomyopathy - 06 - Cardiomyopathy treatment.webm 7.78MB
  5216. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/08 - Maclaurin series and Euler's identity - 04 - Taylor series at 0 (Maclaurin) for e to the x.webm 7.78MB
  5217. Science/02 - Physics - 10 - Thermodynamics/01 - Thermodynamics - 05 - Thermodynamics (part 5).webm 7.78MB
  5218. Math/18 - Differential calculus - 01 - Limits/02 - Estimating limits from graphs - 01 - One-sided limits from graphs.webm 7.78MB
  5219. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 01 - Introduction to blended learning/02 - Four different blended learning models - 04 - The Lab Rotation Model.webm 7.78MB
  5220. Economics and finance/02 - Macroeconomics - 04 - The monetary system/03 - Fractional reserve accounting - 02 - Simple fractional reserve accounting (part 2).webm 7.77MB
  5221. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/07 - Hellenistic - 08 - Eros sleeping and an old market woman.webm 7.77MB
  5222. Science/06 - Health and medicine - 12 - Executive systems of the brain/03 - Sleep and consciousness - 02 - Sleep stages and circadian rhythms.webm 7.77MB
  5223. Test prep/02 - MCAT - 06 - Processing the environment/08 - Sleep and consciousness - 02 - Sleep stages and circadian rhythms.webm 7.77MB
  5224. Science/06 - Health and medicine - 12 - Executive systems of the brain/04 - Memory - 01 - Information processing model_ Sensory, working, and long term memory.webm 7.77MB
  5225. Test prep/02 - MCAT - 06 - Processing the environment/09 - Memory - 01 - Information processing model_ Sensory, working, and long term memory.webm 7.77MB
  5226. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 09 - Surface Tension and Adhesion.webm 7.77MB
  5227. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/01 - Sn1 vs Sn2 - 01 - Naming alkyl halides.webm 7.76MB
  5228. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 05 - Acetals as protecting groups and thioacetals.webm 7.76MB
  5229. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 08 - Acetals as protecting groups and thioacetals.webm 7.76MB
  5230. Math/11 - Algebra I - 07 - Quadratic equations/03 - Completing the square - 05 - Completing the square for quadratic formula.webm 7.76MB
  5231. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/07 - Taste (gustation) and smell (olfaction) - 02 - Pheromones.webm 7.75MB
  5232. Test prep/02 - MCAT - 06 - Processing the environment/05 - Taste (gustation) and smell (olfaction) - 02 - Pheromones.webm 7.75MB
  5233. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/03 - Exponent properties - 04 - Exponent rules part 1.webm 7.75MB
  5234. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/04 - Exponent properties - 01 - Exponent rules part 1.webm 7.75MB
  5235. Math/17 - Precalculus - 08 - Limits/01 - Limit basics - 04 - Limit examples (part 1).webm 7.75MB
  5236. Math/18 - Differential calculus - 01 - Limits/05 - Old limits tutorial - 02 - Limit examples (part 1).webm 7.75MB
  5237. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/01 - Exponential growth and decay - 04 - Comparing exponential and quadratic models.webm 7.75MB
  5238. Partner content/19 - Big History Project - 03 - 3. Stars and Elements/01 - 3.0—How Were Stars Formed_ - 02 - Threshold 2_ Stars Light Up.webm 7.75MB
  5239. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/08 - Maclaurin series and Euler's identity - 06 - Maclaurin series based on cos x.webm 7.74MB
  5240. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/09 - Taylor series approximations - 04 - Maclaurin series based on cos x.webm 7.74MB
  5241. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 03 - Systems check.webm 7.74MB
  5242. Partner content/18 - NASA - 01 - Welcome to NASA Mission Control/01 - Welcome - 01 - Khan Academy and NASA introduction.webm 7.74MB
  5243. Test prep/02 - MCAT - 05 - Chemical processes/07 - Separations and purifications - 02 - Extractions.webm 7.74MB
  5244. Math/18 - Differential calculus - 02 - Taking derivatives/08 - Product and quotient rules - 07 - Product rule.webm 7.73MB
  5245. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 02 - Klee, Twittering Machine.webm 7.73MB
  5246. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/03 - Cubism and its impact - 09 - Fernand Léger, 'Contrast of Forms'.webm 7.73MB
  5247. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 05 - Fernand Léger, 'Contrast of Forms'.webm 7.73MB
  5248. Math/19 - Integral calculus - 02 - Integration techniques/05 - Trigonometric substitution - 04 - Trig and u substitution together (part 1).webm 7.73MB
  5249. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 12 - Louis Comfort Tiffany, Vase.webm 7.73MB
  5250. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 03 - Louis Comfort Tiffany, Vase.webm 7.73MB
  5251. Math/11 - Algebra I - 09 - Functions/10 - Classic function videos - 03 - Functions (part 3).webm 7.73MB
  5252. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/06 - Recognizing functions - 02 - Relations and functions.webm 7.72MB
  5253. Math/11 - Algebra I - 09 - Functions/01 - Function introduction - 03 - Relations and functions.webm 7.72MB
  5254. Math/11 - Algebra I - 09 - Functions/03 - Domain and range - 01 - Relations and functions.webm 7.72MB
  5255. Math/14 - Algebra II - 02 - Functions and their graphs/01 - Function introduction - 03 - Relations and functions.webm 7.72MB
  5256. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 04 - Shorthand notation for galvanic_voltaic cells.webm 7.72MB
  5257. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 04 - Shorthand notation for galvanic_voltaic cells.webm 7.72MB
  5258. Test prep/02 - MCAT - 02 - Cells/06 - Prokaryotes_bacteria - 03 - Bacterial reproduction - Bacterial growth curve.webm 7.72MB
  5259. Science/06 - Health and medicine - 06 - Respiratory system diseases/10 - Lung cancer - 01 - What is lung cancer_.webm 7.72MB
  5260. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 01 - What is lung cancer_.webm 7.72MB
  5261. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 08 - Preparation of alkyl halides from alcohols.webm 7.71MB
  5262. Test prep/02 - MCAT - 06 - Processing the environment/12 - Stress - 02 - Stressors.webm 7.71MB
  5263. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/04 - Stokes' theorem intuition and application - 08 - Stokes example part 3_ Surface to double integral.webm 7.71MB
  5264. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/08 - Bitcoin - 01 - Bitcoin_ What is it_.webm 7.71MB
  5265. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/03 - Basic probability - 01 - Probability explained.webm 7.70MB
  5266. Math/16 - Probability and statistics - 01 - Independent and dependent events/01 - Basic probability - 01 - Probability explained.webm 7.70MB
  5267. Math/17 - Precalculus - 05 - Probability and combinatorics/01 - Basic probability - 01 - Probability explained.webm 7.70MB
  5268. Science/06 - Health and medicine - 15 - Health care system/01 - Health care system - 04 - Healthcare system overview.webm 7.69MB
  5269. Math/08 - Arithmetic - 04 - Decimals/08 - Converting between fractions and decimals - 03 - Converting fractions to decimals.webm 7.69MB
  5270. Math/08 - Arithmetic - 05 - Fractions/14 - Decimals and fractions - 05 - Converting fractions to decimals.webm 7.69MB
  5271. Math/09 - Pre-algebra - 03 - Decimals/08 - Converting between fractions and decimals - 03 - Converting fractions to decimals.webm 7.69MB
  5272. Math/09 - Pre-algebra - 04 - Fractions/14 - Decimals and fractions - 05 - Converting fractions to decimals.webm 7.69MB
  5273. Math/19 - Integral calculus - 01 - Integrals/03 - Riemann sums - 06 - Rectangular and trapezoidal Riemann approximations.webm 7.68MB
  5274. Math/08 - Arithmetic - 02 - Multiplication and division/08 - Partial quotient division - 01 - Partial quotient method of division.webm 7.68MB
  5275. Test prep/02 - MCAT - 06 - Processing the environment/08 - Sleep and consciousness - 06 - Sleep wake disorders breathing related sleep disorders.webm 7.68MB
  5276. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/04 - Corporate metrics and valuation - 09 - Amortization.webm 7.68MB
  5277. Math/17 - Precalculus - 01 - Vectors/03 - Vectors in magnitude and direction form - 07 - Total displacement while hiking.webm 7.67MB
  5278. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/11 - The art of dress - 03 - 'Predator' with Fiona Kidd.webm 7.67MB
  5279. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/02 - Trig problems on the unit circle - 01 - Introduction to the unit circle.webm 7.67MB
  5280. Math/16 - Probability and statistics - 07 - Inferential statistics/04 - Bernoulli distributions and margin of error - 01 - Mean and variance of Bernoulli distribution example.webm 7.67MB
  5281. Arts and humanities/05 - Ancient art and civilizations - 02 - Egyptian art and culture/03 - New Kingdom - 03 - Portrait head of Queen Tiye with a crown of two feathers.webm 7.67MB
  5282. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/04 - Real and nominal GDP - 01 - Real GDP and nominal GDP.webm 7.67MB
  5283. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 08 - 2011 Calculus BC free response #1a.webm 7.66MB
  5284. Math/20 - Multivariable calculus - 01 - Double and triple integrals/01 - Double integrals - 03 - Double integrals 3.webm 7.66MB
  5285. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/12 - Transformations - 05 - 'Identity ' with Daniëlle Kisluk-Grosheide.webm 7.66MB
  5286. Economics and finance/01 - Microeconomics - 07 - Game theory and Nash equilibrium/01 - Nash equilibrium - 02 - More on Nash equilibrium.webm 7.66MB
  5287. Math/14 - Algebra II - 08 - Conic sections/07 - Conics in the IIT JEE - 01 - Tangent line hyperbola relationship (very optional).webm 7.66MB
  5288. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 32 - Tangent line hyperbola relationship (very optional).webm 7.66MB
  5289. Math/19 - Integral calculus - 02 - Integration techniques/02 - u-substitution - 09 - Doing u-substitution twice (second time with w).webm 7.65MB
  5290. Science/02 - Physics - 06 - Moments, torque, and angular momentum/01 - Torque, moments, and angular momentum - 02 - Introduction to torque.webm 7.65MB
  5291. Test prep/02 - MCAT - 04 - Physical processes/04 - Newton's laws and equilibrium - 07 - Introduction to torque.webm 7.65MB
  5292. Math/19 - Integral calculus - 01 - Integrals/03 - Riemann sums - 07 - Trapezoidal approximation of area under curve.webm 7.65MB
  5293. Science/02 - Physics - 01 - One-dimensional motion/04 - Old videos on projectile motion - 01 - Projectile motion (part 1).webm 7.64MB
  5294. Math/13 - Geometry - 08 - Special properties and parts of triangles/03 - Medians and centroids - 03 - Medians divide into smaller triangles of equal area.webm 7.64MB
  5295. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 05 - Art Terms in Action_ Paint.webm 7.64MB
  5296. Partner content/04 - The Museum of Modern Art - 05 - Art terms in action/01 - Art terms in action - 06 - Art Terms in Action_ Paint.webm 7.64MB
  5297. Arts and humanities/06 - Medieval Europe - 03 - Early Christian/01 - Early Christian - 03 - Santa Sabina.webm 7.64MB
  5298. Test prep/07 - AP* Art History - 05 - Early Europe and Colonial Americas_ 200-1750 C.E./01 - Medieval art in Europe - 02 - Santa Sabina.webm 7.64MB
  5299. Test prep/02 - MCAT - 07 - Behavior/10 - Learning - 05 - Operant conditioning_ Schedules of reinforcement.webm 7.63MB
  5300. Partner content/03 - The British Museum - 01 - Africa/02 - Ancient Egypt - 06 - Ancient Egyptian coffin panel prepared for the Book of the Dead exhibition at the British Museum.webm 7.63MB
  5301. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 01 - Introduction to logarithm properties.webm 7.63MB
  5302. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 11 - Applying rational equations 3.webm 7.63MB
  5303. Math/14 - Algebra II - 04 - Rational expressions/05 - Solving rational equations - 08 - Applying rational equations 3.webm 7.63MB
  5304. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/06 - Dividing decimals - 03 - Dividing decimals with hundredths example 3.webm 7.63MB
  5305. Math/08 - Arithmetic - 04 - Decimals/07 - Dividing decimals - 06 - Dividing decimals with hundredths example 3.webm 7.63MB
  5306. Math/09 - Pre-algebra - 03 - Decimals/07 - Dividing decimals - 06 - Dividing decimals with hundredths example 3.webm 7.63MB
  5307. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 02 - Structure of the earth.webm 7.63MB
  5308. Math/19 - Integral calculus - 03 - Integration applications/04 - Volume of solids with known cross sections - 02 - Volume of solid with known cross section.webm 7.61MB
  5309. Partner content/17 - The Aspen Institute - 03 - The founding mothers of the United States of America/03 - Women and the expansion of America - 01 - Women and the expansion of America.webm 7.61MB
  5310. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 07 - Small intestine 2_ Digestion.webm 7.61MB
  5311. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 07 - Small intestine 2_ Digestion.webm 7.61MB
  5312. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 06 - Change of base formula.webm 7.60MB
  5313. Science/06 - Health and medicine - 04 - Circulatory system diseases/03 - Hypertension - 04 - Hypertension effects on the heart.webm 7.60MB
  5314. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 09 - Spider's bezel.webm 7.60MB
  5315. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/01 - United States - 10 - Carrie Mae Weems on her series 'From Here I Saw What Happened and I Cried'.webm 7.60MB
  5316. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/02 - Photography after 1970 - 05 - Carrie Mae Weems on her series 'From Here I Saw What Happened and I Cried'.webm 7.60MB
  5317. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 01 - Demographic structure of society - age.webm 7.60MB
  5318. Science/06 - Health and medicine - 04 - Circulatory system diseases/05 - Myocarditis and pericarditis - 01 - What is myocarditis and pericarditis_.webm 7.60MB
  5319. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/07 - Myocarditis and pericarditis - 01 - What is myocarditis and pericarditis_.webm 7.60MB
  5320. Science/04 - Organic chemistry - 09 - Aromatic compounds/06 - Other reactions and synthesis - 05 - Synthesis of substituted benzene rings II.webm 7.60MB
  5321. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 15 - 2011 Calculus AB free response #6c.webm 7.59MB
  5322. Test prep/02 - MCAT - 05 - Chemical processes/07 - Separations and purifications - 08 - Gel electrophoresis.webm 7.59MB
  5323. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 02 - Alkyl halide nomenclature.webm 7.59MB
  5324. Math/16 - Probability and statistics - 07 - Inferential statistics/01 - Normal distribution - 05 - ck12.org normal distribution problems_ z-score.webm 7.59MB
  5325. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/02 - Interest basics - 02 - Interest (part 2).webm 7.59MB
  5326. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/05 - Continuous compounding and e - 02 - Interest (part 2).webm 7.59MB
  5327. Math/15 - Trigonometry - 04 - Trig identities and examples/03 - Angle addition formulas - 04 - Sine of non special angle.webm 7.59MB
  5328. Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 04 - The one-time pad.webm 7.58MB
  5329. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/03 - Cubism and its impact - 03 - Picasso, The Reservoir, Horta de Ebro.webm 7.58MB
  5330. Math/11 - Algebra I - 09 - Functions/08 - Function inverses - 01 - Introduction to function inverses.webm 7.58MB
  5331. Math/14 - Algebra II - 02 - Functions and their graphs/06 - Function inverses - 01 - Introduction to function inverses.webm 7.58MB
  5332. Math/13 - Geometry - 06 - Perimeter, area, and volume/01 - Perimeter and area of triangles - 03 - Interesting perimeter and area problems.webm 7.58MB
  5333. Math/13 - Geometry - 13 - Worked examples/01 - Worked examples - 01 - Interesting perimeter and area problems.webm 7.58MB
  5334. Math/19 - Integral calculus - 02 - Integration techniques/05 - Trigonometric substitution - 03 - Integrals_ Trig substitution 1.webm 7.58MB
  5335. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 13 - Endocrine pancreas.webm 7.57MB
  5336. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 13 - Endocrine pancreas.webm 7.57MB
  5337. Math/17 - Precalculus - 02 - Matrices/03 - Properties of matrix multiplication - 02 - Associative property of matrix multiplication.webm 7.57MB
  5338. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/02 - Average costs (ATC, MC) and marginal revenue (MR) - 02 - Marginal revenue and marginal cost.webm 7.57MB
  5339. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/01 - Consumer and producer surplus - 04 - Producer surplus.webm 7.57MB
  5340. Partner content/03 - The British Museum - 05 - The Middle East/02 - Islamic Middle East - 02 - The Mahmal.webm 7.57MB
  5341. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 09 - FICA tax.webm 7.57MB
  5342. Math/14 - Algebra II - 01 - Systems of equations and inequalities/04 - Non-linear systems of equations - 05 - Non-linear systems of equations 2.webm 7.56MB
  5343. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 02 - Introduction to bonds.webm 7.56MB
  5344. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/08 - Rise of Hitler and the Nazis - 02 - Hitler's Beer Hall Putsch.webm 7.56MB
  5345. Math/18 - Differential calculus - 03 - Derivative applications/07 - Applying differentiation in different fields - 02 - Approximating incremental cost with derivative.webm 7.56MB
  5346. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/03 - Keynesian cross - 01 - Keynesian cross.webm 7.56MB
  5347. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 01 - Disk method around x-axis.webm 7.56MB
  5348. Math/03 - 4th grade (U.S.) - 06 - Factors, multiples and patterns/02 - Factors and multiples - 01 - Finding factors of a number.webm 7.55MB
  5349. Math/09 - Pre-algebra - 02 - Factors and multiples/02 - Divisibility and factors - 01 - Finding factors of a number.webm 7.55MB
  5350. Science/04 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 03 - Nitration.webm 7.55MB
  5351. Math/16 - Probability and statistics - 04 - Descriptive statistics/01 - Measures of central tendency - 04 - Comparing means of distributions.webm 7.55MB
  5352. Math/16 - Probability and statistics - 04 - Descriptive statistics/01 - Measures of central tendency - 05 - Means and medians of different distributions.webm 7.55MB
  5353. Math/08 - Arithmetic - 02 - Multiplication and division/06 - Loooong division_ - 06 - Level 4 division.webm 7.55MB
  5354. Math/15 - Trigonometry - 04 - Trig identities and examples/06 - Trigonometric identities - 03 - Trig identities part 3 (part 5 if you watch the proofs).webm 7.55MB
  5355. Math/21 - Differential equations - 01 - First order differential equations/07 - Homogeneous equations - 02 - First order homogeneous equations 2.webm 7.55MB
  5356. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 10 - Cis-trans and the E-Z system.webm 7.55MB
  5357. Math/17 - Precalculus - 06 - Sequences, series and induction/04 - Finite geometric series - 04 - Constructing a geometric series for new users.webm 7.55MB
  5358. Economics and finance/03 - Finance and capital markets - 02 - Housing/04 - Home buying process - 05 - Types of escrow in real estate.webm 7.55MB
  5359. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/02 - Modeling with exponential functions - 01 - Exponential growth and decay word problems.webm 7.54MB
  5360. Math/14 - Algebra II - 03 - Polynomial and rational functions/10 - Binomial theorem - 03 - Determining coefficient in binomial expansion.webm 7.54MB
  5361. Test prep/02 - MCAT - 06 - Processing the environment/12 - Stress - 06 - Stress management.webm 7.54MB
  5362. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 11 - Surface integral ex3 part 1_ Parameterizing the outside surface.webm 7.54MB
  5363. Math/22 - Linear algebra - 02 - Matrix transformations/07 - Transpose of a matrix - 01 - Transpose of a matrix.webm 7.54MB
  5364. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 14 - Redox titration.webm 7.54MB
  5365. Test prep/02 - MCAT - 05 - Chemical processes/02 - Titrations - 10 - Redox titration.webm 7.54MB
  5366. Science/02 - Physics - 01 - One-dimensional motion/04 - Old videos on projectile motion - 04 - Projectile motion (part 4).webm 7.54MB
  5367. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/06 - Estimating infinite series - 01 - Using integrals to place bounds on infinite sum.webm 7.54MB
  5368. Science/03 - Chemistry - 03 - Electronic structure of atoms/03 - Electron configurations - 06 - Electron configurations for the first period.webm 7.54MB
  5369. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 11 - Electron configurations for the first period.webm 7.54MB
  5370. Math/22 - Linear algebra - 02 - Matrix transformations/06 - More determinant depth - 06 - Upper triangular determinant.webm 7.53MB
  5371. Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 06 - Balloon payment mortgage.webm 7.52MB
  5372. Science/03 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 09 - Period trend for electron affinity.webm 7.52MB
  5373. Test prep/02 - MCAT - 04 - Physical processes/27 - Periodic table - 10 - Period trend for electron affinity.webm 7.52MB
  5374. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 10 - Manet, Émile Zola.webm 7.51MB
  5375. Science/03 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 07 - Catalysts.webm 7.51MB
  5376. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 19 - Catalysts.webm 7.51MB
  5377. Science/02 - Physics - 01 - One-dimensional motion/04 - Old videos on projectile motion - 03 - Projectile motion (part 3).webm 7.51MB
  5378. Arts and humanities/09 - Becoming modern - 07 - America_ Civil War to the Gilded Age/01 - America_ Civil War to the Gilded Age - 06 - Cassatt, The Child's Bath.webm 7.51MB
  5379. Math/08 - Arithmetic - 01 - Addition and subtraction/01 - Intro to addition and subtraction - 02 - Basic subtraction.webm 7.51MB
  5380. Math/15 - Trigonometry - 03 - Graphs of trig functions/01 - Graphs of trig functions - 03 - Example_ Graph, domain, and range of sine function.webm 7.51MB
  5381. Math/11 - Algebra I - 07 - Quadratic equations/08 - Quadratic odds and ends - 01 - Solving a quadratic by factoring.webm 7.51MB
  5382. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/01 - Body and mind - 09 - 'Awkward' with Cora Michael.webm 7.51MB
  5383. Math/19 - Integral calculus - 02 - Integration techniques/06 - Division and partial fraction expansion - 01 - Partial fraction expansion to evaluate integral.webm 7.51MB
  5384. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 10 - Wallis, Chatterton.webm 7.50MB
  5385. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/01 - Measuring with metric and U.S. customary units_ intro - 01 - Metric system_ units of distance.webm 7.50MB
  5386. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 14 - Renoir, La Loge.webm 7.50MB
  5387. Math/13 - Geometry - 08 - Special properties and parts of triangles/02 - Angle bisectors - 02 - Incenter and incircles of a triangle.webm 7.49MB
  5388. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 09 - Unit vectors and engineering notation.webm 7.49MB
  5389. Arts and humanities/09 - Becoming modern - 07 - America_ Civil War to the Gilded Age/01 - America_ Civil War to the Gilded Age - 05 - Cassatt, The Loge.webm 7.49MB
  5390. Math/19 - Integral calculus - 03 - Integration applications/03 - Arc length - 03 - Another arc length integration example.webm 7.49MB
  5391. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 14 - Toulouse-Lautrec, At the Moulin Rouge.webm 7.48MB
  5392. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/04 - Triangle similarity and slope - 03 - Slope and triangle similarity 2.webm 7.48MB
  5393. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/12 - Triangle similarity and constant slope - 03 - Slope and triangle similarity 2.webm 7.48MB
  5394. Partner content/15 - LeBron asks - 01 - LeBron asks/01 - LeBron asks - 05 - LeBron Asks_ Why does humidity make it feel hotter_.webm 7.47MB
  5395. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/02 - How the Constitution deals with civil liberties and privacy in an age of technological change - 06 - First Amendment to the U.S. Constitution.webm 7.47MB
  5396. Math/20 - Multivariable calculus - 01 - Double and triple integrals/02 - Triple integrals - 02 - Triple integrals 2.webm 7.47MB
  5397. Science/02 - Physics - 09 - Fluids/01 - Fluids - 05 - Fluids (part 5).webm 7.47MB
  5398. Test prep/02 - MCAT - 04 - Physical processes/09 - Fluids at rest - 05 - Fluids (part 5).webm 7.47MB
  5399. Math/08 - Arithmetic - 02 - Multiplication and division/08 - Partial quotient division - 02 - Partial quotient method of division 2.webm 7.47MB
  5400. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 06 - Equations of sequence patterns.webm 7.46MB
  5401. Math/17 - Precalculus - 06 - Sequences, series and induction/02 - Basic sequences and series - 04 - Equations of sequence patterns.webm 7.46MB
  5402. Math/08 - Arithmetic - 05 - Fractions/11 - Mixed numbers and improper fractions - 02 - Mixed numbers and improper fractions.webm 7.46MB
  5403. Math/09 - Pre-algebra - 04 - Fractions/11 - Mixed numbers and improper fractions - 02 - Mixed numbers and improper fractions.webm 7.46MB
  5404. Partner content/03 - The British Museum - 01 - Africa/02 - Ancient Egypt - 04 - Ancient Egyptian baboon deity conserved for the Book of the Dead exhibition at the British Museum.webm 7.46MB
  5405. Science/04 - Organic chemistry - 01 - General chemistry review/04 - Electronegativity - 03 - Intermolecular forces.webm 7.45MB
  5406. Test prep/02 - MCAT - 05 - Chemical processes/06 - Covalent bonds - 02 - Intermolecular forces.webm 7.45MB
  5407. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 06 - Small intestine 1_ Structure.webm 7.45MB
  5408. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 06 - Small intestine 1_ Structure.webm 7.45MB
  5409. Science/06 - Health and medicine - 06 - Respiratory system diseases/06 - Occupational lung diseases - 02 - Asbestosis, silicosis, sick building syndrome.webm 7.45MB
  5410. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/12 - Occupational lung diseases - 02 - Asbestosis, silicosis, sick building syndrome.webm 7.45MB
  5411. Math/11 - Algebra I - 01 - Introduction to algebra/06 - The why of algebra - 09 - Why we do the same thing to both sides basic systems.webm 7.45MB
  5412. Math/11 - Algebra I - 02 - Linear equations/01 - The why of algebra - 09 - Why we do the same thing to both sides basic systems.webm 7.45MB
  5413. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 53 - GMAT_ Math 53.webm 7.45MB
  5414. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 05 - Calculus BC 2008 2 a.webm 7.45MB
  5415. Test prep/02 - MCAT - 02 - Cells/05 - Cytoskeleton - 01 - Introduction to cytoskeleton.webm 7.45MB
  5416. Math/14 - Algebra II - 08 - Conic sections/04 - Parabolas - 04 - Using the focus and directrix to find the equation of a parabola.webm 7.45MB
  5417. Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/02 - Currency reserves - 05 - Math mechanics of Thai banking crisis.webm 7.44MB
  5418. Math/17 - Precalculus - 04 - Imaginary and complex numbers/06 - Exponential form of complex numbers - 01 - Dividing complex numbers in polar and exponential form.webm 7.44MB
  5419. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/07 - Ben Milne - CEO of Dwolla - 01 - Ben Milne - CEO of Dwolla.webm 7.44MB
  5420. Math/20 - Multivariable calculus - 05 - Divergence theorem/01 - Divergence theorem (3D) - 01 - 3D divergence theorem intuition.webm 7.44MB
  5421. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/01 - Ceramics and glass - 01 - Glassmaking technique_ free-blown glass.webm 7.44MB
  5422. Partner content/05 - The J. Paul Getty Museum - 02 - A brief history of glassmaking/01 - A brief history of glassmaking - 04 - Glassmaking technique_ free-blown glass.webm 7.44MB
  5423. Science/06 - Health and medicine - 02 - Human anatomy and physiology/08 - Skeletal system introduction - 03 - Cellular structure of bone.webm 7.44MB
  5424. Test prep/02 - MCAT - 03 - Organ systems/16 - Skeletal system - 03 - Cellular structure of bone.webm 7.44MB
  5425. Test prep/03 - NCLEX-RN - 13 - Skeletal system/01 - Skeletal system - 03 - Cellular structure of bone.webm 7.44MB
  5426. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 13 - Adequacy of the lateral cervical spine X-ray.webm 7.44MB
  5427. Math/19 - Integral calculus - 03 - Integration applications/02 - Average value of a function - 04 - Mean value theorem for integrals.webm 7.43MB
  5428. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/06 - Probability and compound events - 04 - Free throwing probability.webm 7.43MB
  5429. Math/16 - Probability and statistics - 01 - Independent and dependent events/03 - Compound, independent events - 04 - Free throwing probability.webm 7.43MB
  5430. Math/17 - Precalculus - 05 - Probability and combinatorics/03 - Compound, independent events - 06 - Free throwing probability.webm 7.43MB
  5431. Partner content/15 - LeBron asks - 01 - LeBron asks/01 - LeBron asks - 06 - Free throwing probability.webm 7.43MB
  5432. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/09 - Power - 06 - 'Bricks' with Sarah B. Graff.webm 7.42MB
  5433. Economics and finance/02 - Macroeconomics - 04 - The monetary system/04 - Interest as the price of money - 02 - Money supply and demand impacting interest rates.webm 7.42MB
  5434. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/02 - Retirement accounts_ IRAs and 401ks - 03 - 401(k)s.webm 7.42MB
  5435. Arts and humanities/08 - Monarchy and enlightenment - 04 - Britain and America in the Age of Revolution/01 - Britain in the age of revolution - 04 - Room_ 1730-1765.webm 7.42MB
  5436. Partner content/02 - Tate - 01 - Meet 500 years of British art/02 - 16th to 18th century_ Dynasty, revolution, and the Classical Age - 03 - Room_ 1730-1765.webm 7.42MB
  5437. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 06 - The Painting Techniques of Mark Rothko.webm 7.42MB
  5438. Partner content/04 - The Museum of Modern Art - 04 - Abstract Expressionism/01 - Abstract Expressionism - 05 - The Painting Techniques of Mark Rothko.webm 7.42MB
  5439. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 05 - How DNA is replicated 1.webm 7.42MB
  5440. Math/17 - Precalculus - 01 - Vectors/03 - Vectors in magnitude and direction form - 09 - Force contribution while pushing box.webm 7.42MB
  5441. Science/07 - Discoveries and projects - 03 - Robots/03 - Spout Bot without Solder - 09 - Attach Spout's antennae.webm 7.41MB
  5442. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 07 - Adding_subtracting negative numbers.webm 7.41MB
  5443. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 07 - Adding_subtracting negative numbers.webm 7.41MB
  5444. Science/04 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 02 - Ortho-para directors II.webm 7.41MB
  5445. Math/15 - Trigonometry - 03 - Graphs of trig functions/02 - Modeling with periodic functions - 04 - Day length in Alaska.webm 7.41MB
  5446. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/02 - Expected value - 06 - Law of large numbers.webm 7.40MB
  5447. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/01 - Production possibilities frontier - 03 - Increasing opportunity cost.webm 7.40MB
  5448. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/05 - Tests for convergence and divergence - 02 - Ratio test.webm 7.40MB
  5449. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 04 - Were dinosaurs warm-blooded_.webm 7.40MB
  5450. Science/04 - Organic chemistry - 12 - Alpha carbon chemistry/01 - Formation of enolate anions - 05 - Kinetic and thermodynamic enolates.webm 7.40MB
  5451. Test prep/02 - MCAT - 05 - Chemical processes/11 - Alpha-carbon chemistry - 04 - Kinetic and thermodynamic enolates.webm 7.40MB
  5452. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 20 - Kinetic and thermodynamic enolates.webm 7.40MB
  5453. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/01 - Introduction to aldehydes and ketones - 01 - Aldehyde introduction.webm 7.40MB
  5454. Science/01 - Biology - 02 - Human biology/05 - Immunology - 02 - Types of immune responses_ Innate and adaptive. humoral vs. cell-mediated.webm 7.40MB
  5455. Science/06 - Health and medicine - 02 - Human anatomy and physiology/05 - Immunologic system introduction - 02 - Types of immune responses_ Innate and adaptive. humoral vs. cell-mediated.webm 7.40MB
  5456. Test prep/02 - MCAT - 03 - Organ systems/11 - Immune system - 02 - Types of immune responses_ Innate and adaptive. humoral vs. cell-mediated.webm 7.40MB
  5457. Test prep/03 - NCLEX-RN - 09 - Immune system/01 - Immune system - 02 - Types of immune responses_ Innate and adaptive. humoral vs. cell-mediated.webm 7.40MB
  5458. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 01 - AP Calculus BC exams_ 2008 1 a.webm 7.39MB
  5459. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/04 - Continuous compound interest and e - 03 - Formula for continuously compounding interest.webm 7.39MB
  5460. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 01 - Acid-base definitions.webm 7.39MB
  5461. Partner content/18 - NASA - 03 - Exploring the Universe/02 - Mars_ Modern exploration - 07 - Martian methane.webm 7.39MB
  5462. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/02 - Photography after 1970 - 04 - Eileen Cowin on her series 'I See What You're Saying'.webm 7.39MB
  5463. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 04 - Overview of neuron function.webm 7.38MB
  5464. Test prep/02 - MCAT - 03 - Organ systems/02 - Neural cells - 03 - Overview of neuron function.webm 7.38MB
  5465. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 04 - Social institutions - government, economy, health and medicine.webm 7.38MB
  5466. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/01 - Exponential growth and decay - 06 - Constructing linear and exponential functions from graph.webm 7.38MB
  5467. Math/23 - Recreational math - 03 - Math warmups/01 - Expectation warmup - 02 - Problem of Points 2.webm 7.38MB
  5468. Science/06 - Health and medicine - 04 - Circulatory system diseases/03 - Hypertension - 02 - Hypertension symptoms and categories.webm 7.38MB
  5469. Science/06 - Health and medicine - 08 - Hematologic system diseases/02 - Leukemia - 02 - What is leukemia_.webm 7.36MB
  5470. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 02 - What is leukemia_.webm 7.36MB
  5471. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/03 - Word problems_ moving between units of measurement - 07 - Unit measurement word problem_ running laps (US customary).webm 7.36MB
  5472. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/03 - Unit measurement word problems - 06 - Unit measurement word problem_ running laps (US customary).webm 7.36MB
  5473. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/06 - Unit conversion - 06 - Unit measurement word problem_ running laps (US customary).webm 7.36MB
  5474. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 09 - Unit measurement word problem_ running laps (US customary).webm 7.36MB
  5475. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 05 - Is rising inequality necessarily bad_.webm 7.36MB
  5476. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/05 - Eigen-everything - 01 - Introduction to eigenvalues and eigenvectors.webm 7.36MB
  5477. Math/23 - Recreational math - 01 - Doodling in Math and more/02 - Doodling in math - 03 - Doodling in math_ Binary trees.webm 7.36MB
  5478. Math/21 - Differential equations - 02 - Second order linear equations/03 - Method of undetermined coefficients - 03 - Undetermined coefficients 3.webm 7.36MB
  5479. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 12 - Organic chemistry naming examples 5.webm 7.36MB
  5480. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/02 - Average costs (ATC, MC) and marginal revenue (MR) - 03 - Marginal revenue below average total cost.webm 7.35MB
  5481. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/02 - Solving linear systems graphically - 03 - Graphing systems of equations.webm 7.35MB
  5482. Math/11 - Algebra I - 05 - Systems of equations and inequalities/03 - Solving systems graphically - 03 - Graphing systems of equations.webm 7.35MB
  5483. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/01 - Mutual funds and ETFs - 05 - Open-ended mutual funds.webm 7.35MB
  5484. Math/13 - Geometry - 08 - Special properties and parts of triangles/02 - Angle bisectors - 03 - Inradius, perimeter, and area.webm 7.35MB
  5485. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/01 - Measuring cost of living --inflation and the consumer price index - 01 - Introduction to inflation.webm 7.35MB
  5486. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 16 - 16-18 Shortest paths on grid.webm 7.35MB
  5487. Science/06 - Health and medicine - 06 - Respiratory system diseases/13 - Laryngeal conditions - 05 - Laryngitis diagnosis, treatment, and prevention.webm 7.35MB
  5488. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 05 - Laryngitis diagnosis, treatment, and prevention.webm 7.35MB
  5489. Science/06 - Health and medicine - 02 - Human anatomy and physiology/08 - Skeletal system introduction - 01 - Skeletal structure and function.webm 7.34MB
  5490. Test prep/02 - MCAT - 03 - Organ systems/16 - Skeletal system - 01 - Skeletal structure and function.webm 7.34MB
  5491. Test prep/03 - NCLEX-RN - 13 - Skeletal system/01 - Skeletal system - 01 - Skeletal structure and function.webm 7.34MB
  5492. Math/16 - Probability and statistics - 02 - Probability and combinatorics/02 - Combinations - 04 - Example_ 9 card hands.webm 7.34MB
  5493. Math/17 - Precalculus - 05 - Probability and combinatorics/06 - Combinations - 04 - Example_ 9 card hands.webm 7.34MB
  5494. Science/06 - Health and medicine - 12 - Executive systems of the brain/05 - Emotion - 05 - Theories of Emotion.webm 7.34MB
  5495. Test prep/02 - MCAT - 06 - Processing the environment/11 - Emotion - 05 - Theories of Emotion.webm 7.34MB
  5496. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 09 - Two passing bicycles word problem.webm 7.33MB
  5497. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 03 - Supraventricular tachycardia (SVT).webm 7.33MB
  5498. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 03 - Supraventricular tachycardia (SVT).webm 7.33MB
  5499. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/03 - Components of GDP - 04 - Examples of accounting for GDP.webm 7.33MB
  5500. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 04 - 'Threshold' with Keith Christiansen.webm 7.33MB
  5501. Math/13 - Geometry - 05 - Right triangles and trigonometry/05 - Trig ratios and similarity - 01 - Similarity to define sine, cosine, and tangent.webm 7.32MB
  5502. Math/15 - Trigonometry - 01 - Basic trigonometry/02 - Trigonometric ratios and similarity - 01 - Similarity to define sine, cosine, and tangent.webm 7.32MB
  5503. Computing/02 - Computer science - 02 - Journey into cryptography/07 - Randomized algorithms - 02 - Conditional probability warmup.webm 7.32MB
  5504. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 13 - Conditional probability warmup.webm 7.32MB
  5505. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 13 - Conditional probability warmup.webm 7.32MB
  5506. Math/19 - Integral calculus - 01 - Integrals/03 - Riemann sums - 02 - Generalizing a left Riemann sum with equally spaced rectangles.webm 7.31MB
  5507. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/07 - Variables and equations word problem_ Super Yoga - 02 - Variables and equations word problem_ Which Super Yoga plan is best_.webm 7.31MB
  5508. Math/11 - Algebra I - 01 - Introduction to algebra/07 - Super Yoga plans - 02 - Variables and equations word problem_ Which Super Yoga plan is best_.webm 7.31MB
  5509. Math/11 - Algebra I - 02 - Linear equations/02 - Super Yoga plans - 02 - Variables and equations word problem_ Which Super Yoga plan is best_.webm 7.31MB
  5510. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/03 - Alkene nomenclature - 01 - Alkene intro and stability.webm 7.31MB
  5511. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 06 - Plates moving due to convection in mantle.webm 7.31MB
  5512. Math/20 - Multivariable calculus - 05 - Divergence theorem/03 - Divergence theorem proof - 02 - Divergence theorem proof (part 2).webm 7.31MB
  5513. Science/06 - Health and medicine - 04 - Circulatory system diseases/03 - Hypertension - 01 - What is hypertension_.webm 7.30MB
  5514. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 05 - 'Drama' with Peter Barnet.webm 7.30MB
  5515. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 15 - Manet, Corner of a Café-Concert.webm 7.29MB
  5516. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 04 - DLab_ Lemonade stand simulation.webm 7.29MB
  5517. Science/02 - Physics - 09 - Fluids/01 - Fluids - 12 - Fluids (part 12).webm 7.29MB
  5518. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 06 - Fluids (part 12).webm 7.29MB
  5519. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 21 - IIT JEE divisible determinants.webm 7.29MB
  5520. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 01 - Leonardo da Vinci, Letter to the Duke of Milan.webm 7.28MB
  5521. Test prep/02 - MCAT - 07 - Behavior/11 - Theories of attitude and behavior change - 07 - Self control.webm 7.28MB
  5522. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/03 - Alkene nomenclature - 03 - cis_trans and the E_Z system.webm 7.28MB
  5523. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/03 - Components of GDP - 01 - Investment and consumption.webm 7.28MB
  5524. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/03 - The Reconstruction Amendments - 02 - The 14th Amendment.webm 7.28MB
  5525. Partner content/01 - The Metropolitan Museum of Art - 02 - Extravagant Inventions/01 - Extravagant Inventions - 02 - Demonstration of the Roentgens' Dressing Table (Poudreuse).webm 7.27MB
  5526. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/02 - Solving linear systems graphically - 01 - Solving linear systems by graphing.webm 7.26MB
  5527. Math/10 - Algebra basics - 05 - Systems of equations/01 - Solving systems of equations - 01 - Solving linear systems by graphing.webm 7.26MB
  5528. Math/11 - Algebra I - 05 - Systems of equations and inequalities/02 - Super fast systems of equations - 01 - Solving linear systems by graphing.webm 7.26MB
  5529. Math/11 - Algebra I - 05 - Systems of equations and inequalities/03 - Solving systems graphically - 01 - Solving linear systems by graphing.webm 7.26MB
  5530. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 11 - CAHSEE practice_ Problems 35-37.webm 7.26MB
  5531. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 17 - Magnetism 2.webm 7.26MB
  5532. Math/13 - Geometry - 04 - Similarity/03 - Solving problems with similar and congruent triangles - 04 - Golden ratio to find radius of moon.webm 7.26MB
  5533. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/07 - Ring-opening reactions of epoxides - 02 - Ring opening reactions of epoxides_ Acid-catalyzed.webm 7.26MB
  5534. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 08 - Vermeer, Young Woman with a Water Pitcher.webm 7.25MB
  5535. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/03 - Stellar parallax - 05 - Parsec definition.webm 7.25MB
  5536. Test prep/02 - MCAT - 06 - Processing the environment/12 - Stress - 05 - Behavioral effects of stress.webm 7.25MB
  5537. Test prep/02 - MCAT - 07 - Behavior/11 - Theories of attitude and behavior change - 06 - Personal control (locus of control, learned helplessness, and the tyranny of choice).webm 7.25MB
  5538. Test prep/02 - MCAT - 02 - Cells/02 - Cell-cell interactions - 02 - Membrane Receptors.webm 7.25MB
  5539. Test prep/02 - MCAT - 03 - Organ systems/05 - Biosignaling - 01 - Membrane Receptors.webm 7.25MB
  5540. Math/18 - Differential calculus - 03 - Derivative applications/08 - Related rates - 02 - Rate of change of balloon height.webm 7.25MB
  5541. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 09 - Liver.webm 7.24MB
  5542. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 09 - Liver.webm 7.24MB
  5543. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 14 - Spider's stablizer bar.webm 7.24MB
  5544. Computing/01 - Computer programming - 03 - Advanced JS_ Natural Simulations/01 - Intro to Natural Simulations - 01 - Welcome to Natural Simulations.webm 7.24MB
  5545. Math/14 - Algebra II - 03 - Polynomial and rational functions/09 - Polynomial graphs and end behavior - 03 - Another polynomial end behavior example.webm 7.23MB
  5546. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/06 - Somatosensation - 03 - Somatosensory homunculus.webm 7.23MB
  5547. Test prep/02 - MCAT - 06 - Processing the environment/04 - Somatosensation - 03 - Somatosensory homunculus.webm 7.23MB
  5548. Science/06 - Health and medicine - 04 - Circulatory system diseases/09 - Acyanotic heart diseases - 05 - Ventricular septal defect.webm 7.22MB
  5549. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/03 - Acyanotic heart diseases - 05 - Ventricular septal defect.webm 7.22MB
  5550. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 08 - Part 2 of washer for non axis rotation.webm 7.22MB
  5551. Test prep/02 - MCAT - 06 - Processing the environment/01 - Sensory perception - 06 - The vestibular system, balance, and dizziness.webm 7.22MB
  5552. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/06 - Linear inequalities - 06 - Constructing and solving a multi-step inequality example.webm 7.22MB
  5553. Math/10 - Algebra basics - 03 - Linear equations and inequalities/04 - Linear inequalities - 11 - Constructing and solving a multi-step inequality example.webm 7.22MB
  5554. Math/11 - Algebra I - 03 - Linear inequalities/01 - Thinking algebraically about inequalities - 11 - Constructing and solving a multi-step inequality example.webm 7.22MB
  5555. Math/18 - Differential calculus - 03 - Derivative applications/10 - L'Hôpital's rule - 01 - Introduction to l'Hôpital's rule.webm 7.22MB
  5556. Math/18 - Differential calculus - 02 - Taking derivatives/08 - Product and quotient rules - 09 - Equation of a tangent line.webm 7.22MB
  5557. Math/18 - Differential calculus - 02 - Taking derivatives/02 - Using secant line slopes to approximate tangent slope - 03 - Slope of a secant line example 2.webm 7.22MB
  5558. Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 02 - Monopolist optimizing price_ Total revenue..webm 7.22MB
  5559. Science/01 - Biology - 02 - Human biology/05 - Immunology - 06 - Cytotoxic T cells and MHC I complexes.webm 7.22MB
  5560. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 16 - Caravaggio, Death of the Virgin.webm 7.22MB
  5561. Math/19 - Integral calculus - 03 - Integration applications/04 - Volume of solids with known cross sections - 01 - Semi circle cross sections with triangular base.webm 7.21MB
  5562. Math/03 - 4th grade (U.S.) - 03 - Fractions/02 - Comparing fractions - 02 - Comparing and ordering fractions.webm 7.21MB
  5563. Math/08 - Arithmetic - 05 - Fractions/04 - Comparing fractions - 05 - Comparing and ordering fractions.webm 7.21MB
  5564. Math/09 - Pre-algebra - 04 - Fractions/04 - Comparing fractions - 05 - Comparing and ordering fractions.webm 7.21MB
  5565. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/01 - Neural cells and neurotransmitters - 04 - Astrocytes.webm 7.21MB
  5566. Test prep/02 - MCAT - 03 - Organ systems/02 - Neural cells - 04 - Astrocytes.webm 7.21MB
  5567. Science/06 - Health and medicine - 10 - Endocrine system diseases/01 - Diabetes - 04 - A1C levels.webm 7.20MB
  5568. Test prep/02 - MCAT - 05 - Chemical processes/07 - Separations and purifications - 05 - Calculating retention factors for TLC.webm 7.20MB
  5569. Science/06 - Health and medicine - 09 - Advanced endocrine system physiology/01 - Biological basis of behavior_ Endocrine system - 01 - From terpenes to steroids part 1_ Terpenes.webm 7.20MB
  5570. Test prep/02 - MCAT - 03 - Organ systems/06 - Endocrine system - 06 - From terpenes to steroids part 1_ Terpenes.webm 7.20MB
  5571. Test prep/03 - NCLEX-RN - 07 - Endocrine system/01 - Endocrine system - 06 - From terpenes to steroids part 1_ Terpenes.webm 7.20MB
  5572. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/07 - Binary and hexadecimal number systems - 02 - Hexadecimal number system.webm 7.20MB
  5573. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/03 - Public goods and externalities - 03 - Positive externalities.webm 7.20MB
  5574. Math/08 - Arithmetic - 04 - Decimals/12 - Significant figures - 02 - More on significant figures.webm 7.20MB
  5575. Math/09 - Pre-algebra - 03 - Decimals/12 - Significant figures - 02 - More on significant figures.webm 7.20MB
  5576. Math/21 - Differential equations - 01 - First order differential equations/03 - Modeling with differential equations - 01 - Modeling population with simple differential equation.webm 7.20MB
  5577. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/04 - Cepheid variables - 03 - Why gravity gets so strong near dense objects.webm 7.19MB
  5578. Partner content/18 - NASA - 03 - Exploring the Universe/02 - Mars_ Modern exploration - 03 - Dry ice experiment.webm 7.19MB
  5579. Math/16 - Probability and statistics - 01 - Independent and dependent events/04 - Dependent probability - 05 - Analyzing event probability for independence.webm 7.19MB
  5580. Test prep/02 - MCAT - 06 - Processing the environment/13 - Drug dependence - 08 - Treatments and triggers for drug dependence.webm 7.19MB
  5581. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/02 - The Pre-Raphaelites and mid-Victorian art - 05 - Millais, The Vale of Rest.webm 7.19MB
  5582. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 13 - Algebra_ Slope and y-intercept intuition.webm 7.19MB
  5583. Arts and humanities/09 - Becoming modern - 04 - Victorian art and architecture/03 - Late Victorian - 03 - Room_ 1890-1910.webm 7.19MB
  5584. Partner content/02 - Tate - 01 - Meet 500 years of British art/03 - 19th century_ Romanticism and the Victorian Era - 05 - Room_ 1890-1910.webm 7.19MB
  5585. Math/16 - Probability and statistics - 02 - Probability and combinatorics/01 - Permutations - 02 - Permutation formula.webm 7.19MB
  5586. Math/17 - Precalculus - 05 - Probability and combinatorics/05 - Permutations - 02 - Permutation formula.webm 7.19MB
  5587. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/02 - Consumption function - 03 - Consumption function with income dependent taxes.webm 7.18MB
  5588. Math/15 - Trigonometry - 04 - Trig identities and examples/01 - Symmetry and periodicity of trig functions - 01 - Symmetry of trig values.webm 7.18MB
  5589. Science/06 - Health and medicine - 06 - Respiratory system diseases/02 - Asthma - 06 - Asthma longterm treatment.webm 7.18MB
  5590. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 06 - Asthma longterm treatment.webm 7.18MB
  5591. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/03 - Formal charge and resonance - 03 - Resonance structures.webm 7.18MB
  5592. Science/06 - Health and medicine - 08 - Hematologic system diseases/02 - Leukemia - 05 - Leukemia classifications.webm 7.18MB
  5593. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 05 - Leukemia classifications.webm 7.18MB
  5594. Science/02 - Physics - 07 - Gravitation/01 - Newton's law of gravitation - 08 - Gravitation (part 2).webm 7.18MB
  5595. Math/11 - Algebra I - 07 - Quadratic equations/04 - The quadratic formula (quadratic equation) - 03 - Proof of quadratic formula.webm 7.17MB
  5596. Math/14 - Algebra II - 03 - Polynomial and rational functions/02 - Completing the square and the quadratic formula - 04 - Proof of quadratic formula.webm 7.17MB
  5597. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/03 - The Constitution of the United States - 06 - The Constitution and proportional representation.webm 7.17MB
  5598. Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 08 - Calculating state taxes and take home pay.webm 7.17MB
  5599. Math/21 - Differential equations - 02 - Second order linear equations/01 - Linear homogeneous equations - 02 - 2nd order linear homogeneous differential equations 2.webm 7.17MB
  5600. Science/06 - Health and medicine - 12 - Executive systems of the brain/01 - Cognition - 05 - Intelligence.webm 7.16MB
  5601. Test prep/02 - MCAT - 06 - Processing the environment/07 - Cognition - 05 - Intelligence.webm 7.16MB
  5602. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 05 - Generalizing the washer method.webm 7.16MB
  5603. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 54 - GMAT_ Math 54.webm 7.16MB
  5604. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/07 - Sn1_Sn2_E1_E2 - 02 - Sn1 Sn2 E1 E2 reactions_ Primary and tertiary alkyl halides.webm 7.16MB
  5605. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/05 - Continuous compounding and e - 06 - Compound interest and e (part 4).webm 7.16MB
  5606. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/01 - Volume - 03 - Volume_ measuring as area times length.webm 7.16MB
  5607. Math/09 - Pre-algebra - 09 - Measurement/04 - Volume of a box or rectangular prism - 03 - Volume_ measuring as area times length.webm 7.16MB
  5608. Test prep/02 - MCAT - 01 - Biomolecules/08 - Chromosomal inheritance - 06 - Genetic recombination 2.webm 7.16MB
  5609. Test prep/02 - MCAT - 07 - Behavior/10 - Learning - 04 - Operant conditioning_ Shaping.webm 7.15MB
  5610. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/11 - The art of dress - 01 - 'Fashion Plate' with Pierre Terjanian.webm 7.15MB
  5611. Math/19 - Integral calculus - 03 - Integration applications/07 - Solid of revolution volume - 04 - Disc method with outer and inner function boundaries.webm 7.14MB
  5612. Math/17 - Precalculus - 08 - Limits/01 - Limit basics - 02 - Introduction to limits.webm 7.14MB
  5613. Math/18 - Differential calculus - 01 - Limits/05 - Old limits tutorial - 01 - Introduction to limits.webm 7.14MB
  5614. Computing/01 - Computer programming - 01 - Intro to JS_ Drawing and Animation/03 - Coloring - 01 - The Power of the Docs.webm 7.14MB
  5615. Computing/01 - Computer programming - 01 - Intro to JS_ Drawing and Animation/14 - Becoming a better programmer - 01 - The Power of the Docs.webm 7.14MB
  5616. Science/02 - Physics - 02 - Two-dimensional motion/03 - Centripetal acceleration - 01 - Race cars with constant speed around curve.webm 7.14MB
  5617. Science/06 - Health and medicine - 04 - Circulatory system diseases/10 - Cyanotic heart diseases - 01 - What is cyanotic heart disease.webm 7.14MB
  5618. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/04 - Cyanotic heart diseases - 01 - What is cyanotic heart disease.webm 7.14MB
  5619. Science/06 - Health and medicine - 02 - Human anatomy and physiology/09 - Endocrine system introduction - 02 - The hypothalamus and pituitary gland.webm 7.13MB
  5620. Test prep/02 - MCAT - 03 - Organ systems/06 - Endocrine system - 02 - The hypothalamus and pituitary gland.webm 7.13MB
  5621. Test prep/03 - NCLEX-RN - 07 - Endocrine system/01 - Endocrine system - 02 - The hypothalamus and pituitary gland.webm 7.13MB
  5622. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/05 - Tests for convergence and divergence - 09 - Integral test intuition.webm 7.13MB
  5623. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/08 - Observations - 03 - 'Open-Minded' with Navina Haidar.webm 7.13MB
  5624. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 01 - Birth of stars.webm 7.13MB
  5625. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 04 - Jannis Kounellis, 'Da inventare sul posto (To invent on the spot)'.webm 7.13MB
  5626. Partner content/04 - The Museum of Modern Art - 07 - Performance Art/01 - Performance Art - 01 - Jannis Kounellis, 'Da inventare sul posto (To invent on the spot)'.webm 7.13MB
  5627. Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 02 - More on elasticity of demand.webm 7.12MB
  5628. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/09 - Power - 04 - 'Magical' with Adela Oppenheim.webm 7.12MB
  5629. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/03 - The Constitution of the United States - 05 - The Constitution and slavery part 2.webm 7.12MB
  5630. Science/03 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 02 - Acid-base definitions.webm 7.12MB
  5631. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 01 - Acid-base definitions.webm 7.12MB
  5632. Test prep/02 - MCAT - 05 - Chemical processes/06 - Covalent bonds - 09 - Acid-base definitions.webm 7.12MB
  5633. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/05 - Thinking about solutions to systems - 02 - Infinite solutions to systems.webm 7.11MB
  5634. Math/11 - Algebra I - 05 - Systems of equations and inequalities/04 - Thinking about solutions to systems - 02 - Infinite solutions to systems.webm 7.11MB
  5635. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 11 - Infinite solutions to systems.webm 7.11MB
  5636. Test prep/02 - MCAT - 01 - Biomolecules/11 - Overview of metabolism - 04 - ATP hydrolysis_ Gibbs free energy.webm 7.11MB
  5637. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 10 - Passed bike word problem.webm 7.11MB
  5638. Math/10 - Algebra basics - 04 - Graphing lines and slope/07 - Graphing linear inequalities - 01 - Graphing inequalities.webm 7.11MB
  5639. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/11 - Graphing linear inequalities - 01 - Graphing inequalities.webm 7.11MB
  5640. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 12 - Van Huysum, Vase with Flowers.webm 7.10MB
  5641. Test prep/02 - MCAT - 04 - Physical processes/16 - Magnetism - 02 - Magnetism - Part 2.webm 7.10MB
  5642. Test prep/02 - MCAT - 08 - Individuals and society/02 - Perception, prejudice, and bias - 09 - Social perception - The Just World Hypothesis.webm 7.09MB
  5643. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/08 - Nerve regulation of the heart - 04 - Autonomic nervous system effects on the heart.webm 7.09MB
  5644. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/09 - Point-slope form and standard form - 04 - Point-slope and standard form.webm 7.09MB
  5645. Math/20 - Multivariable calculus - 05 - Divergence theorem/02 - Types of regions in three dimensions - 01 - Type I regions in three dimensions.webm 7.08MB
  5646. Science/06 - Health and medicine - 08 - Hematologic system diseases/04 - Plasma cell dyscrasias - 01 - What are plasma cell dyscrasias_.webm 7.08MB
  5647. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/03 - Plasma cell dyscrasias - 01 - What are plasma cell dyscrasias_.webm 7.08MB
  5648. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 07 - DLab_ Build up to bridge testing.webm 7.08MB
  5649. Math/13 - Geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 06 - Introduction to the Pythagorean theorem.webm 7.08MB
  5650. Math/16 - Probability and statistics - 07 - Inferential statistics/08 - Analysis of variance - 01 - ANOVA 1_ Calculating SST (total sum of squares).webm 7.07MB
  5651. Math/14 - Algebra II - 03 - Polynomial and rational functions/08 - Factoring and roots of higher degree polynomials - 04 - Factoring 5th degree polynomial to find real zeros.webm 7.07MB
  5652. Test prep/02 - MCAT - 01 - Biomolecules/05 - Gene control - 06 - Oncogenes.webm 7.07MB
  5653. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/03 - The Constitution of the United States - 04 - The Constitution and slavery part 1.webm 7.07MB
  5654. Science/06 - Health and medicine - 06 - Respiratory system diseases/05 - Cystic fibrosis - 05 - Cystic fibrosis complications.webm 7.07MB
  5655. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/05 - Cystic fibrosis - 05 - Cystic fibrosis complications.webm 7.07MB
  5656. Math/10 - Algebra basics - 08 - Equations and geometry/02 - Triangle similarity - 04 - Similarity example problems.webm 7.07MB
  5657. Math/13 - Geometry - 04 - Similarity/02 - Triangle similarity - 04 - Similarity example problems.webm 7.07MB
  5658. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/08 - Maclaurin series and Euler's identity - 02 - Cosine Taylor series at 0 (Maclaurin).webm 7.07MB
  5659. Arts and humanities/05 - Ancient art and civilizations - 07 - Roman/03 - Republic - 03 - Veristic Male Portrait.webm 7.07MB
  5660. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./05 - Ancient Rome - 03 - Veristic Male Portrait.webm 7.07MB
  5661. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/05 - Arterial stiffness - 05 - Compliance - increased blood flow.webm 7.07MB
  5662. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/05 - Spain - 04 - Ribera, Martyrdom of Saint Philip.webm 7.07MB
  5663. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 20 - Convex lens examples.webm 7.06MB
  5664. Test prep/02 - MCAT - 04 - Physical processes/22 - Thin lenses - 02 - Convex lens examples.webm 7.06MB
  5665. Math/16 - Probability and statistics - 01 - Independent and dependent events/04 - Dependent probability - 07 - Calculating conditional probability.webm 7.06MB
  5666. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/01 - Production possibilities frontier - 05 - Economic growth through investment.webm 7.06MB
  5667. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 05 - 2011 Calculus AB free response #3 (c).webm 7.05MB
  5668. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 02 - Naming simple alkanes.webm 7.05MB
  5669. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 05 - Simulation showing bias in sample variance.webm 7.05MB
  5670. Math/14 - Algebra II - 03 - Polynomial and rational functions/10 - Binomial theorem - 02 - Pascal's triangle for binomial expansion.webm 7.05MB
  5671. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 09 - ALS - Amyotrophic lateral sclerosis.webm 7.05MB
  5672. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/17 - Calvin Carter - Founder of Bottle Rocket Apps - 02 - Living the company’s values.webm 7.04MB
  5673. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 07 - Apsidal precession (perihelion precession) and Milankovitch cycles.webm 7.04MB
  5674. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 12 - 'Be Prepared' with Constance McPhee.webm 7.04MB
  5675. Math/05 - 6th grade (U.S.) - 07 - Data and statistics/04 - Mean and median - 01 - Statistics intro_ Mean, median and mode.webm 7.04MB
  5676. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/01 - Measures of central tendency - 01 - Statistics intro_ Mean, median and mode.webm 7.04MB
  5677. Math/16 - Probability and statistics - 04 - Descriptive statistics/01 - Measures of central tendency - 01 - Statistics intro_ Mean, median and mode.webm 7.04MB
  5678. Math/20 - Multivariable calculus - 05 - Divergence theorem/02 - Types of regions in three dimensions - 02 - Type II regions in three dimensions.webm 7.03MB
  5679. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/17 - Calvin Carter - Founder of Bottle Rocket Apps - 04 - Making money making apps.webm 7.03MB
  5680. Math/21 - Differential equations - 01 - First order differential equations/06 - Exact equations and integrating factors - 04 - Exact equations example 2.webm 7.03MB
  5681. Test prep/02 - MCAT - 05 - Chemical processes/08 - Nucleic acids, lipids, and carbohydrates - 09 - Keto-enol tautomerization.webm 7.03MB
  5682. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/02 - Position vector functions and derivatives - 01 - Position vector valued functions.webm 7.03MB
  5683. Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/02 - Currency reserves - 03 - Speculative attack on a currency.webm 7.03MB
  5684. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 07 - Alkane with isopropyl group.webm 7.02MB
  5685. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 12 - 10 11 Calling plan.webm 7.02MB
  5686. Test prep/01 - SAT - 03 - SAT Math practice/05 - SAT Math_ Level 5 - 10 - 10 11 Calling plan.webm 7.02MB
  5687. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 06 - Averages.webm 7.02MB
  5688. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/03 - Line integrals in vector fields - 03 - Parametrization of a reverse path.webm 7.02MB
  5689. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/04 - Babylonian - 02 - Law code of Hammurabi.webm 7.02MB
  5690. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./01 - Ancient Near East - 03 - Law code of Hammurabi.webm 7.02MB
  5691. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 12 - Types of neurotransmitter receptors.webm 7.02MB
  5692. Test prep/02 - MCAT - 03 - Organ systems/04 - Neuronal synapses - 04 - Types of neurotransmitter receptors.webm 7.02MB
  5693. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 10 - IIT JEE diameter slope.webm 7.01MB
  5694. Science/03 - Chemistry - 09 - Acids and bases/01 - Acids, bases, and pH - 03 - Autoionization of water.webm 7.01MB
  5695. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 03 - Autoionization of water.webm 7.01MB
  5696. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 02 - Autoionization of water.webm 7.01MB
  5697. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 10 - Connecting income to capital growth and potential inequality.webm 7.01MB
  5698. Test prep/02 - MCAT - 07 - Behavior/07 - Social psychology - 02 - Bystander effect.webm 7.00MB
  5699. Math/19 - Integral calculus - 01 - Integrals/06 - Fundamental theorem of calculus - 01 - Fundamental theorem of calculus.webm 7.00MB
  5700. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 14 - Simple model to understand r and g relationship.webm 7.00MB
  5701. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/07 - Computing with scientific notation - 03 - Dividing in scientific notation example.webm 7.00MB
  5702. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/08 - Computing with scientific notation - 03 - Dividing in scientific notation example.webm 7.00MB
  5703. Math/10 - Algebra basics - 01 - Foundations/10 - Computing with scientific notation - 03 - Dividing in scientific notation example.webm 7.00MB
  5704. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/03 - Measuring age on earth - 03 - Carbon 14 dating 2.webm 7.00MB
  5705. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/07 - Nature - 06 - 'Sea Change' with H. Barbara Weinberg.webm 6.99MB
  5706. Math/15 - Trigonometry - 04 - Trig identities and examples/04 - Angle addition formula proofs - 01 - Proof of angle addition formula for sine.webm 6.99MB
  5707. Math/10 - Algebra basics - 03 - Linear equations and inequalities/04 - Linear inequalities - 07 - Multi-step inequalities.webm 6.99MB
  5708. Math/11 - Algebra I - 03 - Linear inequalities/01 - Thinking algebraically about inequalities - 07 - Multi-step inequalities.webm 6.99MB
  5709. Math/06 - 7th grade (U.S.) - 05 - Geometry/05 - Angles - 02 - Introduction to vertical angles.webm 6.99MB
  5710. Math/12 - Basic geometry - 02 - Angles/03 - Relationships between angles - 02 - Introduction to vertical angles.webm 6.99MB
  5711. Math/13 - Geometry - 02 - Angles and intersecting lines/02 - Angles between intersecting and parallel lines - 01 - Introduction to vertical angles.webm 6.99MB
  5712. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/03 - Constructing proportions - 02 - Solve a proportion with unknown variable.webm 6.99MB
  5713. Math/10 - Algebra basics - 03 - Linear equations and inequalities/05 - Ratios and proportions - 02 - Solve a proportion with unknown variable.webm 6.99MB
  5714. Math/11 - Algebra I - 10 - Ratios and proportions/01 - Ratios and proportions - 03 - Solve a proportion with unknown variable.webm 6.99MB
  5715. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/04 - Green's theorem - 04 - Green's theorem example 2.webm 6.98MB
  5716. Math/17 - Precalculus - 02 - Matrices/08 - Reduced row echelon form - 02 - Matrices_ Reduced row echelon form 2.webm 6.98MB
  5717. Math/22 - Linear algebra - 01 - Vectors and spaces/06 - Matrices for solving systems by elimination - 02 - Matrices_ Reduced row echelon form 2.webm 6.98MB
  5718. Math/22 - Linear algebra - 02 - Matrix transformations/05 - Finding inverses and determinants - 07 - Rule of Sarrus of determinants.webm 6.98MB
  5719. Science/03 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 07 - First and second ionization energy.webm 6.98MB
  5720. Test prep/02 - MCAT - 04 - Physical processes/27 - Periodic table - 08 - First and second ionization energy.webm 6.98MB
  5721. Math/17 - Precalculus - 06 - Sequences, series and induction/02 - Basic sequences and series - 01 - Explicit and recursive definitions of sequences.webm 6.98MB
  5722. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/01 - Sequences - 01 - Explicit and recursive definitions of sequences.webm 6.98MB
  5723. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 06 - Fundamentals_ Justification and explanation.webm 6.97MB
  5724. Partner content/04 - The Museum of Modern Art - 08 - MoMA Learning/01 - MoMA Learning - 03 - 'To Lift' by Richard Serra, 1967 - MoMA Education.webm 6.97MB
  5725. Science/06 - Health and medicine - 06 - Respiratory system diseases/12 - Throat conditions - 02 - Pharyngitis.webm 6.97MB
  5726. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/14 - Throat conditions - 02 - Pharyngitis.webm 6.97MB
  5727. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/06 - Alkyne reactions - 04 - Hydroboration-oxidation of alkynes.webm 6.97MB
  5728. Science/07 - Discoveries and projects - 03 - Robots/02 - Spout Bot with Solder - 01 - Parts for Spout.webm 6.97MB
  5729. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 11 - Biliary tree.webm 6.97MB
  5730. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 11 - Biliary tree.webm 6.97MB
  5731. Science/03 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 04 - Alpha, beta, and gamma decay.webm 6.96MB
  5732. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 06 - Alpha, beta, and gamma decay.webm 6.96MB
  5733. Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 05 - Primality test with sieve.webm 6.96MB
  5734. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 03 - Fundamentals_ Necessary and sufficient conditions.webm 6.96MB
  5735. Partner content/12 - Stanford School of Medicine - 02 - Influenza/01 - Influenza - 05 - 2 Types of Flu Vaccine.webm 6.96MB
  5736. Math/13 - Geometry - 03 - Congruence/02 - Congruence postulates - 07 - Perpendicular radius bisects chord.webm 6.96MB
  5737. Math/13 - Geometry - 07 - Circles/04 - Area of inscribed triangle - 02 - Perpendicular radius bisects chord.webm 6.96MB
  5738. Science/06 - Health and medicine - 06 - Respiratory system diseases/13 - Laryngeal conditions - 06 - Laryngomalacia.webm 6.95MB
  5739. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 06 - Laryngomalacia.webm 6.95MB
  5740. Math/21 - Differential equations - 03 - Laplace transform/01 - Laplace transform - 01 - Laplace transform 1.webm 6.95MB
  5741. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 12 - CAHSEE practice_ Problems 38-42.webm 6.95MB
  5742. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/03 - Slope of a line - 02 - Slope of a line 2.webm 6.94MB
  5743. Math/10 - Algebra basics - 04 - Graphing lines and slope/04 - Slope of a line - 02 - Slope of a line 2.webm 6.94MB
  5744. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/06 - Slope - 02 - Slope of a line 2.webm 6.94MB
  5745. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/04 - Molecular composition - 02 - Molecular mass and molecular weight.webm 6.94MB
  5746. Test prep/02 - MCAT - 01 - Biomolecules/01 - Amino acids and proteins - 04 - Special cases_ Histidine, proline, glycine, cysteine.webm 6.94MB
  5747. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/10 - Puzzles and surprises - 02 - 'Paradox' with Maryam Ekhtiar.webm 6.94MB
  5748. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 42 - GMAT_ Data sufficiency 41.webm 6.94MB
  5749. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/04 - Electrolytic cells and batteries - 02 - Quantitative electrolysis.webm 6.93MB
  5750. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 16 - Quantitative electrolysis.webm 6.93MB
  5751. Math/20 - Multivariable calculus - 05 - Divergence theorem/03 - Divergence theorem proof - 01 - Divergence theorem proof (part 1).webm 6.93MB
  5752. Science/04 - Organic chemistry - 04 - Stereochemistry/02 - Chirality and absolute configuration - 03 - Identifying chirality centers.webm 6.93MB
  5753. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 04 - Identifying chirality centers.webm 6.93MB
  5754. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/04 - Stokes' theorem intuition and application - 10 - Evaluating line integral directly - part 1.webm 6.93MB
  5755. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/05 - Classical - 02 - Myron, Discobolus (Discus Thrower), Roman copy of an ancient Greek bronze.webm 6.92MB
  5756. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/03 - Cubism and its impact - 10 - Robert Delaunay, 'Simultaneous Contrasts_ Sun and Moon'.webm 6.92MB
  5757. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 11 - Robert Delaunay, 'Simultaneous Contrasts_ Sun and Moon'.webm 6.92MB
  5758. Test prep/02 - MCAT - 02 - Cells/01 - Cell membrane overview - 05 - Cell membrane fluidity.webm 6.92MB
  5759. Math/17 - Precalculus - 07 - Hyperbolic functions/01 - Intro to hyperbolic functions - 02 - Hyperbolic functions and the unit hyperbola.webm 6.91MB
  5760. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/01 - Fauvism and Matisse - 04 - Matisse, Piano Lesson.webm 6.91MB
  5761. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/05 - Present value - 04 - Present value 3.webm 6.90MB
  5762. Arts and humanities/08 - Monarchy and enlightenment - 04 - Britain and America in the Age of Revolution/01 - Britain in the age of revolution - 02 - Reynolds, Lady Cockburn and Her Three Eldest Sons.webm 6.90MB
  5763. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 02 - Equalizing marginal utility per dollar spent.webm 6.90MB
  5764. Arts and humanities/09 - Becoming modern - 02 - Romanticism/03 - Spain - 01 - Goya, The Family of Charles IV.webm 6.89MB
  5765. Arts and humanities/07 - Renaissance and Reformation - 03 - High Renaissance in Florence and Rome/02 - The High Renaissance - 18 - Raphael, La belle jardinière.webm 6.89MB
  5766. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/03 - Mortgage-backed securities - 02 - Mortgage-backed securities I.webm 6.89MB
  5767. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 05 - Mortgage-backed securities I.webm 6.89MB
  5768. Math/11 - Algebra I - 08 - Exponent expressions and equations/01 - Properties of exponents - 05 - Negative bases and exponents classification example.webm 6.89MB
  5769. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/06 - Probability and compound events - 05 - Three pointer vs free throwing probability.webm 6.89MB
  5770. Math/16 - Probability and statistics - 01 - Independent and dependent events/03 - Compound, independent events - 05 - Three pointer vs free throwing probability.webm 6.89MB
  5771. Math/17 - Precalculus - 05 - Probability and combinatorics/03 - Compound, independent events - 07 - Three pointer vs free throwing probability.webm 6.89MB
  5772. Partner content/15 - LeBron asks - 01 - LeBron asks/01 - LeBron asks - 07 - Three pointer vs free throwing probability.webm 6.89MB
  5773. Math/18 - Differential calculus - 03 - Derivative applications/02 - Motion along a line - 03 - When is a particle speeding up.webm 6.89MB
  5774. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 10 - Work as the transfer of energy.webm 6.89MB
  5775. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/01 - Sn1 vs Sn2 - 05 - Steric hindrance.webm 6.89MB
  5776. Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 04 - Monopolist optimizing price_ Dead weight loss.webm 6.89MB
  5777. Test prep/02 - MCAT - 07 - Behavior/06 - Motivation and attitudes - 10 - Situational approach.webm 6.89MB
  5778. Math/11 - Algebra I - 07 - Quadratic equations/05 - Features of quadratic functions - 02 - Rewriting a quadratic function to find roots and vertex.webm 6.89MB
  5779. Partner content/17 - The Aspen Institute - 03 - The founding mothers of the United States of America/01 - Women in early America - 03 - Women as builders of the social safety net.webm 6.89MB
  5780. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/06 - Intersections - 06 - 'Paris - New York' with Peter Kenny.webm 6.88MB
  5781. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/02 - Titrations - 11 - Titration curves and acid-base indicators.webm 6.88MB
  5782. Test prep/02 - MCAT - 05 - Chemical processes/02 - Titrations - 09 - Titration curves and acid-base indicators.webm 6.88MB
  5783. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/02 - How the Constitution deals with civil liberties and privacy in an age of technological change - 04 - Article II of the U.S. Constitution.webm 6.88MB
  5784. Math/14 - Algebra II - 03 - Polynomial and rational functions/07 - Polynomial remainder theorem - 01 - Polynomial remainder theorem.webm 6.87MB
  5785. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 14 - Léopold Survage, 'Colored Rhythm_ Study for the Film'.webm 6.87MB
  5786. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 09 - Synapse structure.webm 6.87MB
  5787. Test prep/02 - MCAT - 03 - Organ systems/04 - Neuronal synapses - 01 - Synapse structure.webm 6.87MB
  5788. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/04 - Labor and marginal product revenue - 03 - Adding demand curves.webm 6.87MB
  5789. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/12 - Transformations - 03 - 'Fantasy' with Femke Speelberg.webm 6.87MB
  5790. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 11 - r greater than g but less inequality.webm 6.86MB
  5791. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/04 - Real and nominal GDP - 02 - GDP deflator.webm 6.86MB
  5792. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/13 - War and conquest - 07 - 'Freeze Frame' with Thayer Tolles.webm 6.86MB
  5793. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/05 - Proof of Stokes' theorem - 02 - Stokes' theorem proof part 2.webm 6.85MB
  5794. Math/10 - Algebra basics - 03 - Linear equations and inequalities/04 - Linear inequalities - 05 - Inequalities using addition and subtraction.webm 6.85MB
  5795. Math/11 - Algebra I - 03 - Linear inequalities/01 - Thinking algebraically about inequalities - 05 - Inequalities using addition and subtraction.webm 6.85MB
  5796. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 11 - Complex splitting.webm 6.84MB
  5797. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 11 - Complex splitting.webm 6.84MB
  5798. Science/02 - Physics - 03 - Forces and Newton's laws of motion/05 - Inclined planes and friction - 06 - Intuition on static and kinetic friction comparisons.webm 6.84MB
  5799. Test prep/02 - MCAT - 04 - Physical processes/07 - Forces on inclined planes - 06 - Intuition on static and kinetic friction comparisons.webm 6.84MB
  5800. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 08 - Population standard deviation.webm 6.84MB
  5801. Test prep/02 - MCAT - 02 - Cells/02 - Cell-cell interactions - 03 - Ligand Gated Ion Channels.webm 6.84MB
  5802. Test prep/02 - MCAT - 03 - Organ systems/05 - Biosignaling - 02 - Ligand Gated Ion Channels.webm 6.84MB
  5803. Economics and finance/03 - Finance and capital markets - 02 - Housing/04 - Home buying process - 02 - Title insurance.webm 6.83MB
  5804. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/02 - The square root - 06 - Adding and simplifying radicals.webm 6.83MB
  5805. Math/10 - Algebra basics - 01 - Foundations/04 - The square root - 05 - Adding and simplifying radicals.webm 6.83MB
  5806. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 16 - Mack Sennett, 'Barney Oldfield's Race for a Life'.webm 6.83MB
  5807. Partner content/18 - NASA - 03 - Exploring the Universe/02 - Mars_ Modern exploration - 04 - Pathfinder.webm 6.83MB
  5808. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 19 - Convex lenses.webm 6.82MB
  5809. Test prep/02 - MCAT - 04 - Physical processes/22 - Thin lenses - 01 - Convex lenses.webm 6.82MB
  5810. Math/13 - Geometry - 08 - Special properties and parts of triangles/01 - Perpendicular bisectors - 04 - Area circumradius formula proof.webm 6.82MB
  5811. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 09 - Area circumradius formula proof.webm 6.82MB
  5812. Science/04 - Organic chemistry - 09 - Aromatic compounds/06 - Other reactions and synthesis - 01 - Birch reduction I.webm 6.82MB
  5813. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/03 - Multiplying and dividing negative numbers - 06 - Multiplying and dividing negative numbers.webm 6.82MB
  5814. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/03 - Multiplying and dividing negative numbers - 06 - Multiplying and dividing negative numbers.webm 6.82MB
  5815. Math/16 - Probability and statistics - 02 - Probability and combinatorics/02 - Combinations - 03 - Handshaking combinations.webm 6.82MB
  5816. Math/17 - Precalculus - 05 - Probability and combinatorics/06 - Combinations - 03 - Handshaking combinations.webm 6.82MB
  5817. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 04 - Preparation of acid anhydrides.webm 6.82MB
  5818. Test prep/02 - MCAT - 05 - Chemical processes/14 - Carboxylic acids - 04 - Preparation of acid anhydrides.webm 6.82MB
  5819. Math/08 - Arithmetic - 04 - Decimals/05 - Adding and subtracting decimals - 08 - Subtracting decimals (old).webm 6.81MB
  5820. Math/09 - Pre-algebra - 03 - Decimals/05 - Adding and subtracting decimals - 08 - Subtracting decimals (old).webm 6.81MB
  5821. Science/02 - Physics - 02 - Two-dimensional motion/03 - Centripetal acceleration - 07 - Loop de loop answer part 1.webm 6.81MB
  5822. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/01 - Blood pressure - 01 - What is blood pressure_.webm 6.81MB
  5823. Math/14 - Algebra II - 03 - Polynomial and rational functions/09 - Polynomial graphs and end behavior - 01 - Polynomial end behavior.webm 6.81MB
  5824. Math/16 - Probability and statistics - 07 - Inferential statistics/05 - Hypothesis testing with one sample - 02 - One-tailed and two-tailed tests.webm 6.81MB
  5825. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 11 - Calculate your own body mass index.webm 6.81MB
  5826. Partner content/17 - The Aspen Institute - 03 - The founding mothers of the United States of America/01 - Women in early America - 02 - Women during the American Revolution.webm 6.81MB
  5827. Math/18 - Differential calculus - 02 - Taking derivatives/09 - Implicit differentiation - 01 - Implicit differentiation.webm 6.81MB
  5828. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/10 - Puzzles and surprises - 01 - 'Cracking the Code' with Dirk Breiding.webm 6.80MB
  5829. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/01 - Production possibilities frontier - 02 - Opportunity cost.webm 6.80MB
  5830. Science/06 - Health and medicine - 06 - Respiratory system diseases/13 - Laryngeal conditions - 07 - Vocal cord growths.webm 6.80MB
  5831. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/11 - Laryngeal conditions - 07 - Vocal cord growths.webm 6.80MB
  5832. Math/18 - Differential calculus - 03 - Derivative applications/06 - Optimization with calculus - 01 - Minimizing sum of squares.webm 6.80MB
  5833. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/07 - Antwerp and Bruges - 07 - Reliquary bust of a companion of Saint Ursula.webm 6.80MB
  5834. Partner content/03 - The British Museum - 04 - Europe/04 - Renaissance - 02 - Reliquary bust of a companion of Saint Ursula.webm 6.80MB
  5835. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 11 - Manet, The Balcony.webm 6.80MB
  5836. Math/17 - Precalculus - 04 - Imaginary and complex numbers/07 - Challenging complex number problems - 01 - IIT JEE complex numbers (part 1).webm 6.80MB
  5837. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 14 - IIT JEE complex numbers (part 1).webm 6.80MB
  5838. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 04 - Moholy-Nagy, Climbing the Mast.webm 6.80MB
  5839. Math/17 - Precalculus - 02 - Matrices/06 - Inverting matrices - 08 - Inverting 3x3 part 1_ Calculating matrix of minors and cofactor matrix.webm 6.79MB
  5840. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/01 - Exponential growth and decay - 01 - Exponential growth functions.webm 6.79MB
  5841. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 11 - Washer or ring method for vertical line rotation.webm 6.79MB
  5842. Math/11 - Algebra I - 01 - Introduction to algebra/07 - Super Yoga plans - 05 - Super Yoga plans_ Solving systems by elimination.webm 6.79MB
  5843. Math/11 - Algebra I - 02 - Linear equations/02 - Super Yoga plans - 05 - Super Yoga plans_ Solving systems by elimination.webm 6.79MB
  5844. Math/18 - Differential calculus - 02 - Taking derivatives/07 - Chain rule - 09 - Derivative of triple composition.webm 6.79MB
  5845. Science/04 - Organic chemistry - 09 - Aromatic compounds/06 - Other reactions and synthesis - 04 - Synthesis of substituted benzene rings I.webm 6.79MB
  5846. Science/02 - Physics - 03 - Forces and Newton's laws of motion/02 - Normal force and contact force - 01 - Normal force and contact force.webm 6.79MB
  5847. Test prep/02 - MCAT - 04 - Physical processes/06 - Normal forces - 02 - Normal force and contact force.webm 6.79MB
  5848. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 08 - Proof_ a log b _ log(b^a), log a - log b _ log(a_b).webm 6.79MB
  5849. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/01 - Photography before 1970 - 09 - Ansel Adams_ Moonrise Photograph.webm 6.78MB
  5850. Math/17 - Precalculus - 01 - Vectors/02 - Vectors in rectangular form - 01 - Adding vectors.webm 6.78MB
  5851. Math/22 - Linear algebra - 01 - Vectors and spaces/01 - Vectors - 03 - Adding vectors.webm 6.78MB
  5852. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/03 - Flux in 3D and constructing unit normal vectors to surface - 01 - Conceptual understanding of flux in three dimensions.webm 6.77MB
  5853. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/02 - The square root - 02 - Approximating square roots.webm 6.77MB
  5854. Math/15 - Trigonometry - 03 - Graphs of trig functions/01 - Graphs of trig functions - 02 - Example_ Amplitude and period.webm 6.77MB
  5855. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/12 - Transformations - 01 - 'Startled' with John Carpenter.webm 6.77MB
  5856. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/02 - Proportional relationships - 04 - Comparing proportional relationships.webm 6.77MB
  5857. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/04 - Proportional relationships - 04 - Comparing proportional relationships.webm 6.77MB
  5858. Math/14 - Algebra II - 03 - Polynomial and rational functions/07 - Polynomial remainder theorem - 05 - Polynomial remainder theorem proof.webm 6.77MB
  5859. Math/13 - Geometry - 06 - Perimeter, area, and volume/03 - Koch snowflake fractal - 04 - Area of Koch snowflake (part 2) - advanced.webm 6.77MB
  5860. Science/06 - Health and medicine - 04 - Circulatory system diseases/12 - Vasculitis - 02 - Vasculitis pathophysiology.webm 6.76MB
  5861. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/05 - Vasculitis - 02 - Vasculitis pathophysiology.webm 6.76MB
  5862. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/06 - Nomenclature and preparation of epoxides - 01 - Cyclic ethers and epoxide naming.webm 6.76MB
  5863. Science/06 - Health and medicine - 06 - Respiratory system diseases/06 - Occupational lung diseases - 01 - Occupational asthma and mesothelioma.webm 6.76MB
  5864. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/12 - Occupational lung diseases - 01 - Occupational asthma and mesothelioma.webm 6.76MB
  5865. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/04 - Post-Impressionism - 03 - Van Gogh, Self-Portrait Dedicated to Paul Gauguin.webm 6.76MB
  5866. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/13 - War and conquest - 01 - 'Head of Class' with Stuart Pyhrr.webm 6.76MB
  5867. Test prep/02 - MCAT - 07 - Behavior/03 - Behavior and genetics - 03 - Heritability.webm 6.76MB
  5868. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 03 - Bonheur, Plowing in the Nivernais.webm 6.74MB
  5869. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/01 - Beginning of World War I - 03 - Alliances leading to World War I.webm 6.74MB
  5870. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/02 - Books, music, and literature - 01 - 'String Theory' with Jayson Kerr Dobney.webm 6.74MB
  5871. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 13 - Critically looking at data on ROC and economic growth over millenia.webm 6.74MB
  5872. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 06 - Taxes and perfectly elastic demand.webm 6.74MB
  5873. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 12 - Power.webm 6.73MB
  5874. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/06 - Intersections - 01 - 'In Conversation' with Ellenor Alcorn.webm 6.73MB
  5875. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 04 - Protection of alcohols.webm 6.73MB
  5876. Test prep/02 - MCAT - 05 - Chemical processes/13 - Alcohols and phenols - 05 - Protection of alcohols.webm 6.73MB
  5877. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 03 - John Baldessari, I Will Not Make Any More Boring Art.webm 6.73MB
  5878. Math/02 - 3rd grade (U.S.) - 06 - Expressions and patterns/01 - Properties and patterns in arithmetic - 01 - Order doesn't matter when purely multiplying.webm 6.73MB
  5879. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/06 - Nomenclature and preparation of epoxides - 02 - Nomenclature and preparation of epoxides.webm 6.73MB
  5880. Math/11 - Algebra I - 05 - Systems of equations and inequalities/09 - Systems with three variables - 02 - Systems of three variables 2.webm 6.73MB
  5881. Math/14 - Algebra II - 01 - Systems of equations and inequalities/03 - Systems with three variables - 02 - Systems of three variables 2.webm 6.73MB
  5882. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 06 - Impression management.webm 6.73MB
  5883. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/04 - Inverse trig functions - 10 - Modeling annual temperature variation with trigonometry.webm 6.73MB
  5884. Math/15 - Trigonometry - 03 - Graphs of trig functions/02 - Modeling with periodic functions - 01 - Modeling annual temperature variation with trigonometry.webm 6.73MB
  5885. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 05 - Fundamentals_ Implicit premise.webm 6.73MB
  5886. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/01 - Mutual funds and ETFs - 02 - Open-end mutual fund redemptions.webm 6.73MB
  5887. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 02 - Variance of a population.webm 6.73MB
  5888. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 05 - Stomach.webm 6.72MB
  5889. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 05 - Stomach.webm 6.72MB
  5890. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 04 - Relative speed of sound in solids, liquids, and gases.webm 6.72MB
  5891. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/01 - Mutual funds and ETFs - 04 - Exchange traded funds (ETFs).webm 6.72MB
  5892. Partner content/02 - Tate - 01 - Meet 500 years of British art/04 - Early 20th century_ War and dynamism - 01 - Room_ 1910-1914.webm 6.72MB
  5893. Test prep/02 - MCAT - 08 - Individuals and society/02 - Perception, prejudice, and bias - 04 - Emotion and cognition in prejudice.webm 6.72MB
  5894. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 10 - Naming a cycloalkane.webm 6.71MB
  5895. Science/06 - Health and medicine - 02 - Human anatomy and physiology/11 - Lymphatic system introduction - 04 - Lipid and protein transport in the lymphatic system.webm 6.71MB
  5896. Test prep/02 - MCAT - 03 - Organ systems/10 - Lymphatic system - 04 - Lipid and protein transport in the lymphatic system.webm 6.71MB
  5897. Test prep/03 - NCLEX-RN - 08 - Lymphatic system/01 - Lymphatic system - 04 - Lipid and protein transport in the lymphatic system.webm 6.71MB
  5898. Math/19 - Integral calculus - 03 - Integration applications/07 - Solid of revolution volume - 02 - Disc method (rotating f(x) about x axis).webm 6.71MB
  5899. Math/13 - Geometry - 08 - Special properties and parts of triangles/03 - Medians and centroids - 05 - Proving that the centroid is 2-3rds along the median.webm 6.71MB
  5900. Test prep/02 - MCAT - 02 - Cells/08 - Embryology - 03 - Implantation.webm 6.71MB
  5901. Science/02 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 02 - Newton's first law of motion concepts.webm 6.70MB
  5902. Test prep/02 - MCAT - 04 - Physical processes/04 - Newton's laws and equilibrium - 02 - Newton's first law of motion concepts.webm 6.70MB
  5903. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/03 - Absolute value - 01 - Constructing and interpreting absolute value.webm 6.70MB
  5904. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/04 - Absolute value - 06 - Constructing and interpreting absolute value.webm 6.70MB
  5905. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/04 - Absolute value - 06 - Constructing and interpreting absolute value.webm 6.70MB
  5906. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/05 - Family and community - 04 - 'Protective' with Alison Manges Nogueira.webm 6.70MB
  5907. Partner content/18 - NASA - 03 - Exploring the Universe/02 - Mars_ Modern exploration - 05 - Mars odyssey.webm 6.69MB
  5908. Partner content/12 - Stanford School of Medicine - 05 - Breastfeeding/01 - Breastfeeding - 02 - Breastfeeding - Letdown Reflex.webm 6.69MB
  5909. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/05 - Arterial stiffness - 02 - Bernoulli's equation of total energy.webm 6.69MB
  5910. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/08 - Cranach and Altdorfer - 03 - Cranach the Elder, Cupid complaining to Venus.webm 6.68MB
  5911. Math/13 - Geometry - 10 - Transformations/01 - Symmetry - 04 - Constructing a shape by reflecting over 2 lines.webm 6.68MB
  5912. Arts and humanities/10 - Age of global conflict - 05 - Figuration and abstraction in post-war Britain/01 - Figuration and abstraction in post-war Britain - 02 - Room_ 1950s.webm 6.67MB
  5913. Partner content/02 - Tate - 01 - Meet 500 years of British art/05 - Mid-century to today_ Modernism and its legacy - 01 - Room_ 1950s.webm 6.67MB
  5914. Math/11 - Algebra I - 07 - Quadratic equations/08 - Quadratic odds and ends - 08 - Quadratic formula (proof).webm 6.67MB
  5915. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/06 - Systems word problems - 01 - Using a system of equations to find the price of apples and oranges.webm 6.67MB
  5916. Math/10 - Algebra basics - 05 - Systems of equations/02 - Systems of equations word problems - 01 - Using a system of equations to find the price of apples and oranges.webm 6.67MB
  5917. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 01 - Using a system of equations to find the price of apples and oranges.webm 6.67MB
  5918. Science/03 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 07 - Half-life of a second-order reaction.webm 6.67MB
  5919. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 10 - Half-life of a second-order reaction.webm 6.67MB
  5920. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 11 - Conservative forces.webm 6.67MB
  5921. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/02 - Neuron membrane potentials - 01 - Neuron resting potential description.webm 6.67MB
  5922. Test prep/02 - MCAT - 03 - Organ systems/03 - Neuron membrane potentials - 01 - Neuron resting potential description.webm 6.67MB
  5923. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/06 - France - 03 - Antoine or Louis Le Nain, Peasant Family in an Interior.webm 6.67MB
  5924. Math/17 - Precalculus - 06 - Sequences, series and induction/05 - Infinite geometric series - 04 - Repeating decimal as infinite geometric series.webm 6.67MB
  5925. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/04 - Geometric series - 06 - Repeating decimal as infinite geometric series.webm 6.67MB
  5926. Science/06 - Health and medicine - 12 - Executive systems of the brain/02 - Attention and language - 05 - Language and the brain_ Aphasia and split-brain patients.webm 6.67MB
  5927. Test prep/02 - MCAT - 06 - Processing the environment/10 - Language - 03 - Language and the brain_ Aphasia and split-brain patients.webm 6.67MB
  5928. Science/04 - Organic chemistry - 10 - Aldehydes and ketones/02 - Reactions of aldehydes and ketones - 01 - Formation of hydrates.webm 6.66MB
  5929. Test prep/02 - MCAT - 05 - Chemical processes/12 - Aldehydes and ketones - 04 - Formation of hydrates.webm 6.66MB
  5930. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 15 - Caravaggio, Supper at Emmaus.webm 6.66MB
  5931. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 08 - Room_ 1930s.webm 6.66MB
  5932. Partner content/02 - Tate - 01 - Meet 500 years of British art/04 - Early 20th century_ War and dynamism - 03 - Room_ 1930s.webm 6.66MB
  5933. Math/18 - Differential calculus - 02 - Taking derivatives/02 - Using secant line slopes to approximate tangent slope - 05 - Approximating instantaneous rate of change word problem.webm 6.66MB
  5934. Math/14 - Algebra II - 06 - Logarithms/04 - Logarithmic scale and patterns - 03 - Benford's law explanation (sequel to mysteries of Benford's law).webm 6.66MB
  5935. Math/13 - Geometry - 08 - Special properties and parts of triangles/03 - Medians and centroids - 01 - Triangle medians and centroids.webm 6.66MB
  5936. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Cell potentials - 04 - Using reduction potentials.webm 6.66MB
  5937. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 08 - Using reduction potentials.webm 6.66MB
  5938. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/13 - War and conquest - 04 - 'Cinematic' with Helen Evans.webm 6.65MB
  5939. Arts and humanities/05 - Ancient art and civilizations - 01 - Ancient Near East/03 - Akkadian - 01 - Victory Stele of Naram-Sin.webm 6.65MB
  5940. Math/11 - Algebra I - 02 - Linear equations/07 - Solving for a variable - 04 - Example_ Solving for a variable.webm 6.65MB
  5941. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 08 - E2 elimination_ Stereospecificity.webm 6.65MB
  5942. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 06 - E2 elimination_ Regioselectivity.webm 6.65MB
  5943. Math/18 - Differential calculus - 01 - Limits/07 - Squeeze theorem - 03 - Squeeze theorem (sandwich theorem).webm 6.65MB
  5944. Math/06 - 7th grade (U.S.) - 05 - Geometry/04 - Area, volume, and surface area - 03 - Find the volume of rectangles inside rectangles.webm 6.64MB
  5945. Math/14 - Algebra II - 01 - Systems of equations and inequalities/04 - Non-linear systems of equations - 01 - Intersecting functions example.webm 6.64MB
  5946. Arts and humanities/13 - South and East Asia - 01 - Imperial China/01 - A beginner's guide to Imperial China - 01 - Decoding Chinese calligraphy.webm 6.64MB
  5947. Partner content/09 - Asian Art Museum - 05 - China/01 - China - 08 - Decoding Chinese calligraphy.webm 6.64MB
  5948. Partner content/05 - The J. Paul Getty Museum - 02 - A brief history of glassmaking/01 - A brief history of glassmaking - 01 - Glassmaking technique_ mold-blown glass.webm 6.64MB
  5949. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 08 - Gilded Age versus Silicon Valley.webm 6.63MB
  5950. Math/13 - Geometry - 04 - Similarity/01 - Similarity and transformations - 02 - Quadrilateral similarity by showing congruent angles.webm 6.63MB
  5951. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 09 - Monet, Gare St. Lazare.webm 6.63MB
  5952. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./02 - Modernism - 02 - Monet, Gare St. Lazare.webm 6.63MB
  5953. Science/04 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 05 - Meta directors II.webm 6.63MB
  5954. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 03 - Moholy-Nagy, Composition A.XX.webm 6.63MB
  5955. Math/22 - Linear algebra - 02 - Matrix transformations/02 - Linear transformation examples - 04 - Unit vectors.webm 6.62MB
  5956. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/01 - System for solving the King's problems - 01 - Trolls, tolls, and systems of equations.webm 6.62MB
  5957. Math/11 - Algebra I - 05 - Systems of equations and inequalities/01 - A system for solving the King's problems - 01 - Trolls, tolls, and systems of equations.webm 6.62MB
  5958. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 01 - Trolls, tolls, and systems of equations.webm 6.62MB
  5959. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/03 - Word problems_ moving between units of measurement - 08 - Unit measurement word problem_ weight (US customary).webm 6.62MB
  5960. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/03 - Unit measurement word problems - 05 - Unit measurement word problem_ weight (US customary).webm 6.62MB
  5961. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 05 - Unit measurement word problem_ weight (US customary).webm 6.62MB
  5962. Math/11 - Algebra I - 07 - Quadratic equations/07 - Quadratic inequalities - 02 - Quadratic inequality example 2.webm 6.62MB
  5963. Math/11 - Algebra I - 09 - Functions/11 - Modeling with one-variable equations and inequalities - 06 - Quadratic inequality example 2.webm 6.62MB
  5964. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/03 - Series - 05 - Formula for arithmetic series.webm 6.62MB
  5965. Math/02 - 3rd grade (U.S.) - 03 - Fractions/02 - Comparing fractions - 02 - Equivalent fractions with visuals.webm 6.61MB
  5966. Partner content/19 - Big History Project - 03 - 3. Stars and Elements/02 - 3.1—Creation of Complex Elements - 01 - Threshold 3_ New Chemical Elements.webm 6.61MB
  5967. Math/19 - Integral calculus - 01 - Integrals/02 - Area under a rate function as net change - 02 - Total water in a tub.webm 6.61MB
  5968. Math/17 - Precalculus - 03 - Parametric equations and polar coordinates/02 - Polar coordinates - 03 - Polar coordinates 3.webm 6.60MB
  5969. Math/19 - Integral calculus - 01 - Integrals/05 - Functions defined by integrals - 01 - Evaluating a function defined by an integral.webm 6.60MB
  5970. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/14 - Modeling with graphs - 01 - Reasonable scale for plotting data.webm 6.60MB
  5971. Math/03 - 4th grade (U.S.) - 03 - Fractions/02 - Comparing fractions - 01 - Comparing fractions with different denominators.webm 6.60MB
  5972. Math/08 - Arithmetic - 05 - Fractions/04 - Comparing fractions - 04 - Comparing fractions with different denominators.webm 6.60MB
  5973. Math/09 - Pre-algebra - 04 - Fractions/04 - Comparing fractions - 04 - Comparing fractions with different denominators.webm 6.60MB
  5974. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/04 - Stokes' theorem intuition and application - 09 - Stokes example part 4_ Curl and final answer.webm 6.60MB
  5975. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/10 - Sal's old Maclaurin and Taylor series tutorial - 03 - Approximating functions with polynomials (part 3).webm 6.59MB
  5976. Arts and humanities/08 - Monarchy and enlightenment - 04 - Britain and America in the Age of Revolution/01 - Britain in the age of revolution - 03 - Room_ 1650-1730.webm 6.59MB
  5977. Partner content/02 - Tate - 01 - Meet 500 years of British art/02 - 16th to 18th century_ Dynasty, revolution, and the Classical Age - 02 - Room_ 1650-1730.webm 6.59MB
  5978. Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 01 - Monopoly basics.webm 6.59MB
  5979. Math/17 - Precalculus - 02 - Matrices/04 - Zero and identity matrices - 01 - Identity matrix.webm 6.59MB
  5980. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/03 - Sensory perception - 02 - Sensory adaptation.webm 6.59MB
  5981. Test prep/02 - MCAT - 06 - Processing the environment/01 - Sensory perception - 02 - Sensory adaptation.webm 6.59MB
  5982. Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 09 - Elasticity and strange percent changes.webm 6.58MB
  5983. Math/21 - Differential equations - 01 - First order differential equations/07 - Homogeneous equations - 01 - First order homogenous equations.webm 6.58MB
  5984. Math/21 - Differential equations - 03 - Laplace transform/01 - Laplace transform - 02 - Laplace transform 2.webm 6.58MB
  5985. Math/11 - Algebra I - 07 - Quadratic equations/04 - The quadratic formula (quadratic equation) - 07 - Example 4_ Applying the quadratic formula.webm 6.57MB
  5986. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/01 - Plate tectonics - 10 - How we know about the earth's core.webm 6.57MB
  5987. Math/21 - Differential equations - 01 - First order differential equations/01 - Intro to differential equations - 02 - Finding particular linear solution to differential equation.webm 6.57MB
  5988. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 03 - Bernini, Apollo and Daphne.webm 6.57MB
  5989. Partner content/17 - The Aspen Institute - 03 - The founding mothers of the United States of America/02 - An introduction to the founding mothers - 02 - Martha Washington.webm 6.57MB
  5990. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/10 - Puzzles and surprises - 03 - 'Curls' with Wolfram Koeppe.webm 6.56MB
  5991. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 18 - De Wain Valentine_ surface matters.webm 6.56MB
  5992. Math/19 - Integral calculus - 01 - Integrals/03 - Riemann sums - 09 - Ranking area estimates.webm 6.56MB
  5993. Math/13 - Geometry - 08 - Special properties and parts of triangles/04 - Altitudes - 02 - Common orthocenter and centroid.webm 6.56MB
  5994. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/01 - Alcohol nomenclature and properties - 01 - Alcohols.webm 6.56MB
  5995. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/02 - Multiplying binomials - 11 - Classic multiplying binomials video.webm 6.56MB
  5996. Test prep/02 - MCAT - 01 - Biomolecules/01 - Amino acids and proteins - 07 - Classification of amino acids.webm 6.56MB
  5997. Test prep/02 - MCAT - 05 - Chemical processes/09 - Proteins - 03 - Classification of amino acids.webm 6.56MB
  5998. Math/18 - Differential calculus - 02 - Taking derivatives/09 - Implicit differentiation - 02 - Showing explicit and implicit differentiation give same result.webm 6.56MB
  5999. Science/02 - Physics - 03 - Forces and Newton's laws of motion/03 - Balanced and unbalanced forces - 01 - Balanced and unbalanced forces.webm 6.56MB
  6000. Test prep/02 - MCAT - 04 - Physical processes/06 - Normal forces - 01 - Balanced and unbalanced forces.webm 6.56MB
  6001. Math/19 - Integral calculus - 01 - Integrals/01 - Indefinite integral as anti-derivative - 08 - Velocity and position from acceleration.webm 6.55MB
  6002. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/03 - Solving systems with substitution - 06 - Substitution method 3.webm 6.55MB
  6003. Math/11 - Algebra I - 05 - Systems of equations and inequalities/05 - Solving systems with substitution - 06 - Substitution method 3.webm 6.55MB
  6004. Science/06 - Health and medicine - 04 - Circulatory system diseases/09 - Acyanotic heart diseases - 01 - What is acyanotic heart disease_.webm 6.55MB
  6005. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/03 - Acyanotic heart diseases - 01 - What is acyanotic heart disease_.webm 6.55MB
  6006. Math/17 - Precalculus - 07 - Hyperbolic functions/01 - Intro to hyperbolic functions - 01 - Hyperbolic function inspiration.webm 6.55MB
  6007. Test prep/02 - MCAT - 07 - Behavior/09 - Normative and non-normative behavior - 02 - Perspectives on deviance_ Differential association, labeling theory, and strain theory.webm 6.55MB
  6008. Math/18 - Differential calculus - 03 - Derivative applications/03 - Critical points and graphing with calculus - 01 - Minima, maxima and critical points.webm 6.54MB
  6009. Math/01 - Early math - 03 - Addition and subtraction/04 - Word problems within 20 - 02 - Exercising gorillas.webm 6.54MB
  6010. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/05 - Tests for convergence and divergence - 01 - The nth term divergence test.webm 6.54MB
  6011. Science/01 - Biology - 01 - Cellular and molecular biology/01 - Cells - 02 - Nuclei, membranes, ribosomes, eukaryotes and prokaryotes.webm 6.54MB
  6012. Math/07 - 8th grade (U.S.) - 06 - Data and modeling/04 - Two-way tables - 01 - Two-way frequency tables and Venn diagrams.webm 6.54MB
  6013. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 01 - Bellows, Pennsylvania Station Excavation.webm 6.53MB
  6014. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 06 - Multifocal atrial tachycardia (MAT).webm 6.53MB
  6015. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 06 - Multifocal atrial tachycardia (MAT).webm 6.53MB
  6016. Partner content/18 - NASA - 02 - Measuring the Universe/01 - Modeling the solar system - 01 - Conjunctions.webm 6.53MB
  6017. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/01 - System for solving the King's problems - 02 - Solving the troll riddle visually.webm 6.53MB
  6018. Math/11 - Algebra I - 05 - Systems of equations and inequalities/01 - A system for solving the King's problems - 02 - Solving the troll riddle visually.webm 6.53MB
  6019. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 02 - Solving the troll riddle visually.webm 6.53MB
  6020. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/02 - The demand curve - 02 - Price of related products and demand.webm 6.52MB
  6021. Math/07 - 8th grade (U.S.) - 05 - Geometry/06 - Special right triangles - 01 - 30-60-90 triangle side ratios proof.webm 6.52MB
  6022. Math/12 - Basic geometry - 07 - The Pythagorean theorem/02 - Special right triangles - 01 - 30-60-90 triangle side ratios proof.webm 6.52MB
  6023. Math/13 - Geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 01 - 30-60-90 triangle side ratios proof.webm 6.52MB
  6024. Partner content/17 - The Aspen Institute - 03 - The founding mothers of the United States of America/01 - Women in early America - 01 - Women in colonial America.webm 6.52MB
  6025. Math/07 - 8th grade (U.S.) - 02 - Solving equations/01 - Linear equations in one variable - 01 - Variables on both sides.webm 6.52MB
  6026. Math/10 - Algebra basics - 03 - Linear equations and inequalities/03 - Solving fancier linear equations - 01 - Variables on both sides.webm 6.52MB
  6027. Math/11 - Algebra I - 02 - Linear equations/05 - More fancy equations for beginners - 01 - Variables on both sides.webm 6.52MB
  6028. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/04 - Triangle similarity and slope - 01 - Similar triangles to prove that the slope is constant for a line.webm 6.52MB
  6029. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/12 - Triangle similarity and constant slope - 01 - Similar triangles to prove that the slope is constant for a line.webm 6.52MB
  6030. Science/06 - Health and medicine - 06 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 02 - Respiratory distress.webm 6.52MB
  6031. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 02 - Respiratory distress.webm 6.52MB
  6032. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/06 - Alkyne reactions - 03 - Hydration of alkynes.webm 6.51MB
  6033. Partner content/01 - The Metropolitan Museum of Art - 02 - Extravagant Inventions/01 - Extravagant Inventions - 03 - Rolltop Desk by David Roentgen (demonstration).webm 6.51MB
  6034. Math/18 - Differential calculus - 03 - Derivative applications/08 - Related rates - 01 - Rates of change between radius and area of circle.webm 6.51MB
  6035. Math/18 - Differential calculus - 01 - Limits/08 - Epsilon delta definition of limits - 03 - Epsilon-delta definition of limits.webm 6.51MB
  6036. Partner content/17 - The Aspen Institute - 01 - The founding documents of the United States of America/03 - The Constitution of the United States - 07 - The Constitution and 'We, the People of the United States'.webm 6.50MB
  6037. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/04 - Alkene reactions - 06 - Halogenation.webm 6.50MB
  6038. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 15 - Proton NMR practice 3.webm 6.50MB
  6039. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 15 - Proton NMR practice 3.webm 6.50MB
  6040. Economics and finance/04 - Entrepreneurship - 01 - Interviews with entrepreneurs/09 - Danny O'Neill - President of The Roasterie - 04 - Danny O'Neill - Differentiation in your market.webm 6.50MB
  6041. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/02 - How the Constitution deals with civil liberties and privacy in an age of technological change - 05 - Article III of the U.S. Constitution.webm 6.49MB
  6042. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/04 - IS-LM model - 04 - LM part of the IS-LM model.webm 6.49MB
  6043. Arts and humanities/01 - History - 04 - Before 1300_ Ancient and Medieval history/02 - Medieval - 01 - Sutton Hoo ship burial.webm 6.49MB
  6044. Arts and humanities/06 - Medieval Europe - 05 - Latin (Western) Europe/01 - Early medieval - 01 - Sutton Hoo ship burial.webm 6.49MB
  6045. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/05 - Function notation - 01 - What is a function_.webm 6.49MB
  6046. Math/11 - Algebra I - 09 - Functions/01 - Function introduction - 01 - What is a function_.webm 6.49MB
  6047. Math/14 - Algebra II - 02 - Functions and their graphs/01 - Function introduction - 01 - What is a function_.webm 6.49MB
  6048. Math/14 - Algebra II - 02 - Functions and their graphs/07 - Piecewise functions - 01 - What is a function_.webm 6.49MB
  6049. Test prep/02 - MCAT - 07 - Behavior/09 - Normative and non-normative behavior - 03 - Aspects of Collective Behavior_ Fads, Mass Hysteria, and Riots.webm 6.49MB
  6050. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/02 - Books, music, and literature - 03 - 'Motion Picture' with Asher Miller.webm 6.48MB
  6051. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/01 - What is a dinosaur_ - 03 - How do we know which kinds of dinosaurs were most closely related_.webm 6.48MB
  6052. Partner content/02 - Tate - 01 - Meet 500 years of British art/03 - 19th century_ Romanticism and the Victorian Era - 01 - Room_ 1810-1840.webm 6.48MB
  6053. Science/02 - Physics - 03 - Forces and Newton's laws of motion/03 - Balanced and unbalanced forces - 02 - Unbalanced forces and motion.webm 6.47MB
  6054. Test prep/02 - MCAT - 04 - Physical processes/04 - Newton's laws and equilibrium - 04 - Unbalanced forces and motion.webm 6.47MB
  6055. Science/06 - Health and medicine - 04 - Circulatory system diseases/03 - Hypertension - 03 - Hypertension effects on the blood vessels.webm 6.47MB
  6056. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 08 - Monet, The Argenteuil Bridge.webm 6.47MB
  6057. Arts and humanities/10 - Age of global conflict - 03 - World War I, Futurism and Dada/01 - Futurism and the Great War - 02 - 1913 - Schiess-Dusseldorf by Ludwig Hohlwein.webm 6.47MB
  6058. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 20 - 1913 - Schiess-Dusseldorf by Ludwig Hohlwein.webm 6.47MB
  6059. Partner content/14 - MIT_K12 - 02 - Natural Science/01 - Natural Science - 01 - The food chain.webm 6.47MB
  6060. Science/06 - Health and medicine - 04 - Circulatory system diseases/11 - Shock - 01 - What is shock_.webm 6.47MB
  6061. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/10 - Shock - 01 - What is shock_.webm 6.47MB
  6062. Math/13 - Geometry - 03 - Congruence/02 - Congruence postulates - 08 - Congruent triangle proof example.webm 6.47MB
  6063. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/08 - Leveraged buy-outs - 01 - Basic leveraged buyout (LBO).webm 6.46MB
  6064. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./02 - Modernism - 06 - de Kooning's Woman I.webm 6.46MB
  6065. Math/19 - Integral calculus - 01 - Integrals/07 - Evaluating definite integrals - 05 - Definite integrals and negative area.webm 6.45MB
  6066. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Cell potentials - 08 - Nernst equation.webm 6.45MB
  6067. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 12 - Nernst equation.webm 6.45MB
  6068. Science/06 - Health and medicine - 08 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 04 - Anemia of chronic disease.webm 6.45MB
  6069. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 04 - Anemia of chronic disease.webm 6.45MB
  6070. Math/22 - Linear algebra - 02 - Matrix transformations/04 - Inverse functions and transformations - 04 - Relating invertibility to being onto and one-to-one.webm 6.45MB
  6071. Math/13 - Geometry - 03 - Congruence/03 - Congruence and isosceles and equilateral triangles - 03 - Equilateral and isosceles example problems.webm 6.45MB
  6072. Math/08 - Arithmetic - 02 - Multiplication and division/07 - Lattice multiplication - 01 - Lattice multiplication.webm 6.45MB
  6073. Math/17 - Precalculus - 04 - Imaginary and complex numbers/04 - Multiplying and dividing complex numbers - 02 - Complex conjugates.webm 6.44MB
  6074. Science/06 - Health and medicine - 02 - Human anatomy and physiology/01 - Circulatory system introduction - 06 - Thermoregulation in the circulatory system.webm 6.44MB
  6075. Test prep/02 - MCAT - 03 - Organ systems/07 - Circulatory system - 10 - Thermoregulation in the circulatory system.webm 6.44MB
  6076. Test prep/03 - NCLEX-RN - 02 - Circulatory system/01 - Circulatory system - 09 - Thermoregulation in the circulatory system.webm 6.44MB
  6077. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/02 - Consumption function - 01 - Consumption function basics.webm 6.44MB
  6078. Science/06 - Health and medicine - 04 - Circulatory system diseases/03 - Hypertension - 05 - 4 lifestyle changes to help manage hypertension.webm 6.44MB
  6079. Math/19 - Integral calculus - 01 - Integrals/03 - Riemann sums - 05 - Riemann sum when function is negative.webm 6.43MB
  6080. Math/16 - Probability and statistics - 07 - Inferential statistics/04 - Bernoulli distributions and margin of error - 02 - Bernoulli distribution mean and variance formulas.webm 6.43MB
  6081. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/04 - Triangle similarity and slope - 04 - Slope and triangle similarity 3.webm 6.43MB
  6082. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/12 - Triangle similarity and constant slope - 04 - Slope and triangle similarity 3.webm 6.43MB
  6083. Math/13 - Geometry - 04 - Similarity/03 - Solving problems with similar and congruent triangles - 03 - Triangle similarity in pool.webm 6.43MB
  6084. Math/11 - Algebra I - 10 - Ratios and proportions/03 - Rational and irrational numbers - 06 - Proof that square root of 2 is irrational.webm 6.42MB
  6085. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/03 - Western and Eastern fronts of World War I - 02 - Comparing the Eastern and Western fronts in WWI.webm 6.42MB
  6086. Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/01 - Cash versus accrual accounting - 02 - Accrual basis of accounting.webm 6.41MB
  6087. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/05 - Naming and preparing alkynes - 02 - Alkyne acidity and alkylation.webm 6.41MB
  6088. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/04 - Blood vessels - 03 - Pre-capillary sphincters.webm 6.40MB
  6089. Math/14 - Algebra II - 02 - Functions and their graphs/08 - Shifting and reflecting functions - 01 - Shifting and reflecting functions.webm 6.40MB
  6090. Science/03 - Chemistry - 14 - Nuclear chemistry/01 - Radioactive decay - 06 - Half-life plot.webm 6.40MB
  6091. Test prep/02 - MCAT - 04 - Physical processes/25 - Atomic nucleus - 08 - Half-life plot.webm 6.40MB
  6092. Test prep/02 - MCAT - 01 - Biomolecules/05 - Gene control - 03 - Regulation of transcription.webm 6.40MB
  6093. Computing/02 - Computer science - 02 - Journey into cryptography/06 - Primality test - 04 - Sieve of Eratosthenes.webm 6.40MB
  6094. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/02 - Seismic waves and how we know earth's structure - 04 - The mohorovicic seismic discontinuity.webm 6.40MB
  6095. Math/19 - Integral calculus - 02 - Integration techniques/02 - u-substitution - 05 - u-substitution with exponential function.webm 6.40MB
  6096. Science/05 - Cosmology and astronomy - 04 - Life on earth and in the universe/02 - Humanity on earth - 03 - Correction calendar notation.webm 6.40MB
  6097. Science/04 - Organic chemistry - 04 - Stereochemistry/03 - Optical activity - 02 - Optical activity II_ Calculations.webm 6.40MB
  6098. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/06 - Estimating infinite series - 02 - Estimating infinite series using integrals.webm 6.39MB
  6099. Math/17 - Precalculus - 06 - Sequences, series and induction/02 - Basic sequences and series - 02 - Arithmetic sequences.webm 6.39MB
  6100. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 17 - A taste of mount sharp.webm 6.39MB
  6101. Math/11 - Algebra I - 01 - Introduction to algebra/06 - The why of algebra - 08 - Why we do the same thing to both sides_ Multi-step equations.webm 6.39MB
  6102. Math/11 - Algebra I - 02 - Linear equations/01 - The why of algebra - 08 - Why we do the same thing to both sides_ Multi-step equations.webm 6.39MB
  6103. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 03 - Disc method around y-axis.webm 6.39MB
  6104. Math/15 - Trigonometry - 04 - Trig identities and examples/03 - Angle addition formulas - 03 - Another example using angle addition formula with cosine.webm 6.38MB
  6105. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/05 - Solving equations and inequalities with substitution - 01 - Variables, expressions, and equations.webm 6.38MB
  6106. Math/11 - Algebra I - 01 - Introduction to algebra/08 - Getting a feel for equations and inequalities - 01 - Variables, expressions, and equations.webm 6.38MB
  6107. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/04 - Orthonormal bases and the Gram-Schmidt process - 04 - Finding projection onto subspace with orthonormal basis example.webm 6.38MB
  6108. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/01 - Reading and interpreting data - 01 - Stem-and-leaf plots.webm 6.37MB
  6109. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/07 - Variables and equations word problem_ Super Yoga - 01 - Variables and equations word problem_ Putting them to work for Super Yoga.webm 6.37MB
  6110. Math/11 - Algebra I - 01 - Introduction to algebra/07 - Super Yoga plans - 01 - Variables and equations word problem_ Putting them to work for Super Yoga.webm 6.37MB
  6111. Math/11 - Algebra I - 02 - Linear equations/02 - Super Yoga plans - 01 - Variables and equations word problem_ Putting them to work for Super Yoga.webm 6.37MB
  6112. Math/14 - Algebra II - 02 - Functions and their graphs/08 - Shifting and reflecting functions - 03 - Flipping and shifting radical functions.webm 6.36MB
  6113. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 15 - Virtual image.webm 6.36MB
  6114. Test prep/02 - MCAT - 04 - Physical processes/23 - Spherical mirrors - 01 - Virtual image.webm 6.36MB
  6115. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/05 - Family and community - 07 - 'Snapshot' with Marsha Hill.webm 6.36MB
  6116. Math/10 - Algebra basics - 04 - Graphing lines and slope/06 - Constructing equations in slope-intercept form - 06 - Constructing the equation of a line given two points.webm 6.36MB
  6117. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/08 - Constructing equations in slope-intercept form - 07 - Constructing the equation of a line given two points.webm 6.36MB
  6118. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 02 - Joseph Beuys, Table with Accumulator.webm 6.35MB
  6119. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/01 - United States - 06 - Sherman, Untitled Film Still #21.webm 6.35MB
  6120. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/02 - Expressionism - 05 - Schiele, Seated Male Nude (Self-Portrait).webm 6.35MB
  6121. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/03 - Exponent properties - 05 - Exponent rules part 2.webm 6.35MB
  6122. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/04 - Exponent properties - 02 - Exponent rules part 2.webm 6.35MB
  6123. Math/18 - Differential calculus - 03 - Derivative applications/04 - Absolute and relative maxima and minima - 01 - Extreme value theorem.webm 6.35MB
  6124. Science/03 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 05 - Ideal gas equation example 3.webm 6.34MB
  6125. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/04 - Cepheid variables - 02 - Why cepheids pulsate.webm 6.34MB
  6126. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/03 - Credit cards and loans - 01 - Annual percentage rate (APR) and effective APR.webm 6.34MB
  6127. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/05 - Tests for convergence and divergence - 05 - Famous proof that harmonic series diverges.webm 6.34MB
  6128. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 06 - Exactly three heads in five flips.webm 6.33MB
  6129. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 06 - Exactly three heads in five flips.webm 6.33MB
  6130. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 09 - 2011 Calculus AB free response #4d.webm 6.33MB
  6131. Science/06 - Health and medicine - 04 - Circulatory system diseases/10 - Cyanotic heart diseases - 09 - Ebstein's anomoly.webm 6.33MB
  6132. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/04 - Cyanotic heart diseases - 09 - Ebstein's anomoly.webm 6.33MB
  6133. Math/11 - Algebra I - 07 - Quadratic equations/07 - Quadratic inequalities - 01 - Quadratic inequality example.webm 6.33MB
  6134. Math/11 - Algebra I - 09 - Functions/11 - Modeling with one-variable equations and inequalities - 05 - Quadratic inequality example.webm 6.33MB
  6135. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/01 - Sn1 vs Sn2 - 07 - Sn1 and Sn2 solvents effects.webm 6.33MB
  6136. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/06 - Intersections - 02 - 'She' with Jason Sun.webm 6.33MB
  6137. Math/07 - 8th grade (U.S.) - 05 - Geometry/02 - Angles between intersecting lines - 01 - Angles formed by parallel lines and transversals.webm 6.33MB
  6138. Math/12 - Basic geometry - 02 - Angles/03 - Relationships between angles - 03 - Angles formed by parallel lines and transversals.webm 6.33MB
  6139. Math/13 - Geometry - 02 - Angles and intersecting lines/02 - Angles between intersecting and parallel lines - 04 - Angles formed by parallel lines and transversals.webm 6.33MB
  6140. Partner content/05 - The J. Paul Getty Museum - 02 - A brief history of glassmaking/01 - A brief history of glassmaking - 02 - Glassmaking technique_ Roman mold-blown glass.webm 6.32MB
  6141. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 01 - Newman's Onement I, 1948.webm 6.32MB
  6142. Test prep/02 - MCAT - 07 - Behavior/04 - Theories of personality - 03 - Humanistic theory.webm 6.32MB
  6143. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 01 - Böcklin, Self-Portrait with Death Playing the Fiddle.webm 6.31MB
  6144. Science/04 - Organic chemistry - 13 - Amines/01 - Naming amines - 01 - Amine naming introduction.webm 6.31MB
  6145. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/01 - Sn1 vs Sn2 - 03 - Sn2 reactions.webm 6.31MB
  6146. Arts and humanities/10 - Age of global conflict - 02 - Early abstraction_ Fauvism, Expressionism, and Cubism/02 - Expressionism - 07 - Vasily Kandinsky, 'Klänge (Sounds)'.webm 6.31MB
  6147. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 04 - Vasily Kandinsky, 'Klänge (Sounds)'.webm 6.31MB
  6148. Math/23 - Recreational math - 02 - Puzzles/01 - Brain teasers - 05 - Blue forehead room brain teaser.webm 6.31MB
  6149. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/03 - Understanding company statements and capital structure - 04 - Market value of assets.webm 6.31MB
  6150. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 01 - Bernini, Pluto and Proserpina.webm 6.30MB
  6151. Math/18 - Differential calculus - 02 - Taking derivatives/06 - Power rule - 04 - Proof_ d_dx(x^n).webm 6.30MB
  6152. Computing/02 - Computer science - 02 - Journey into cryptography/07 - Randomized algorithms - 03 - Random primality test (warm up).webm 6.30MB
  6153. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/02 - The demand curve - 05 - Normal and inferior goods.webm 6.30MB
  6154. Science/03 - Chemistry - 03 - Electronic structure of atoms/01 - Bohr's model of the hydrogen atom - 03 - Bohr model radii.webm 6.30MB
  6155. Test prep/02 - MCAT - 04 - Physical processes/26 - Electronic structure - 03 - Bohr model radii.webm 6.30MB
  6156. Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 05 - Hybrid ARM.webm 6.30MB
  6157. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/05 - Proof of Stokes' theorem - 04 - Stokes' theorem proof part 4.webm 6.29MB
  6158. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/03 - Public goods and externalities - 04 - Tragedy of the commons.webm 6.29MB
  6159. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/01 - The modern U.S. Supreme Court on privacy and civil liberties - 07 - U.S. Supreme Court Justice Ruth Bader Ginsburg on civil liberties and privacy.webm 6.29MB
  6160. Science/03 - Chemistry - 09 - Acids and bases/02 - Acid-base equilibria - 08 - Acid-base properties of salts.webm 6.29MB
  6161. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 09 - Acid-base properties of salts.webm 6.29MB
  6162. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 08 - Acid-base properties of salts.webm 6.29MB
  6163. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/04 - Sight (vision) - 05 - Photoreceptor distribution in the fovea.webm 6.29MB
  6164. Test prep/02 - MCAT - 06 - Processing the environment/02 - Sight (vision) - 05 - Photoreceptor distribution in the fovea.webm 6.29MB
  6165. Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/01 - Balance of payments- current account and capital account - 01 - Balance of payments_ Current account.webm 6.28MB
  6166. Science/04 - Organic chemistry - 09 - Aromatic compounds/04 - Electrophilic aromatic substitution - 01 - Electrophilic aromatic substitution mechanism.webm 6.28MB
  6167. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/07 - Hellenistic - 02 - Dying Gaul.webm 6.28MB
  6168. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 07 - Interpreting linear functions example 2.webm 6.28MB
  6169. Math/11 - Algebra I - 09 - Functions/07 - Analyzing linear functions - 05 - Interpreting linear functions example 2.webm 6.28MB
  6170. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/03 - James Madison - 09 - Madison, foreign policy, and declaring war.webm 6.28MB
  6171. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 02 - Algebra_ Linear equations 1.webm 6.27MB
  6172. Science/06 - Health and medicine - 06 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 03 - Streptococcus pneumoniae and flu vaccines.webm 6.27MB
  6173. Science/06 - Health and medicine - 06 - Respiratory system diseases/08 - Pneumonia - 02 - Streptococcus pneumoniae and flu vaccines.webm 6.27MB
  6174. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/01 - Introduction to pulmonary diseases - 03 - Streptococcus pneumoniae and flu vaccines.webm 6.27MB
  6175. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/08 - Pneumonia - 03 - Streptococcus pneumoniae and flu vaccines.webm 6.27MB
  6176. Test prep/02 - MCAT - 01 - Biomolecules/01 - Amino acids and proteins - 03 - Peptide bonds_ Formation and cleavage.webm 6.27MB
  6177. Test prep/02 - MCAT - 05 - Chemical processes/09 - Proteins - 04 - Peptide bonds_ Formation and cleavage.webm 6.27MB
  6178. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/02 - Trig problems on the unit circle - 03 - Matching ratios to trig functions.webm 6.27MB
  6179. Test prep/02 - MCAT - 04 - Physical processes/11 - Gas phase - 03 - Definition of an ideal gas, ideal gas law.webm 6.27MB
  6180. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 01 - PPACA or 'Obamacare'.webm 6.27MB
  6181. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/05 - Sn1 and Sn2 - 04 - Sn1 reaction_ Stereochemistry.webm 6.27MB
  6182. Science/06 - Health and medicine - 04 - Circulatory system diseases/12 - Vasculitis - 11 - Henoch-Schonlein purpura.webm 6.26MB
  6183. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/05 - Vasculitis - 11 - Henoch-Schonlein purpura.webm 6.26MB
  6184. Math/11 - Algebra I - 09 - Functions/08 - Function inverses - 03 - Restricting function domain to make invertible.webm 6.26MB
  6185. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/01 - Body and mind - 05 - 'Thinking Aloud' with Carmen Bambach.webm 6.26MB
  6186. Arts and humanities/07 - Renaissance and Reformation - 05 - Mannerism/01 - Mannerism - 03 - Parmigianino, Self-Portrait in a Convex Mirror.webm 6.26MB
  6187. Arts and humanities/07 - Renaissance and Reformation - 04 - The Renaissance in Venice/02 - Late Renaissance in Venice - 04 - Bellini and Titian, the Feast of the Gods.webm 6.25MB
  6188. Math/14 - Algebra II - 02 - Functions and their graphs/11 - Undefined and indeterminate answers - 03 - Undefined and indeterminate.webm 6.25MB
  6189. Math/20 - Multivariable calculus - 05 - Divergence theorem/02 - Types of regions in three dimensions - 03 - Type III regions in three dimensions.webm 6.25MB
  6190. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 12 - Circuits (part 4).webm 6.25MB
  6191. Test prep/02 - MCAT - 04 - Physical processes/14 - Current and resistance - 04 - Circuits (part 4).webm 6.25MB
  6192. Partner content/05 - The J. Paul Getty Museum - 09 - Drawings/01 - Drawings - 04 - Henri Toulouse-Lautrec's circus drawings.webm 6.25MB
  6193. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/03 - Constructing proportions - 03 - Solve a proportion with unknown variable word problem.webm 6.24MB
  6194. Math/11 - Algebra I - 10 - Ratios and proportions/01 - Ratios and proportions - 04 - Solve a proportion with unknown variable word problem.webm 6.24MB
  6195. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/01 - Mutual funds and ETFs - 03 - Closed-end mutual funds.webm 6.24MB
  6196. Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 07 - Calculating federal taxes and take home pay.webm 6.24MB
  6197. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/02 - Historical circumstances explained by AD_AS - 02 - Real GDP driving price.webm 6.24MB
  6198. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 05 - Algebra_ Linear equations 4.webm 6.24MB
  6199. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 14 - Total internal reflection.webm 6.23MB
  6200. Test prep/02 - MCAT - 04 - Physical processes/24 - Reflection and refraction - 07 - Total internal reflection.webm 6.23MB
  6201. Math/14 - Algebra II - 07 - Imaginary and complex numbers/01 - The imaginary unit i - 04 - i as the principal root of -1 (a little technical).webm 6.23MB
  6202. Math/17 - Precalculus - 04 - Imaginary and complex numbers/01 - The imaginary unit i - 04 - i as the principal root of -1 (a little technical).webm 6.23MB
  6203. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 11 - 2011 Calculus BC free response #3a.webm 6.23MB
  6204. Test prep/02 - MCAT - 10 - Social inequality/01 - Social inequality - 03 - Class consciousness and false consciousness.webm 6.23MB
  6205. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 13 - Constructing and interpreting a linear function.webm 6.23MB
  6206. Math/11 - Algebra I - 09 - Functions/07 - Analyzing linear functions - 10 - Constructing and interpreting a linear function.webm 6.23MB
  6207. Economics and finance/03 - Finance and capital markets - 04 - Taxes/02 - Corporate taxation - 03 - Transfer pricing and tax havens.webm 6.23MB
  6208. Science/02 - Physics - 03 - Forces and Newton's laws of motion/04 - Slow sock on Lubricon VI - 02 - Normal forces on Lubricon VI.webm 6.23MB
  6209. Test prep/02 - MCAT - 04 - Physical processes/06 - Normal forces - 05 - Normal forces on Lubricon VI.webm 6.23MB
  6210. Math/07 - 8th grade (U.S.) - 05 - Geometry/06 - Special right triangles - 03 - 30-60-90 triangle example problem.webm 6.23MB
  6211. Math/12 - Basic geometry - 07 - The Pythagorean theorem/02 - Special right triangles - 03 - 30-60-90 triangle example problem.webm 6.23MB
  6212. Math/13 - Geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 03 - 30-60-90 triangle example problem.webm 6.23MB
  6213. Test prep/02 - MCAT - 01 - Biomolecules/05 - Gene control - 04 - Post-transcriptional regulation.webm 6.22MB
  6214. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/03 - Stellar parallax - 01 - Parallax in observing stars.webm 6.22MB
  6215. Science/03 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 05 - Second-order reaction (with calculus).webm 6.22MB
  6216. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 08 - Second-order reaction (with calculus).webm 6.22MB
  6217. Science/06 - Health and medicine - 07 - Advanced hematologic system physiology/01 - Bleeding and impaired hemostasis - 01 - Hemostasis.webm 6.22MB
  6218. Math/11 - Algebra I - 09 - Functions/08 - Function inverses - 06 - Function inverses example 3.webm 6.22MB
  6219. Math/14 - Algebra II - 02 - Functions and their graphs/06 - Function inverses - 04 - Function inverses example 3.webm 6.22MB
  6220. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/09 - Hans Holbein - 03 - Holbein the Younger, Christina of Denmark.webm 6.22MB
  6221. Math/11 - Algebra I - 07 - Quadratic equations/06 - Graphing quadratics - 07 - Shifting and scaling parabolas.webm 6.21MB
  6222. Math/13 - Geometry - 05 - Right triangles and trigonometry/04 - Sine, cosine and tangent trigonometric functions - 04 - Example_ Trig to solve the sides and angles of a right triangle.webm 6.21MB
  6223. Math/15 - Trigonometry - 01 - Basic trigonometry/01 - Basic trigonometric ratios - 04 - Example_ Trig to solve the sides and angles of a right triangle.webm 6.21MB
  6224. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/04 - Metric system unit conversion - 03 - Perimeter and unit conversion.webm 6.21MB
  6225. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/04 - Latin American Modernism - 01 - Frida Kahlo, Frieda and Diego Rivera.webm 6.21MB
  6226. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 07 - 'Unfinished' with Andrea Bayer.webm 6.21MB
  6227. Math/11 - Algebra I - 09 - Functions/06 - Evaluating function expressions - 01 - Quotient of functions.webm 6.20MB
  6228. Math/14 - Algebra II - 02 - Functions and their graphs/02 - Function expressions - 04 - Quotient of functions.webm 6.20MB
  6229. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/03 - Public goods and externalities - 02 - Taxes for factoring in negative externalities.webm 6.20MB
  6230. Math/05 - 6th grade (U.S.) - 06 - Geometry/01 - Coordinate plane - 01 - The coordinate plane.webm 6.20MB
  6231. Math/10 - Algebra basics - 04 - Graphing lines and slope/01 - Graphing on the coordinate plane - 02 - The coordinate plane.webm 6.20MB
  6232. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/01 - Coordinate plane - 02 - The coordinate plane.webm 6.20MB
  6233. Math/12 - Basic geometry - 04 - The coordinate plane/01 - Coordinate plane - 01 - The coordinate plane.webm 6.20MB
  6234. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 01 - Mixture problems 2.webm 6.20MB
  6235. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/04 - Molecular composition - 04 - Molecular weight percentages.webm 6.19MB
  6236. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/13 - War and conquest - 02 - 'Winners and Losers' with Xavier Salomon.webm 6.19MB
  6237. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 06 - CAHSEE practice_ Problems 17-19.webm 6.19MB
  6238. Science/01 - Biology - 01 - Cellular and molecular biology/03 - Cellular respiration - 01 - ATP_ Adenosine triphosphate.webm 6.18MB
  6239. Science/01 - Biology - 01 - Cellular and molecular biology/04 - Photosynthesis - 01 - ATP_ Adenosine triphosphate.webm 6.18MB
  6240. Test prep/02 - MCAT - 01 - Biomolecules/11 - Overview of metabolism - 02 - ATP_ Adenosine triphosphate.webm 6.18MB
  6241. Math/08 - Arithmetic - 01 - Addition and subtraction/01 - Intro to addition and subtraction - 01 - Basic addition.webm 6.18MB
  6242. Math/11 - Algebra I - 05 - Systems of equations and inequalities/10 - Modeling constraints - 01 - Making money from cows and ostriches.webm 6.18MB
  6243. Arts and humanities/10 - Age of global conflict - 03 - World War I, Futurism and Dada/01 - Futurism and the Great War - 04 - Room_ 1914 and 1915.webm 6.17MB
  6244. Partner content/02 - Tate - 01 - Meet 500 years of British art/04 - Early 20th century_ War and dynamism - 02 - Room_ 1914 and 1915.webm 6.17MB
  6245. Math/18 - Differential calculus - 02 - Taking derivatives/09 - Implicit differentiation - 05 - Implicit derivative of (x^2_y^2)^3 _ 5x^2y^2.webm 6.17MB
  6246. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 02 - Galvanic cell voltaic cell.webm 6.17MB
  6247. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 02 - Galvanic cell voltaic cell.webm 6.17MB
  6248. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 06 - Mondrian, Composition No. II, with Red and Blue.webm 6.16MB
  6249. Math/19 - Integral calculus - 01 - Integrals/01 - Indefinite integral as anti-derivative - 03 - Antiderivative of x^-1.webm 6.16MB
  6250. Science/01 - Biology - 01 - Cellular and molecular biology/03 - Cellular respiration - 09 - Oxidative phosphorylation and chemiosmosis.webm 6.16MB
  6251. Test prep/02 - MCAT - 01 - Biomolecules/14 - Krebs (citric acid) cycle and oxidative phosphorylation - 05 - Oxidative phosphorylation and chemiosmosis.webm 6.16MB
  6252. Science/06 - Health and medicine - 08 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 06 - Iron deficiency and anemia of chronic disease treatment.webm 6.16MB
  6253. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 06 - Iron deficiency and anemia of chronic disease treatment.webm 6.16MB
  6254. Test prep/02 - MCAT - 04 - Physical processes/08 - Work and energy - 04 - Work example problems.webm 6.16MB
  6255. Science/07 - Discoveries and projects - 03 - Robots/03 - Spout Bot without Solder - 01 - Tools and parts to build a Spout.webm 6.15MB
  6256. Partner content/07 - Exploratorium - 03 - Electromagnetism/02 - Turning Light into Sound - 02 - Build and test the receiver.webm 6.15MB
  6257. Science/02 - Physics - 02 - Two-dimensional motion/03 - Centripetal acceleration - 08 - Loop de loop answer part 2.webm 6.15MB
  6258. Math/03 - 4th grade (U.S.) - 05 - Geometry/03 - Interpreting and constructing angles - 03 - Recognizing angles.webm 6.15MB
  6259. Math/12 - Basic geometry - 02 - Angles/02 - Interpreting angles - 03 - Recognizing angles.webm 6.15MB
  6260. Partner content/13 - Wi-Phi (Wireless Philosophy) - 01 - Critical thinking/01 - Critical thinking - 04 - Fundamentals_ Intrinsic vs. instrumental value.webm 6.15MB
  6261. Math/11 - Algebra I - 08 - Exponent expressions and equations/03 - Fractional exponents - 09 - Fractional exponent expressions 3.webm 6.15MB
  6262. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/14 - Modeling with graphs - 02 - Thinking about slope and units.webm 6.15MB
  6263. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/04 - Stokes' theorem intuition and application - 02 - Green's and Stokes' theorem relationship.webm 6.14MB
  6264. Math/17 - Precalculus - 04 - Imaginary and complex numbers/06 - Exponential form of complex numbers - 02 - Powers of complex numbers.webm 6.14MB
  6265. Math/22 - Linear algebra - 02 - Matrix transformations/04 - Inverse functions and transformations - 08 - Simplifying conditions for invertibility.webm 6.14MB
  6266. Test prep/01 - SAT - 03 - SAT Math practice/05 - SAT Math_ Level 5 - 01 - 18 Greatest number meeting constraints.webm 6.14MB
  6267. Partner content/07 - Exploratorium - 01 - Light and color/02 - Colored shadows - 02 - Build your own colored shadows_ Materials and steps.webm 6.14MB
  6268. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/01 - Reading and interpreting data - 12 - Misleading line graphs.webm 6.14MB
  6269. Math/03 - 4th grade (U.S.) - 05 - Geometry/03 - Interpreting and constructing angles - 01 - Acute right and obtuse angles.webm 6.14MB
  6270. Math/12 - Basic geometry - 02 - Angles/02 - Interpreting angles - 01 - Acute right and obtuse angles.webm 6.14MB
  6271. Math/13 - Geometry - 02 - Angles and intersecting lines/01 - Angle basics and measurement - 05 - Acute right and obtuse angles.webm 6.14MB
  6272. Math/13 - Geometry - 02 - Angles and intersecting lines/04 - Sal's old angle videos - 08 - Acute right and obtuse angles.webm 6.14MB
  6273. Science/03 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 03 - Forms of the Arrhenius equation.webm 6.13MB
  6274. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 15 - Forms of the Arrhenius equation.webm 6.13MB
  6275. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 03 - Overview of neuron structure.webm 6.13MB
  6276. Test prep/02 - MCAT - 03 - Organ systems/02 - Neural cells - 02 - Overview of neuron structure.webm 6.13MB
  6277. Science/06 - Health and medicine - 08 - Hematologic system diseases/04 - Plasma cell dyscrasias - 04 - What is waldenstrom macroglobulinemia_.webm 6.13MB
  6278. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/03 - Plasma cell dyscrasias - 04 - What is waldenstrom macroglobulinemia_.webm 6.13MB
  6279. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/01 - Sn1 vs Sn2 - 02 - Curly arrow conventions in organic chemistry.webm 6.13MB
  6280. Math/18 - Differential calculus - 03 - Derivative applications/08 - Related rates - 05 - Rate of change of distance between approaching cars.webm 6.13MB
  6281. Partner content/17 - The Aspen Institute - 03 - The founding mothers of the United States of America/01 - Women in early America - 04 - Women and Thomas Jefferson.webm 6.12MB
  6282. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 09 - Organic chemistry naming examples 3.webm 6.11MB
  6283. Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 07 - RSA encryption_ Step 3.webm 6.11MB
  6284. Science/06 - Health and medicine - 06 - Respiratory system diseases/05 - Cystic fibrosis - 02 - Cystic fibrosis pathophysiology.webm 6.11MB
  6285. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/05 - Cystic fibrosis - 02 - Cystic fibrosis pathophysiology.webm 6.11MB
  6286. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/07 - Dependent probability - 05 - Probability and the Monty Hall problem.webm 6.11MB
  6287. Math/16 - Probability and statistics - 01 - Independent and dependent events/04 - Dependent probability - 08 - Probability and the Monty Hall problem.webm 6.11MB
  6288. Math/17 - Precalculus - 05 - Probability and combinatorics/04 - Dependent events - 05 - Probability and the Monty Hall problem.webm 6.11MB
  6289. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/06 - Albrecht Dürer - 02 - Dürer, Self-portrait (1500).webm 6.11MB
  6290. Partner content/05 - The J. Paul Getty Museum - 09 - Drawings/01 - Drawings - 02 - Jean-Baptiste Greuze's drawings.webm 6.11MB
  6291. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/03 - Nomenclature and reactions of carboxylic acids - 07 - Decarboxylation.webm 6.11MB
  6292. Test prep/02 - MCAT - 05 - Chemical processes/14 - Carboxylic acids - 07 - Decarboxylation.webm 6.11MB
  6293. Math/18 - Differential calculus - 01 - Limits/06 - Limits and infinity - 01 - Limits and infinity.webm 6.11MB
  6294. Math/13 - Geometry - 08 - Special properties and parts of triangles/05 - Bringing it all together - 02 - Euler line.webm 6.11MB
  6295. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/08 - Observations - 04 - 'Dedicated to Myself' with Doug Eklund.webm 6.11MB
  6296. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/01 - Concept of multiplication and division - 02 - Multiplication as groups of objects.webm 6.10MB
  6297. Math/08 - Arithmetic - 02 - Multiplication and division/01 - Concept of multiplication and division - 02 - Multiplication as groups of objects.webm 6.10MB
  6298. Math/15 - Trigonometry - 04 - Trig identities and examples/05 - Law of cosines and law of sines - 02 - Law of cosines to determine grade.webm 6.10MB
  6299. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 12 - Spotting salty foods.webm 6.10MB
  6300. Math/19 - Integral calculus - 01 - Integrals/02 - Area under a rate function as net change - 01 - Area under rate function.webm 6.09MB
  6301. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 06 - When the source and the wave move at the same velocity.webm 6.09MB
  6302. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 13 - When the source and the wave move at the same velocity.webm 6.09MB
  6303. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 04 - Esophagus.webm 6.09MB
  6304. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 04 - Esophagus.webm 6.09MB
  6305. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 09 - Room_ 1940s.webm 6.09MB
  6306. Partner content/02 - Tate - 01 - Meet 500 years of British art/04 - Early 20th century_ War and dynamism - 04 - Room_ 1940s.webm 6.09MB
  6307. Math/11 - Algebra I - 02 - Linear equations/10 - Absolute value equations - 03 - Absolute value equation example 2.webm 6.08MB
  6308. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/06 - Life of Benjamin Franklin - 07 - Takeaways from Benjamin Franklin's life.webm 6.08MB
  6309. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/02 - Benjamin Franklin - 07 - Takeaways from Benjamin Franklin's life.webm 6.08MB
  6310. Math/08 - Arithmetic - 05 - Fractions/17 - Number sets - 02 - Number sets 1.webm 6.08MB
  6311. Math/09 - Pre-algebra - 04 - Fractions/17 - Number sets - 02 - Number sets 1.webm 6.08MB
  6312. Math/19 - Integral calculus - 01 - Integrals/03 - Riemann sums - 04 - Approximating area under curve and sigma notation.webm 6.08MB
  6313. Arts and humanities/01 - History - 06 - American civics/01 - American civics - 08 - Social security intro.webm 6.08MB
  6314. Science/01 - Biology - 03 - Heredity and evolution/02 - Heredity and genetics - 03 - Allele frequency.webm 6.08MB
  6315. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/05 - Tests for convergence and divergence - 03 - Radius of convergence using Ratio Test.webm 6.07MB
  6316. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 04 - Chemical shift.webm 6.07MB
  6317. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 04 - Chemical shift.webm 6.07MB
  6318. Science/03 - Chemistry - 13 - Kinetics/02 - Relationship between reaction concentrations and time - 01 - First-order reaction (with calculus).webm 6.07MB
  6319. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 04 - First-order reaction (with calculus).webm 6.07MB
  6320. Math/13 - Geometry - 03 - Congruence/03 - Congruence and isosceles and equilateral triangles - 02 - Equilateral triangle sides and angles congruent.webm 6.07MB
  6321. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 08 - Small intestine 3_ Absorption.webm 6.07MB
  6322. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 08 - Small intestine 3_ Absorption.webm 6.07MB
  6323. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 02 - Constantin Brancusi, 'Mlle Pogany'.webm 6.06MB
  6324. Partner content/04 - The Museum of Modern Art - 02 - 1913 Centennial Celebration/01 - 1913 Centennial Celebration - 10 - Constantin Brancusi, 'Mlle Pogany'.webm 6.06MB
  6325. Math/13 - Geometry - 02 - Angles and intersecting lines/04 - Sal's old angle videos - 04 - Angles formed between transversals and parallel lines.webm 6.06MB
  6326. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 10 - Age word problems 1.webm 6.06MB
  6327. Math/03 - 4th grade (U.S.) - 05 - Geometry/02 - Angles - 01 - Angle basics.webm 6.06MB
  6328. Math/12 - Basic geometry - 02 - Angles/01 - Angle basics - 01 - Angle basics.webm 6.06MB
  6329. Math/13 - Geometry - 02 - Angles and intersecting lines/01 - Angle basics and measurement - 01 - Angle basics.webm 6.06MB
  6330. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/06 - E1 and E2 reactions - 05 - E2 elimination_ Mechanism.webm 6.06MB
  6331. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/02 - Comparing and sampling populations - 03 - Mean absolute deviation word problem.webm 6.06MB
  6332. Math/11 - Algebra I - 10 - Ratios and proportions/03 - Rational and irrational numbers - 07 - Proof that square root of prime number is irrational.webm 6.05MB
  6333. Test prep/02 - MCAT - 06 - Processing the environment/12 - Stress - 01 - What is stress_.webm 6.05MB
  6334. Test prep/02 - MCAT - 08 - Individuals and society/06 - Discrimination - 03 - Stereotypes stereotype threat, and self fulfilling prophecy.webm 6.05MB
  6335. Test prep/02 - MCAT - 08 - Individuals and society/02 - Perception, prejudice, and bias - 03 - Stereotypes stereotype threat and self fulfilling prophecies.webm 6.05MB
  6336. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/04 - Molecular composition - 01 - Empirical, molecular, and structural formulas.webm 6.05MB
  6337. Partner content/02 - Tate - 01 - Meet 500 years of British art/05 - Mid-century to today_ Modernism and its legacy - 06 - Room_ 2000s and beyond.webm 6.05MB
  6338. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 07 - Proof_ log a _ log b _ log ab.webm 6.05MB
  6339. Math/16 - Probability and statistics - 07 - Inferential statistics/05 - Hypothesis testing with one sample - 04 - Z-statistics vs. T-statistics.webm 6.05MB
  6340. Math/19 - Integral calculus - 02 - Integration techniques/04 - Integration using trigonometric identities - 01 - Using trig identity to use u substitution.webm 6.04MB
  6341. Science/07 - Discoveries and projects - 03 - Robots/02 - Spout Bot with Solder - 02 - Spout tools.webm 6.04MB
  6342. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/03 - Logarithmic functions - 05 - Vi and Sal explore how we think about scale.webm 6.04MB
  6343. Math/17 - Precalculus - 02 - Matrices/05 - Geometric transformations with matrices - 02 - Matrix transformation on triangle.webm 6.04MB
  6344. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/04 - Two-step equations - 03 - Solving a more complicated equation.webm 6.03MB
  6345. Math/10 - Algebra basics - 03 - Linear equations and inequalities/01 - Solving basic equations - 05 - Solving a more complicated equation.webm 6.03MB
  6346. Math/11 - Algebra I - 02 - Linear equations/03 - Equations for beginners - 05 - Solving a more complicated equation.webm 6.03MB
  6347. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/01 - Volume - 01 - Volume_ how measure it.webm 6.03MB
  6348. Math/09 - Pre-algebra - 09 - Measurement/04 - Volume of a box or rectangular prism - 01 - Volume_ how measure it.webm 6.03MB
  6349. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/13 - War and conquest - 05 - 'Compassion' with Carrie Rebora Barratt.webm 6.03MB
  6350. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/03 - Sensory perception - 05 - Signal detection theory - part 1.webm 6.03MB
  6351. Test prep/02 - MCAT - 06 - Processing the environment/01 - Sensory perception - 07 - Signal detection theory - part 1.webm 6.03MB
  6352. Test prep/02 - MCAT - 07 - Behavior/04 - Theories of personality - 04 - Biological theory.webm 6.03MB
  6353. Math/17 - Precalculus - 02 - Matrices/03 - Properties of matrix multiplication - 01 - Is matrix multiplication commutative.webm 6.03MB
  6354. Math/03 - 4th grade (U.S.) - 05 - Geometry/02 - Angles - 03 - Angle measurement and circle arcs.webm 6.03MB
  6355. Math/12 - Basic geometry - 02 - Angles/01 - Angle basics - 03 - Angle measurement and circle arcs.webm 6.03MB
  6356. Math/13 - Geometry - 02 - Angles and intersecting lines/01 - Angle basics and measurement - 07 - Angle measurement and circle arcs.webm 6.03MB
  6357. Math/11 - Algebra I - 02 - Linear equations/10 - Absolute value equations - 10 - Absolute inequalities 2.webm 6.02MB
  6358. Math/11 - Algebra I - 09 - Functions/08 - Function inverses - 05 - Function inverses example 2.webm 6.02MB
  6359. Math/14 - Algebra II - 02 - Functions and their graphs/06 - Function inverses - 03 - Function inverses example 2.webm 6.02MB
  6360. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/05 - Percent word problems - 01 - Percent word problem example 1.webm 6.02MB
  6361. Math/10 - Algebra basics - 01 - Foundations/07 - Decimals, fractions and percentages - 08 - Percent word problem example 1.webm 6.02MB
  6362. Test prep/02 - MCAT - 07 - Behavior/06 - Motivation and attitudes - 08 - Behavior influences attitude.webm 6.02MB
  6363. Test prep/02 - MCAT - 07 - Behavior/11 - Theories of attitude and behavior change - 03 - Behavior influences attitude.webm 6.02MB
  6364. Math/19 - Integral calculus - 03 - Integration applications/09 - Arc length of polar graphs - 02 - Arc length of petal of polar graph.webm 6.01MB
  6365. Math/19 - Integral calculus - 03 - Integration applications/03 - Arc length - 02 - Arc length integration example.webm 6.01MB
  6366. Partner content/04 - The Museum of Modern Art - 03 - Behind the scenes at MoMA/01 - Behind the scenes at MoMA - 03 - Installation of Richard Serra's sculptures at MoMA.webm 6.01MB
  6367. Math/17 - Precalculus - 06 - Sequences, series and induction/05 - Infinite geometric series - 02 - Another derivation of the sum of an infinite geometric series.webm 6.01MB
  6368. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/04 - Geometric series - 04 - Another derivation of the sum of an infinite geometric series.webm 6.01MB
  6369. Math/17 - Precalculus - 01 - Vectors/02 - Vectors in rectangular form - 02 - Unit vector notation.webm 6.01MB
  6370. Math/22 - Linear algebra - 01 - Vectors and spaces/01 - Vectors - 06 - Unit vector notation.webm 6.01MB
  6371. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/03 - Constructing proportions - 01 - Writing proportions.webm 6.01MB
  6372. Math/10 - Algebra basics - 03 - Linear equations and inequalities/05 - Ratios and proportions - 01 - Writing proportions.webm 6.01MB
  6373. Math/11 - Algebra I - 10 - Ratios and proportions/01 - Ratios and proportions - 02 - Writing proportions.webm 6.01MB
  6374. Test prep/02 - MCAT - 05 - Chemical processes/13 - Alcohols and phenols - 09 - Aromatic stability of benzene.webm 6.00MB
  6375. Math/17 - Precalculus - 08 - Limits/01 - Limit basics - 05 - Limit examples (part 2).webm 6.00MB
  6376. Math/18 - Differential calculus - 01 - Limits/05 - Old limits tutorial - 03 - Limit examples (part 2).webm 6.00MB
  6377. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/08 - Observations - 05 - 'Tipping Point' with Stijn Alsteens.webm 6.00MB
  6378. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/03 - James Madison - 04 - The personal aspects of James Madison.webm 6.00MB
  6379. Math/18 - Differential calculus - 03 - Derivative applications/04 - Absolute and relative maxima and minima - 04 - Applying extreme value theorem.webm 6.00MB
  6380. Science/06 - Health and medicine - 02 - Human anatomy and physiology/04 - Urinary system introduction - 01 - Meet the kidneys_.webm 6.00MB
  6381. Test prep/02 - MCAT - 03 - Organ systems/12 - Renal system - 01 - Meet the kidneys_.webm 6.00MB
  6382. Test prep/03 - NCLEX-RN - 10 - Renal system/01 - Introduction to the renal system - 01 - Meet the kidneys_.webm 6.00MB
  6383. Math/19 - Integral calculus - 03 - Integration applications/06 - Solids of revolution - shell method - 03 - Shell method for rotating around horizontal line.webm 5.99MB
  6384. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/01 - Measuring with metric and U.S. customary units_ intro - 04 - U.S. customary units_ distance.webm 5.99MB
  6385. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/04 - Solving systems with elimination - 01 - Example 1_ Solving systems by elimination.webm 5.99MB
  6386. Math/11 - Algebra I - 05 - Systems of equations and inequalities/06 - Solving systems with elimination (addition-elimination) - 01 - Example 1_ Solving systems by elimination.webm 5.99MB
  6387. Math/18 - Differential calculus - 02 - Taking derivatives/02 - Using secant line slopes to approximate tangent slope - 04 - Slope of a secant line example 3.webm 5.98MB
  6388. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/05 - Family and community - 03 - 'Modern Living' with Amelia Peck.webm 5.98MB
  6389. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/03 - Logarithmic functions - 04 - Graphs of logarithmic functions.webm 5.98MB
  6390. Math/14 - Algebra II - 01 - Systems of equations and inequalities/04 - Non-linear systems of equations - 06 - Non-linear systems of equations 3.webm 5.98MB
  6391. Test prep/02 - MCAT - 09 - Society and culture/03 - Culture - 02 - Overview of culture.webm 5.98MB
  6392. Test prep/02 - MCAT - 05 - Chemical processes/07 - Separations and purifications - 06 - Column chromatography.webm 5.98MB
  6393. Math/19 - Integral calculus - 02 - Integration techniques/01 - Integration by parts - 05 - Integration by parts of (e^x)(cos x).webm 5.97MB
  6394. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/05 - Family and community - 06 - 'Family' with Perrin Stein.webm 5.97MB
  6395. Math/19 - Integral calculus - 01 - Integrals/04 - Properties of the definite integral - 02 - Integrating sums of functions.webm 5.97MB
  6396. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 01 - Hals, Singing Boy with Flute.webm 5.96MB
  6397. Science/06 - Health and medicine - 08 - Hematologic system diseases/02 - Leukemia - 09 - Leukemia treatment.webm 5.96MB
  6398. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/02 - Leukemia - 09 - Leukemia treatment.webm 5.96MB
  6399. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 11 - Social theories overview (part 1).webm 5.96MB
  6400. Math/17 - Precalculus - 02 - Matrices/07 - Matrix equations - 02 - Solving the matrix vector equation.webm 5.96MB
  6401. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/01 - Rates - 04 - Multiple rates word problem.webm 5.96MB
  6402. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/02 - Rates - 04 - Multiple rates word problem.webm 5.96MB
  6403. Math/11 - Algebra I - 10 - Ratios and proportions/02 - Advanced ratios, proportions, and rates - 07 - Multiple rates word problem.webm 5.96MB
  6404. Economics and finance/03 - Finance and capital markets - 10 - Current economics/02 - Housing price conundrum - 04 - Housing conundrum (part 4).webm 5.96MB
  6405. Economics and finance/03 - Finance and capital markets - 10 - Current economics/03 - Credit crisis - 04 - Housing conundrum (part 4).webm 5.96MB
  6406. Math/18 - Differential calculus - 03 - Derivative applications/01 - Equations of normal and tangent lines - 03 - Equation of tangent line example 1.webm 5.95MB
  6407. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/04 - Inflationary and deflationary scenarios - 04 - Hyperinflation.webm 5.95MB
  6408. Economics and finance/03 - Finance and capital markets - 03 - Inflation/02 - Inflation scenarios - 03 - Hyperinflation.webm 5.95MB
  6409. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 07 - 7 Figuring out angles.webm 5.95MB
  6410. Test prep/02 - MCAT - 04 - Physical processes/18 - Sound - 07 - Ultrasound medical imaging.webm 5.95MB
  6411. Math/22 - Linear algebra - 01 - Vectors and spaces/01 - Vectors - 02 - Real coordinate spaces.webm 5.95MB
  6412. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/03 - The supply curve - 03 - Long term supply curve.webm 5.95MB
  6413. Science/06 - Health and medicine - 06 - Respiratory system diseases/10 - Lung cancer - 02 - Lung cancer diagnosis.webm 5.94MB
  6414. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 02 - Lung cancer diagnosis.webm 5.94MB
  6415. Math/16 - Probability and statistics - 03 - Statistical studies/02 - Types of statistical studies - 03 - Appropriate statistical study example.webm 5.94MB
  6416. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/03 - Flux in 3D and constructing unit normal vectors to surface - 02 - Constructing a unit normal vector to a surface.webm 5.94MB
  6417. Math/11 - Algebra I - 08 - Exponent expressions and equations/01 - Properties of exponents - 06 - Capstone exponent properties example.webm 5.94MB
  6418. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/05 - Multiplication by powers of 10 - 02 - Exponents and powers of zero patterns.webm 5.93MB
  6419. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/07 - Orders of magnitude - 01 - Exponents and powers of zero patterns.webm 5.93MB
  6420. Math/17 - Precalculus - 04 - Imaginary and complex numbers/05 - The complex plane - 03 - Complex number polar form intuition exercise.webm 5.93MB
  6421. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 01 - Midpoint formula.webm 5.93MB
  6422. Math/13 - Geometry - 11 - Analytic geometry/02 - Distances between points - 02 - Midpoint formula.webm 5.93MB
  6423. Science/07 - Discoveries and projects - 04 - Lego robotics/05 - Programming basics - 03 - Switch block.webm 5.93MB
  6424. Science/02 - Physics - 11 - Electricity and magnetism/01 - Electricity and magnetism - 26 - Magnetism 11_ Electric motors.webm 5.93MB
  6425. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 10 - Muscle innervation.webm 5.93MB
  6426. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 10 - Muscle innervation.webm 5.93MB
  6427. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 10 - Muscle innervation.webm 5.93MB
  6428. Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/02 - Currency reserves - 04 - Financial crisis in Thailand caused by speculative attack.webm 5.93MB
  6429. Math/02 - 3rd grade (U.S.) - 05 - Place value and rounding/01 - Rounding - 01 - Rounding to the nearest 10.webm 5.92MB
  6430. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 06 - Another simulation giving evidence that (n-1) gives us an unbiased estimate of variance.webm 5.92MB
  6431. Science/06 - Health and medicine - 04 - Circulatory system diseases/12 - Vasculitis - 06 - What is Kawasaki disease_.webm 5.92MB
  6432. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/05 - Vasculitis - 06 - What is Kawasaki disease_.webm 5.92MB
  6433. Test prep/02 - MCAT - 08 - Individuals and society/03 - Social behavior - 01 - Proximity and the mere exposure effect.webm 5.92MB
  6434. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/12 - Transformations - 06 - 'Centerpiece' with Carlos A. Picón.webm 5.92MB
  6435. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 10 - Low salt diet.webm 5.91MB
  6436. Science/02 - Physics - 01 - One-dimensional motion/01 - Displacement, velocity and time - 04 - Displacement from time and velocity example.webm 5.91MB
  6437. Test prep/02 - MCAT - 04 - Physical processes/02 - Speed and velocity - 03 - Displacement from time and velocity example.webm 5.91MB
  6438. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 06 - IIT JEE position vectors.webm 5.91MB
  6439. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/01 - The modern U.S. Supreme Court on privacy and civil liberties - 03 - Digital Privacy_ “Third Party Doctrine”, Smith v. Maryland, Riley v. California, People v. Schutter..webm 5.91MB
  6440. Science/06 - Health and medicine - 04 - Circulatory system diseases/02 - Atherosclerosis, arteriosclerosis, and arteriolosclerosis - 06 - Arteriolosclerosis - part 2.webm 5.90MB
  6441. Computing/01 - Computer programming - 02 - Advanced JS_ Games and Visualizations/01 - Intro to Games and Visualizations - 01 - Intro to Games and Visualizations.webm 5.90MB
  6442. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 06 - Redox reaction with iron.webm 5.90MB
  6443. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/05 - Tests for convergence and divergence - 07 - Limit comparison test.webm 5.89MB
  6444. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/04 - Dining - 02 - 'Morning Catch' with Jeff Munger.webm 5.89MB
  6445. Science/04 - Organic chemistry - 04 - Stereochemistry/02 - Chirality and absolute configuration - 02 - Stereoisomers, enantiomers, and chirality centers.webm 5.89MB
  6446. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 03 - Stereoisomers, enantiomers, and chirality centers.webm 5.89MB
  6447. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/01 - Naming alkenes - 01 - Naming alkenes examples.webm 5.89MB
  6448. Math/11 - Algebra I - 09 - Functions/09 - New operator definitions - 01 - New operator definitions.webm 5.89MB
  6449. Math/18 - Differential calculus - 02 - Taking derivatives/02 - Using secant line slopes to approximate tangent slope - 01 - Slope of a line secant to a curve.webm 5.89MB
  6450. Test prep/02 - MCAT - 05 - Chemical processes/07 - Separations and purifications - 09 - Resolution of enantiomers.webm 5.89MB
  6451. Science/07 - Discoveries and projects - 04 - Lego robotics/04 - Ant bot - 04 - Switch block (nested).webm 5.88MB
  6452. Science/07 - Discoveries and projects - 04 - Lego robotics/05 - Programming basics - 04 - Switch block (nested).webm 5.88MB
  6453. Math/11 - Algebra I - 08 - Exponent expressions and equations/05 - Radical equations - 07 - Applying radical equations 2.webm 5.88MB
  6454. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 09 - Applying rational equations 1.webm 5.88MB
  6455. Math/14 - Algebra II - 04 - Rational expressions/05 - Solving rational equations - 06 - Applying rational equations 1.webm 5.88MB
  6456. Math/13 - Geometry - 02 - Angles and intersecting lines/03 - Angles with triangles and polygons - 09 - Sum of the exterior angles of convex polygon.webm 5.88MB
  6457. Test prep/02 - MCAT - 07 - Behavior/06 - Motivation and attitudes - 06 - Components of attitudes.webm 5.87MB
  6458. Test prep/02 - MCAT - 07 - Behavior/11 - Theories of attitude and behavior change - 01 - Components of attitudes.webm 5.87MB
  6459. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 04 - Squared error of regression line.webm 5.87MB
  6460. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/03 - Comparing with multiplication - 02 - Comparing with multiplication_ money and distance.webm 5.87MB
  6461. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/03 - Public goods and externalities - 01 - Negative externalities.webm 5.87MB
  6462. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 12 - DLab_ Student perspective on the Spout Bot project (1).webm 5.87MB
  6463. Math/10 - Algebra basics - 07 - Quadratics and polynomials/02 - Multiplying binomials - 03 - Multiplying binomials with radicals.webm 5.87MB
  6464. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/02 - Multiplying binomials - 03 - Multiplying binomials with radicals.webm 5.87MB
  6465. Math/18 - Differential calculus - 03 - Derivative applications/10 - L'Hôpital's rule - 04 - L'Hôpital's rule example 3.webm 5.87MB
  6466. Math/11 - Algebra I - 05 - Systems of equations and inequalities/10 - Modeling constraints - 02 - Total interest from multiple loans.webm 5.87MB
  6467. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/05 - Synthesis and cleavage of ethers - 01 - Williamson ether synthesis.webm 5.86MB
  6468. Math/17 - Precalculus - 02 - Matrices/06 - Inverting matrices - 09 - Inverting 3x3 part 2_ Determinant and adjugate of a matrix.webm 5.86MB
  6469. Science/06 - Health and medicine - 12 - Executive systems of the brain/01 - Cognition - 03 - Decision making.webm 5.86MB
  6470. Test prep/02 - MCAT - 06 - Processing the environment/07 - Cognition - 03 - Decision making.webm 5.86MB
  6471. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/01 - Buffer solutions - 03 - Buffer solutions.webm 5.86MB
  6472. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/05 - Acid_base - 12 - Buffer solutions.webm 5.86MB
  6473. Test prep/02 - MCAT - 05 - Chemical processes/01 - Acid_base equilibria - 11 - Buffer solutions.webm 5.86MB
  6474. Math/10 - Algebra basics - 04 - Graphing lines and slope/07 - Graphing linear inequalities - 06 - Graphing inequalities 1.webm 5.86MB
  6475. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/11 - Graphing linear inequalities - 06 - Graphing inequalities 1.webm 5.86MB
  6476. Science/02 - Physics - 04 - Work and energy/02 - Mechanical advantage - 02 - Mechanical advantage (part 2).webm 5.85MB
  6477. Math/19 - Integral calculus - 02 - Integration techniques/05 - Trigonometric substitution - 05 - Trig and u substitution together (part 2).webm 5.85MB
  6478. Arts and humanities/08 - Monarchy and enlightenment - 03 - Neo-Classicism/01 - Neo-Classicism - 06 - Girodet, The Sleep of Endymion.webm 5.85MB
  6479. Science/06 - Health and medicine - 06 - Respiratory system diseases/09 - Pleural Effusion - 04 - Neurovascular bundle.webm 5.85MB
  6480. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/09 - Pleural effusion - 04 - Neurovascular bundle.webm 5.85MB
  6481. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/05 - Naming and preparing alkynes - 03 - Preparation of alkynes.webm 5.85MB
  6482. Science/06 - Health and medicine - 02 - Human anatomy and physiology/04 - Urinary system introduction - 04 - Changing glomerular filtration rate.webm 5.85MB
  6483. Test prep/02 - MCAT - 03 - Organ systems/12 - Renal system - 04 - Changing glomerular filtration rate.webm 5.85MB
  6484. Test prep/03 - NCLEX-RN - 10 - Renal system/01 - Introduction to the renal system - 04 - Changing glomerular filtration rate.webm 5.85MB
  6485. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/01 - Body and mind - 07 - 'Stubborn' with Sinéad Vilbar.webm 5.85MB
  6486. Test prep/02 - MCAT - 07 - Behavior/10 - Learning - 03 - Operant conditioning_ Positive-and-negative reinforcement and punishment.webm 5.85MB
  6487. Math/14 - Algebra II - 03 - Polynomial and rational functions/11 - Simplifying rational expressions - 03 - Simplifying rational expressions 2.webm 5.84MB
  6488. Math/14 - Algebra II - 04 - Rational expressions/01 - Simplifying rational expressions - 03 - Simplifying rational expressions 2.webm 5.84MB
  6489. Math/21 - Differential equations - 01 - First order differential equations/02 - Separable equations - 02 - Particular solution to differential equation example.webm 5.84MB
  6490. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/02 - Multiplying using grids and area models to visualize - 02 - Multiplying_ 2 digits numbers (using distributive property).webm 5.84MB
  6491. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 07 - Simulation providing evidence that (n-1) gives us unbiased estimate.webm 5.84MB
  6492. Science/06 - Health and medicine - 13 - Infectious diseases/02 - Pertussis - 04 - Pertussis diagnosis and treatment.webm 5.84MB
  6493. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/15 - Pertussis - 04 - Pertussis diagnosis and treatment.webm 5.84MB
  6494. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 01 - Meet the gastrointestinal tract_.webm 5.83MB
  6495. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 01 - Meet the gastrointestinal tract_.webm 5.83MB
  6496. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/01 - Writing expressions - 03 - Expression terms, factors and coefficients.webm 5.83MB
  6497. Science/04 - Organic chemistry - 09 - Aromatic compounds/03 - Aromatic stability - 01 - Aromatic stability I.webm 5.83MB
  6498. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 01 - 'Faith' with Luke Syson.webm 5.83MB
  6499. Math/14 - Algebra II - 03 - Polynomial and rational functions/15 - Advanced structure in expressions - 02 - Structure in exponential expression.webm 5.83MB
  6500. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/02 - Manipulating expressions - 08 - Factoring algebraic expressions.webm 5.83MB
  6501. Math/10 - Algebra basics - 02 - Algebraic expressions/02 - Manipulating expressions - 06 - Factoring algebraic expressions.webm 5.83MB
  6502. Math/11 - Algebra I - 01 - Introduction to algebra/03 - Manipulating expressions - 08 - Factoring algebraic expressions.webm 5.83MB
  6503. Math/16 - Probability and statistics - 01 - Independent and dependent events/05 - Basic set operations - 01 - Intersection and union of sets.webm 5.83MB
  6504. Math/14 - Algebra II - 04 - Rational expressions/03 - Graphing rational functions - 02 - Matching rational functions to their graphs.webm 5.82MB
  6505. Math/18 - Differential calculus - 03 - Derivative applications/11 - Local linearization - 02 - Local linearization example.webm 5.82MB
  6506. Test prep/02 - MCAT - 02 - Cells/01 - Cell membrane overview - 02 - Phospholipid structure.webm 5.82MB
  6507. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/07 - Hellenistic - 03 - Winged Victory (Nike) of Samothrace.webm 5.82MB
  6508. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./03 - Ancient Greece - 14 - Winged Victory (Nike) of Samothrace.webm 5.82MB
  6509. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 01 - Introduction to blended learning/02 - Four different blended learning models - 02 - The Flipped Classroom Model.webm 5.82MB
  6510. Math/20 - Multivariable calculus - 05 - Divergence theorem/03 - Divergence theorem proof - 03 - Divergence theorem proof (part 3).webm 5.82MB
  6511. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/01 - Aggregate demand and aggregate supply - 02 - Shifts in aggregate demand.webm 5.82MB
  6512. Math/16 - Probability and statistics - 02 - Probability and combinatorics/02 - Combinations - 01 - Introduction to combinations.webm 5.81MB
  6513. Math/17 - Precalculus - 05 - Probability and combinatorics/06 - Combinations - 01 - Introduction to combinations.webm 5.81MB
  6514. Math/19 - Integral calculus - 02 - Integration techniques/05 - Trigonometric substitution - 01 - Introduction to trig substitution.webm 5.81MB
  6515. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 02 - Creating the ideal student experience in a blended learning classroom/02 - The learning environment in a station rotation, lab rotation and flex model - 04 - How the choices you make in your blended model impact the kind of school you run.webm 5.81MB
  6516. Arts and humanities/10 - Age of global conflict - 03 - World War I, Futurism and Dada/02 - Dada - 02 - Duchamp, Fountain.webm 5.80MB
  6517. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./02 - Modernism - 05 - Duchamp, Fountain.webm 5.80MB
  6518. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/01 - Photography before 1970 - 08 - Ansel Adams_ Yosemite.webm 5.80MB
  6519. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 04 - Ansel Adams_ Visualizing a Photograph.webm 5.80MB
  6520. Partner content/05 - The J. Paul Getty Museum - 08 - Photographs/01 - Photography before 1970 - 06 - Ansel Adams_ Visualizing a Photograph.webm 5.80MB
  6521. Math/01 - Early math - 03 - Addition and subtraction/07 - Addition and subtraction word problems within 100 - 05 - Using crayons.webm 5.80MB
  6522. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/02 - New York School - 05 - Ad Reinhardt.webm 5.80MB
  6523. Partner content/04 - The Museum of Modern Art - 04 - Abstract Expressionism/01 - Abstract Expressionism - 10 - Ad Reinhardt.webm 5.80MB
  6524. Math/19 - Integral calculus - 02 - Integration techniques/03 - Reverse chain rule - 02 - Reverse chain rule example.webm 5.80MB
  6525. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/01 - German art between the wars - 08 - Schad, Self-Portrait.webm 5.79MB
  6526. Math/15 - Trigonometry - 04 - Trig identities and examples/05 - Law of cosines and law of sines - 07 - Proof_ Law of sines.webm 5.79MB
  6527. Economics and finance/03 - Finance and capital markets - 02 - Housing/03 - Mortgages - 03 - Short sale basics.webm 5.79MB
  6528. Math/14 - Algebra II - 03 - Polynomial and rational functions/16 - Fundamental Theorem of Algebra - 02 - Fundamental theorem of algebra for quadratic.webm 5.79MB
  6529. Math/18 - Differential calculus - 01 - Limits/06 - Limits and infinity - 02 - Vertical asymptote of natural log.webm 5.78MB
  6530. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/04 - IS-LM model - 05 - Government spending and the IS-LM model.webm 5.78MB
  6531. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/07 - Mergers and acquisitions - 03 - Simple merger arbitrage with share acquisition.webm 5.77MB
  6532. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Cell potentials - 03 - Voltage as an intensive property.webm 5.77MB
  6533. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 07 - Voltage as an intensive property.webm 5.77MB
  6534. Math/23 - Recreational math - 02 - Puzzles/01 - Brain teasers - 02 - Liar truth-teller brain teaser.webm 5.77MB
  6535. Math/14 - Algebra II - 03 - Polynomial and rational functions/06 - Synthetic division - 03 - Why synthetic division works.webm 5.76MB
  6536. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 11 - Caravaggio, Narcissus at the Source.webm 5.76MB
  6537. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 10 - Applying rational equations 2.webm 5.76MB
  6538. Math/14 - Algebra II - 04 - Rational expressions/05 - Solving rational equations - 07 - Applying rational equations 2.webm 5.76MB
  6539. Test prep/02 - MCAT - 01 - Biomolecules/15 - Fat and protein metabolism - 06 - Overview of Fatty Acid Oxidation.webm 5.76MB
  6540. Math/19 - Integral calculus - 02 - Integration techniques/01 - Integration by parts - 04 - Integration by parts twice for antiderivative of (x^2)(e^x).webm 5.76MB
  6541. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 05 - Systems and rate problems.webm 5.76MB
  6542. Math/16 - Probability and statistics - 01 - Independent and dependent events/05 - Basic set operations - 05 - Bringing the set operations together.webm 5.76MB
  6543. Test prep/02 - MCAT - 05 - Chemical processes/13 - Alcohols and phenols - 04 - Oxidation of alcohols (examples).webm 5.76MB
  6544. Math/19 - Integral calculus - 03 - Integration applications/06 - Solids of revolution - shell method - 06 - Shell method with two functions of y.webm 5.76MB
  6545. Math/11 - Algebra I - 01 - Introduction to algebra/09 - Working with units algebraically - 04 - Finding the best deal on pesticides.webm 5.76MB
  6546. Science/06 - Health and medicine - 06 - Respiratory system diseases/10 - Lung cancer - 06 - Lung cancer staging.webm 5.75MB
  6547. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 06 - Lung cancer staging.webm 5.75MB
  6548. Math/18 - Differential calculus - 01 - Limits/07 - Squeeze theorem - 01 - Squeeze theorem or sandwich theorem.webm 5.75MB
  6549. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/03 - Series - 09 - Leveraging properties of series to find sum.webm 5.75MB
  6550. Science/04 - Organic chemistry - 12 - Alpha carbon chemistry/01 - Formation of enolate anions - 03 - Enolate formation from aldehydes.webm 5.74MB
  6551. Test prep/02 - MCAT - 05 - Chemical processes/11 - Alpha-carbon chemistry - 02 - Enolate formation from aldehydes.webm 5.74MB
  6552. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/05 - Family and community - 05 - 'Playing from Memory' with Eric Kjellgren.webm 5.74MB
  6553. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/01 - A beginner's guide to ancient Greece - 04 - A competitor in the long jump.webm 5.74MB
  6554. Partner content/03 - The British Museum - 04 - Europe/01 - Ancient Greece - 03 - A competitor in the long jump.webm 5.74MB
  6555. Math/19 - Integral calculus - 03 - Integration applications/08 - Area defined by polar graphs - 03 - Area between two polar graphs.webm 5.74MB
  6556. Math/16 - Probability and statistics - 07 - Inferential statistics/01 - Normal distribution - 07 - ck12.org_ More empirical rule and z-score practice.webm 5.74MB
  6557. Math/08 - Arithmetic - 04 - Decimals/12 - Significant figures - 01 - Significant figures.webm 5.74MB
  6558. Math/09 - Pre-algebra - 03 - Decimals/12 - Significant figures - 01 - Significant figures.webm 5.74MB
  6559. Science/06 - Health and medicine - 16 - Miscellaneous/01 - Miscellaneous - 03 - Thrombo-emboli and thromboembolisms.webm 5.74MB
  6560. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 13 - IIT JEE hairy trig and algebra (part 3).webm 5.74MB
  6561. Test prep/02 - MCAT - 02 - Cells/06 - Prokaryotes_bacteria - 04 - Bacterial genetic recombination.webm 5.73MB
  6562. Math/14 - Algebra II - 03 - Polynomial and rational functions/09 - Polynomial graphs and end behavior - 02 - Polynomial end behavior example.webm 5.73MB
  6563. Math/17 - Precalculus - 06 - Sequences, series and induction/03 - Geometric sequences - 02 - Geometric sequences.webm 5.73MB
  6564. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/01 - The modern U.S. Supreme Court on privacy and civil liberties - 02 - Translating the 4th Amendment into a new technological age_ United States v. Jones.webm 5.73MB
  6565. Math/07 - 8th grade (U.S.) - 02 - Solving equations/04 - Linear equation word problems - 04 - Ex 3 age word problem.webm 5.73MB
  6566. Math/11 - Algebra I - 02 - Linear equations/09 - Age word problems - 03 - Ex 3 age word problem.webm 5.73MB
  6567. Math/15 - Trigonometry - 04 - Trig identities and examples/05 - Law of cosines and law of sines - 03 - Law of cosines for star distance.webm 5.72MB
  6568. Science/03 - Chemistry - 06 - Gases and kinetic molecular theory/01 - Ideal gas equation - 06 - Ideal gas equation example 4.webm 5.72MB
  6569. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/01 - Radians - 07 - Example_ Converting degrees to radians.webm 5.72MB
  6570. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/04 - Stokes' theorem intuition and application - 11 - Evaluating line integral directly - part 2.webm 5.72MB
  6571. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/04 - Inverse trig functions - 05 - Solution set to sin equation.webm 5.71MB
  6572. Test prep/02 - MCAT - 01 - Biomolecules/01 - Amino acids and proteins - 02 - Central dogma - revisited.webm 5.71MB
  6573. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/06 - Alkyne reactions - 05 - Halogenation and ozonolysis of alkynes.webm 5.71MB
  6574. Science/04 - Organic chemistry - 01 - General chemistry review/01 - Dot structures - 01 - Dot structures I_ Single bonds.webm 5.71MB
  6575. Math/03 - 4th grade (U.S.) - 03 - Fractions/05 - Mixed numbers - 01 - Mixed numbers_ changing to improper fractions.webm 5.71MB
  6576. Math/08 - Arithmetic - 05 - Fractions/11 - Mixed numbers and improper fractions - 05 - Mixed numbers_ changing to improper fractions.webm 5.71MB
  6577. Math/09 - Pre-algebra - 04 - Fractions/11 - Mixed numbers and improper fractions - 05 - Mixed numbers_ changing to improper fractions.webm 5.71MB
  6578. Math/14 - Algebra II - 09 - Matrices/01 - Basic matrix operations - 02 - Representing data with matrices.webm 5.71MB
  6579. Math/17 - Precalculus - 02 - Matrices/01 - Basic matrix operations - 02 - Representing data with matrices.webm 5.71MB
  6580. Math/13 - Geometry - 05 - Right triangles and trigonometry/04 - Sine, cosine and tangent trigonometric functions - 06 - How much of a pyramid is submerged.webm 5.70MB
  6581. Math/15 - Trigonometry - 01 - Basic trigonometry/03 - Trig ratio application problems - 01 - How much of a pyramid is submerged.webm 5.70MB
  6582. Test prep/07 - AP* Art History - 09 - West and central Asia_ 500 B.C.E.-1980 C.E./01 - West and central Asia_ 500 B.C.E.-1980 C.E. - 02 - Bamiyan_ Ten years on.webm 5.70MB
  6583. Science/06 - Health and medicine - 13 - Infectious diseases/02 - Pertussis - 02 - Pertussis complications.webm 5.69MB
  6584. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/15 - Pertussis - 02 - Pertussis complications.webm 5.69MB
  6585. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/01 - Radians - 09 - Radian and degree conversion practice.webm 5.69MB
  6586. Science/04 - Organic chemistry - 14 - Spectroscopy/01 - Infrared Spectroscopy - 09 - IR spectra practice.webm 5.69MB
  6587. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 09 - IR spectra practice.webm 5.69MB
  6588. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/08 - Thiols and sulfides - 01 - Preparation of sulfides.webm 5.69MB
  6589. Math/11 - Algebra I - 08 - Exponent expressions and equations/03 - Fractional exponents - 08 - Fractional exponent expressions 2.webm 5.68MB
  6590. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/07 - Power series function representation using algebra - 01 - Power series radius and interval of convergence.webm 5.68MB
  6591. Math/11 - Algebra I - 09 - Functions/04 - Direct and inverse variation - 07 - Direct inverse and joint variation.webm 5.68MB
  6592. Science/04 - Organic chemistry - 09 - Aromatic compounds/05 - Directing effects - 06 - Multiple substituents.webm 5.68MB
  6593. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/01 - George Washington - 02 - An introduction to George Washington.webm 5.68MB
  6594. Science/01 - Biology - 02 - Human biology/02 - The neuron and nervous system - 01 - Anatomy of a neuron.webm 5.67MB
  6595. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 02 - Anatomy of a neuron.webm 5.67MB
  6596. Math/14 - Algebra II - 07 - Imaginary and complex numbers/01 - The imaginary unit i - 02 - Calculating i raised to arbitrary exponents.webm 5.67MB
  6597. Math/17 - Precalculus - 04 - Imaginary and complex numbers/01 - The imaginary unit i - 02 - Calculating i raised to arbitrary exponents.webm 5.67MB
  6598. Test prep/02 - MCAT - 01 - Biomolecules/05 - Gene control - 01 - Jacob-Monod_ The Lac operon.webm 5.67MB
  6599. Economics and finance/01 - Microeconomics - 05 - Production decisions and economic profit/05 - Price discrimination - 01 - First degree price discrimination.webm 5.66MB
  6600. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/09 - Hans Holbein - 04 - Holbein the Younger, Henry VIII.webm 5.65MB
  6601. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 05 - Stuck, The Sin.webm 5.65MB
  6602. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 02 - Oxidation of alcohols II_ Examples.webm 5.65MB
  6603. Science/04 - Organic chemistry - 04 - Stereochemistry/01 - Chirality and the R,S system - 01 - Introduction to chirality.webm 5.65MB
  6604. Science/06 - Health and medicine - 06 - Respiratory system diseases/10 - Lung cancer - 03 - Lung cancer types.webm 5.64MB
  6605. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 03 - Lung cancer types.webm 5.64MB
  6606. Test prep/02 - MCAT - 06 - Processing the environment/08 - Sleep and consciousness - 04 - Dream theories Freud, activation synthnesis hypothesis.webm 5.64MB
  6607. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/05 - Eigen-everything - 03 - Example solving for the eigenvalues of a 2x2 matrix.webm 5.64MB
  6608. Math/18 - Differential calculus - 03 - Derivative applications/10 - L'Hôpital's rule - 02 - L'Hôpital's rule example 1.webm 5.64MB
  6609. Math/11 - Algebra I - 07 - Quadratic equations/06 - Graphing quadratics - 01 - Graphing a parabola with a table of values.webm 5.64MB
  6610. Math/11 - Algebra I - 09 - Functions/05 - Graphing functions - 03 - Graphing a parabola with a table of values.webm 5.64MB
  6611. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/01 - A beginner's guide to ancient Greece - 03 - Prize amphora showing a chariot race.webm 5.64MB
  6612. Partner content/03 - The British Museum - 04 - Europe/01 - Ancient Greece - 02 - Prize amphora showing a chariot race.webm 5.64MB
  6613. Math/07 - 8th grade (U.S.) - 05 - Geometry/03 - Triangle angles - 06 - Finding more angles.webm 5.64MB
  6614. Math/12 - Basic geometry - 03 - Shapes/02 - Finding angles in shapes - 06 - Finding more angles.webm 5.64MB
  6615. Math/13 - Geometry - 02 - Angles and intersecting lines/03 - Angles with triangles and polygons - 07 - Finding more angles.webm 5.64MB
  6616. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/04 - Inverse trig functions - 06 - Restricting domain of trig function to make invertible.webm 5.63MB
  6617. Math/18 - Differential calculus - 03 - Derivative applications/09 - Mean value theorem - 03 - Getting a ticket because of the mean value theorem.webm 5.63MB
  6618. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/01 - Measuring with metric and U.S. customary units_ intro - 06 - U.S. customary units_ fluid volume.webm 5.63MB
  6619. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/05 - Proof of Stokes' theorem - 05 - Stokes' theorem proof part 5.webm 5.63MB
  6620. Math/04 - 5th grade (U.S.) - 01 - Arithmetic operations/03 - Multiplying whole numbers and decimals - 04 - Multiplying decimals_ place value and reordering.webm 5.63MB
  6621. Math/08 - Arithmetic - 04 - Decimals/06 - Multiplying decimals - 03 - Multiplying decimals_ place value and reordering.webm 5.63MB
  6622. Math/09 - Pre-algebra - 03 - Decimals/06 - Multiplying decimals - 03 - Multiplying decimals_ place value and reordering.webm 5.63MB
  6623. Science/04 - Organic chemistry - 14 - Spectroscopy/01 - Infrared Spectroscopy - 05 - Signal characteristics - intensity.webm 5.62MB
  6624. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 05 - Signal characteristics - intensity.webm 5.62MB
  6625. Math/11 - Algebra I - 07 - Quadratic equations/06 - Graphing quadratics - 02 - Parabola vertex and axis of symmetry.webm 5.62MB
  6626. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/02 - Positive and negative exponents - 06 - Negative exponents.webm 5.62MB
  6627. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/05 - Negative and fractional exponents - 01 - Negative exponents.webm 5.62MB
  6628. Math/19 - Integral calculus - 03 - Integration applications/08 - Area defined by polar graphs - 02 - Area enclosed by cardioid.webm 5.61MB
  6629. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 01 - CAHSEE practice_ Problems 1-3.webm 5.61MB
  6630. Math/11 - Algebra I - 01 - Introduction to algebra/07 - Super Yoga plans - 03 - Super Yoga plans_ Plotting points.webm 5.61MB
  6631. Math/11 - Algebra I - 02 - Linear equations/02 - Super Yoga plans - 03 - Super Yoga plans_ Plotting points.webm 5.61MB
  6632. Arts and humanities/09 - Becoming modern - 02 - Romanticism/04 - England - 05 - Turner, Rain, steam, and speed – the great western railway.webm 5.61MB
  6633. Math/05 - 6th grade (U.S.) - 06 - Geometry/02 - Finding area - 02 - Area of a parallelogram.webm 5.60MB
  6634. Math/12 - Basic geometry - 05 - Area and perimeter/01 - Area and perimeter of polygons - 03 - Area of a parallelogram.webm 5.60MB
  6635. Math/13 - Geometry - 06 - Perimeter, area, and volume/06 - Perimeter and area of non-standard shapes - 03 - Area of a parallelogram.webm 5.60MB
  6636. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 10 - Area of a parallelogram.webm 5.60MB
  6637. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 08 - 8 Romantic poets.webm 5.60MB
  6638. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 08 - 8 Romantic poets.webm 5.60MB
  6639. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/04 - Real and nominal GDP - 03 - Example calculating real GDP with a deflator.webm 5.60MB
  6640. Math/01 - Early math - 03 - Addition and subtraction/07 - Addition and subtraction word problems within 100 - 04 - Snow on Friday.webm 5.60MB
  6641. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/09 - Taylor series approximations - 06 - Evaluating Taylor Polynomial of derivative.webm 5.60MB
  6642. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/04 - Hedge funds - 07 - Hedge fund strategies_ Merger arbitrage 1.webm 5.59MB
  6643. Math/07 - 8th grade (U.S.) - 05 - Geometry/03 - Triangle angles - 02 - Triangle angle example 1.webm 5.59MB
  6644. Math/10 - Algebra basics - 08 - Equations and geometry/01 - Angles with triangles and polygons - 02 - Triangle angle example 1.webm 5.59MB
  6645. Math/12 - Basic geometry - 03 - Shapes/02 - Finding angles in shapes - 02 - Triangle angle example 1.webm 5.59MB
  6646. Math/13 - Geometry - 02 - Angles and intersecting lines/03 - Angles with triangles and polygons - 02 - Triangle angle example 1.webm 5.59MB
  6647. Math/21 - Differential equations - 02 - Second order linear equations/01 - Linear homogeneous equations - 03 - 2nd order linear homogeneous differential equations 3.webm 5.59MB
  6648. Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/01 - Cash versus accrual accounting - 03 - Comparing accrual and cash accounting.webm 5.59MB
  6649. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 06 - Art Terms in Action_ Viscosity.webm 5.59MB
  6650. Partner content/04 - The Museum of Modern Art - 05 - Art terms in action/01 - Art terms in action - 01 - Art Terms in Action_ Viscosity.webm 5.59MB
  6651. Science/04 - Organic chemistry - 02 - Organic structures and acid_base/03 - Formal charge and resonance - 05 - Resonance structures for benzene and the phenoxide anion.webm 5.59MB
  6652. Math/18 - Differential calculus - 02 - Taking derivatives/04 - Visualizing graphs of functions and their derivatives - 08 - Intuitively drawing the antiderivative of a function.webm 5.58MB
  6653. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 14 - Algebra_ Equation of a line.webm 5.58MB
  6654. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 07 - IIT JEE integral limit.webm 5.58MB
  6655. Math/22 - Linear algebra - 02 - Matrix transformations/05 - Finding inverses and determinants - 02 - Example of finding matrix inverse.webm 5.58MB
  6656. Science/06 - Health and medicine - 13 - Infectious diseases/02 - Pertussis - 01 - What is pertussis_.webm 5.58MB
  6657. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/15 - Pertussis - 01 - What is pertussis_.webm 5.58MB
  6658. Math/07 - 8th grade (U.S.) - 05 - Geometry/04 - The Pythagorean theorem - 06 - Pythagorean theorem in 3D.webm 5.58MB
  6659. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/03 - Understanding company statements and capital structure - 02 - Basic capital structure differences.webm 5.58MB
  6660. Math/13 - Geometry - 06 - Perimeter, area, and volume/07 - Volume and surface area - 05 - How many people can a blimp carry.webm 5.58MB
  6661. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/03 - The Reconstruction Amendments - 01 - An overview and the 13th Amendment.webm 5.58MB
  6662. Test prep/02 - MCAT - 01 - Biomolecules/08 - Chromosomal inheritance - 05 - Genetic recombination 1.webm 5.58MB
  6663. Computing/01 - Computer programming - 01 - Intro to JS_ Drawing and Animation/14 - Becoming a better programmer - 02 - Help others learn_.webm 5.57MB
  6664. Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 05 - RSA encryption_ Step 1.webm 5.57MB
  6665. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/03 - Impressionism - 18 - Morisot, The Mother and Sister of the Artist.webm 5.57MB
  6666. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/02 - Burgundy and the Burgundian Netherlands - 11 - Christus, Portrait of a Young Girl.webm 5.57MB
  6667. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/02 - The demand curve - 06 - Inferior goods clarification.webm 5.57MB
  6668. Math/19 - Integral calculus - 01 - Integrals/03 - Riemann sums - 01 - Simple Riemann approximation using rectangles.webm 5.56MB
  6669. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 07 - Washer method rotating around non-axis.webm 5.56MB
  6670. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/03 - Solubility equilibria - 01 - Common polyatomic ions.webm 5.56MB
  6671. Test prep/02 - MCAT - 05 - Chemical processes/03 - Solubility equilibria - 01 - Common polyatomic ions.webm 5.56MB
  6672. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/08 - Maclaurin series and Euler's identity - 07 - Evaluating power series for mystery function.webm 5.56MB
  6673. Math/15 - Trigonometry - 03 - Graphs of trig functions/01 - Graphs of trig functions - 08 - Example_ Figure out the trig function.webm 5.56MB
  6674. Test prep/02 - MCAT - 02 - Cells/07 - Viruses - 04 - Subviral particles Viroids and prions.webm 5.56MB
  6675. Math/21 - Differential equations - 01 - First order differential equations/01 - Intro to differential equations - 03 - Creating a slope field.webm 5.55MB
  6676. Math/13 - Geometry - 01 - Introduction to Euclidean geometry/01 - Introduction to Euclidean geometry - 08 - Identifying rays.webm 5.55MB
  6677. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/08 - Observations - 08 - 'Stare' with Jeff Rosenheim.webm 5.55MB
  6678. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/02 - Multiplying and dividing negative numbers - 03 - Why a negative times a negative makes intuitive sense.webm 5.55MB
  6679. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/03 - Multiplying and dividing negative numbers - 03 - Why a negative times a negative makes intuitive sense.webm 5.55MB
  6680. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/03 - Multiplying and dividing negative numbers - 03 - Why a negative times a negative makes intuitive sense.webm 5.55MB
  6681. Math/10 - Algebra basics - 01 - Foundations/01 - Negative numbers - 07 - Why a negative times a negative makes intuitive sense.webm 5.55MB
  6682. Test prep/02 - MCAT - 04 - Physical processes/09 - Fluids at rest - 07 - Specific gravity.webm 5.55MB
  6683. Test prep/02 - MCAT - 04 - Physical processes/28 - Stoichiometry - 08 - Specific gravity.webm 5.55MB
  6684. Arts and humanities/10 - Age of global conflict - 08 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 02 - Smithson, Spiral Jetty.webm 5.55MB
  6685. Test prep/07 - AP* Art History - 06 - Later Europe and Americas_ 1750-1980 C.E./02 - Modernism - 08 - Smithson, Spiral Jetty.webm 5.55MB
  6686. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/05 - Naming and preparing alkynes - 01 - Alkyne nomenclature.webm 5.54MB
  6687. Math/11 - Algebra I - 07 - Quadratic equations/04 - The quadratic formula (quadratic equation) - 05 - Example 2_ Using the quadratic formula.webm 5.54MB
  6688. Science/06 - Health and medicine - 08 - Hematologic system diseases/03 - Iron deficiency anemia and anemia of chronic disease - 05 - Chronic disease vs iron deficiency anemia.webm 5.54MB
  6689. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/04 - Iron deficiency anemia and anemia of chronic disease - 05 - Chronic disease vs iron deficiency anemia.webm 5.54MB
  6690. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/01 - Concept of multiplication and division - 03 - More on the concept of multiplication.webm 5.54MB
  6691. Math/08 - Arithmetic - 02 - Multiplication and division/01 - Concept of multiplication and division - 03 - More on the concept of multiplication.webm 5.54MB
  6692. Math/05 - 6th grade (U.S.) - 06 - Geometry/03 - Volume and surface area - 04 - Nets of polyhedra.webm 5.54MB
  6693. Math/12 - Basic geometry - 06 - Volume and surface area/02 - Surface area - 01 - Nets of polyhedra.webm 5.54MB
  6694. Math/13 - Geometry - 06 - Perimeter, area, and volume/07 - Volume and surface area - 01 - Nets of polyhedra.webm 5.54MB
  6695. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/02 - Solving linear systems graphically - 04 - Graphical systems application problem.webm 5.54MB
  6696. Math/11 - Algebra I - 05 - Systems of equations and inequalities/03 - Solving systems graphically - 04 - Graphical systems application problem.webm 5.54MB
  6697. Science/06 - Health and medicine - 06 - Respiratory system diseases/03 - Emphysema (COPD) - 02 - Emphysema pathophysiology.webm 5.54MB
  6698. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 02 - Emphysema pathophysiology.webm 5.54MB
  6699. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 10 - Mega millions jackpot probability.webm 5.54MB
  6700. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 10 - Mega millions jackpot probability.webm 5.54MB
  6701. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/03 - Slope of a line - 07 - Slope and y-intercept intuition.webm 5.53MB
  6702. Math/10 - Algebra basics - 04 - Graphing lines and slope/04 - Slope of a line - 07 - Slope and y-intercept intuition.webm 5.53MB
  6703. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/06 - Slope - 07 - Slope and y-intercept intuition.webm 5.53MB
  6704. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/02 - Graphing solutions to equations - 06 - Application problem with graph.webm 5.52MB
  6705. Math/17 - Precalculus - 06 - Sequences, series and induction/07 - Deductive and inductive reasoning - 07 - Inductive patterns.webm 5.52MB
  6706. Science/04 - Organic chemistry - 13 - Amines/01 - Naming amines - 02 - Amine naming 2.webm 5.52MB
  6707. Math/08 - Arithmetic - 05 - Fractions/17 - Number sets - 01 - Number sets.webm 5.52MB
  6708. Math/09 - Pre-algebra - 04 - Fractions/17 - Number sets - 01 - Number sets.webm 5.52MB
  6709. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 01 - Corporate debt versus traditional mortgages.webm 5.52MB
  6710. Science/07 - Discoveries and projects - 09 - Discovery Lab 2012/01 - Discovery Lab 2012 - 04 - DLab_ A student presents her Lego robot.webm 5.52MB
  6711. Math/15 - Trigonometry - 01 - Basic trigonometry/04 - Reciprocal trig functions - 02 - Example_ Using trig to solve for missing information.webm 5.52MB
  6712. Arts and humanities/10 - Age of global conflict - 07 - Pop/01 - Pop - 04 - James Rosenquist, 'F-111,' 1964-65.webm 5.51MB
  6713. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 04 - James Rosenquist, 'F-111,' 1964-65.webm 5.51MB
  6714. Math/19 - Integral calculus - 03 - Integration applications/01 - Area between curves - 02 - Area between curves with multiple boundaries.webm 5.51MB
  6715. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/02 - Unit conversion - 06 - Unit conversion word problem_ yards to inches.webm 5.51MB
  6716. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/06 - Unit conversion - 08 - Unit conversion word problem_ yards to inches.webm 5.51MB
  6717. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 11 - Unit conversion word problem_ yards to inches.webm 5.51MB
  6718. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/07 - Nature - 02 - 'Precaution' with Isabel Stünkel.webm 5.51MB
  6719. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/01 - System for solving the King's problems - 08 - Talking bird solves systems with substitution.webm 5.50MB
  6720. Math/11 - Algebra I - 05 - Systems of equations and inequalities/01 - A system for solving the King's problems - 08 - Talking bird solves systems with substitution.webm 5.50MB
  6721. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 08 - Talking bird solves systems with substitution.webm 5.50MB
  6722. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/01 - Reading and interpreting data - 05 - Histograms.webm 5.50MB
  6723. Science/06 - Health and medicine - 08 - Hematologic system diseases/01 - Anemia - 03 - Microcytic, normocytic, and macrocytic anemias.webm 5.50MB
  6724. Test prep/03 - NCLEX-RN - 06 - Hematologic system diseases/01 - Anemia - 03 - Microcytic, normocytic, and macrocytic anemias.webm 5.50MB
  6725. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/11 - The art of dress - 04 - 'Extreme Fashion' with Andrew Bolton.webm 5.49MB
  6726. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/04 - Dining - 04 - 'Poetic License' with Martina Rugiadi.webm 5.49MB
  6727. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/01 - Consumer and producer surplus - 03 - Total consumer surplus as area.webm 5.48MB
  6728. Math/19 - Integral calculus - 01 - Integrals/04 - Properties of the definite integral - 07 - Examples leveraging integration properties.webm 5.48MB
  6729. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/04 - Dining - 03 - 'Sustenance' with Catharine Roehrig.webm 5.48MB
  6730. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/01 - Random variables and probability distributions - 03 - Constructing a probability distribution for random variable.webm 5.48MB
  6731. Math/06 - 7th grade (U.S.) - 05 - Geometry/05 - Angles - 04 - Find measure of angles in a word problem.webm 5.48MB
  6732. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/05 - Arterial stiffness - 03 - Stored elastic energy in large and middle sized arteries.webm 5.48MB
  6733. Science/04 - Organic chemistry - 04 - Stereochemistry/02 - Chirality and absolute configuration - 04 - R,S system for bromochlorofluoromethane.webm 5.47MB
  6734. Test prep/02 - MCAT - 05 - Chemical processes/05 - Stereochemistry - 05 - R,S system for bromochlorofluoromethane.webm 5.47MB
  6735. Science/06 - Health and medicine - 12 - Executive systems of the brain/01 - Cognition - 01 - Piaget's stages of cognitive development.webm 5.47MB
  6736. Test prep/02 - MCAT - 06 - Processing the environment/07 - Cognition - 01 - Piaget's stages of cognitive development.webm 5.47MB
  6737. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 04 - Algebra_ Linear equations 3.webm 5.47MB
  6738. Math/03 - 4th grade (U.S.) - 03 - Fractions/10 - Rewriting fractions as decimals - 02 - Rewriting a fraction to decimal example 2.webm 5.47MB
  6739. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/05 - Sound (Audition) - 02 - Auditory structure - part 2.webm 5.46MB
  6740. Test prep/02 - MCAT - 06 - Processing the environment/03 - Sound (Audition) - 02 - Auditory structure - part 2.webm 5.46MB
  6741. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/04 - Printmaking - 04 - Introduction to intaglio.webm 5.46MB
  6742. Partner content/04 - The Museum of Modern Art - 01 - Printmaking/01 - Printmaking - 04 - Introduction to intaglio.webm 5.46MB
  6743. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 08 - 'Arresting' with Charles Little.webm 5.46MB
  6744. Math/03 - 4th grade (U.S.) - 05 - Geometry/05 - Classifying geometric shapes - 02 - Quadrilateral properties.webm 5.46MB
  6745. Math/04 - 5th grade (U.S.) - 05 - Geometry/02 - Quadrilaterals - 02 - Quadrilateral properties.webm 5.46MB
  6746. Math/12 - Basic geometry - 03 - Shapes/01 - Classifying shapes - 02 - Quadrilateral properties.webm 5.46MB
  6747. Math/13 - Geometry - 06 - Perimeter, area, and volume/06 - Perimeter and area of non-standard shapes - 02 - Quadrilateral properties.webm 5.46MB
  6748. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 02 - Quadrilateral properties.webm 5.46MB
  6749. Test prep/02 - MCAT - 08 - Individuals and society/03 - Social behavior - 05 - Secure and insecure attachment.webm 5.46MB
  6750. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 08 - Art Terms in Action_ Enamel.webm 5.46MB
  6751. Partner content/04 - The Museum of Modern Art - 05 - Art terms in action/01 - Art terms in action - 07 - Art Terms in Action_ Enamel.webm 5.46MB
  6752. Science/06 - Health and medicine - 12 - Executive systems of the brain/02 - Attention and language - 01 - Divided attention, selective attention, inattentional blindness, and change blindness.webm 5.45MB
  6753. Test prep/02 - MCAT - 06 - Processing the environment/06 - Attention and language - 01 - Divided attention, selective attention, inattentional blindness, and change blindness.webm 5.45MB
  6754. Math/13 - Geometry - 03 - Congruence/03 - Congruence and isosceles and equilateral triangles - 04 - Another isosceles example problem.webm 5.45MB
  6755. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/01 - Compound interest basics - 01 - Introduction to compound interest.webm 5.45MB
  6756. Partner content/19 - Big History Project - 04 - 4. Our Solar System and Earth/01 - 4.0—Earth and the Formation of Our Solar System - 01 - Threshold 4_ Earth and Solar System.webm 5.45MB
  6757. Partner content/18 - NASA - 02 - Measuring the Universe/01 - Modeling the solar system - 02 - Lunar eclipse.webm 5.44MB
  6758. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 09 - Proof_ Rhombus area half product of diagonal length.webm 5.43MB
  6759. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/01 - Body and mind - 06 - 'Enamored' with Seán Hemingway.webm 5.43MB
  6760. Test prep/02 - MCAT - 02 - Cells/03 - Transport across a cell membrane - 02 - Passive Transport by Facilitated Diffusion.webm 5.43MB
  6761. Science/03 - Chemistry - 05 - Chemical bonds/02 - Dot structures - 03 - Resonance and dot structures.webm 5.43MB
  6762. Test prep/02 - MCAT - 05 - Chemical processes/04 - Dot structures - 03 - Resonance and dot structures.webm 5.43MB
  6763. Math/19 - Integral calculus - 02 - Integration techniques/03 - Reverse chain rule - 01 - Reverse chain rule introduction.webm 5.42MB
  6764. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 04 - CAHSEE practice_ Problems 13-14.webm 5.42MB
  6765. Math/10 - Algebra basics - 08 - Equations and geometry/02 - Triangle similarity - 05 - Similarity example where same side plays different roles.webm 5.42MB
  6766. Math/13 - Geometry - 04 - Similarity/02 - Triangle similarity - 05 - Similarity example where same side plays different roles.webm 5.42MB
  6767. Math/01 - Early math - 03 - Addition and subtraction/06 - Subtraction within 100 - 05 - Introduction to regrouping (borrowing).webm 5.42MB
  6768. Math/08 - Arithmetic - 01 - Addition and subtraction/04 - Subtracting within 1000 - 02 - Introduction to regrouping (borrowing).webm 5.42MB
  6769. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/02 - Modeling with exponential functions - 03 - Modeling ticket fines with exponential function.webm 5.42MB
  6770. Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/03 - Depreciation and amortization - 03 - Depreciation in cash flow.webm 5.42MB
  6771. Science/06 - Health and medicine - 06 - Respiratory system diseases/05 - Cystic fibrosis - 04 - Cystic fibrosis treatments.webm 5.42MB
  6772. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/05 - Cystic fibrosis - 04 - Cystic fibrosis treatments.webm 5.42MB
  6773. Math/02 - 3rd grade (U.S.) - 05 - Place value and rounding/01 - Rounding - 03 - Examples rounding to the nearest 10 and 100.webm 5.41MB
  6774. Math/11 - Algebra I - 09 - Functions/10 - Classic function videos - 04 - Functions (part 4).webm 5.41MB
  6775. Math/02 - 3rd grade (U.S.) - 03 - Fractions/02 - Comparing fractions - 08 - Comparing fractions with greater than and less than symbols.webm 5.41MB
  6776. Math/08 - Arithmetic - 05 - Fractions/04 - Comparing fractions - 01 - Comparing fractions with greater than and less than symbols.webm 5.41MB
  6777. Math/09 - Pre-algebra - 04 - Fractions/04 - Comparing fractions - 01 - Comparing fractions with greater than and less than symbols.webm 5.41MB
  6778. Math/08 - Arithmetic - 05 - Fractions/17 - Number sets - 03 - Number sets 2.webm 5.41MB
  6779. Math/09 - Pre-algebra - 04 - Fractions/17 - Number sets - 03 - Number sets 2.webm 5.41MB
  6780. Science/02 - Physics - 06 - Moments, torque, and angular momentum/01 - Torque, moments, and angular momentum - 07 - Constant angular momentum when no net torque.webm 5.40MB
  6781. Math/14 - Algebra II - 08 - Conic sections/07 - Conics in the IIT JEE - 02 - IIT JEE circle hyperbola common tangent part 1.webm 5.40MB
  6782. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 23 - IIT JEE circle hyperbola common tangent part 1.webm 5.40MB
  6783. Math/16 - Probability and statistics - 01 - Independent and dependent events/05 - Basic set operations - 03 - Universal set and absolute complement.webm 5.40MB
  6784. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 02 - Quantitative easing.webm 5.40MB
  6785. Math/19 - Integral calculus - 03 - Integration applications/08 - Area defined by polar graphs - 01 - Area enclosed by polar graph formula intuition.webm 5.40MB
  6786. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/06 - Probability and compound events - 01 - Compound probability of independent events.webm 5.40MB
  6787. Math/16 - Probability and statistics - 01 - Independent and dependent events/03 - Compound, independent events - 01 - Compound probability of independent events.webm 5.40MB
  6788. Math/17 - Precalculus - 05 - Probability and combinatorics/03 - Compound, independent events - 01 - Compound probability of independent events.webm 5.40MB
  6789. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/05 - Thinking about solutions to systems - 05 - Practice thinking about number of solutions to systems.webm 5.40MB
  6790. Math/11 - Algebra I - 05 - Systems of equations and inequalities/04 - Thinking about solutions to systems - 05 - Practice thinking about number of solutions to systems.webm 5.40MB
  6791. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 14 - Practice thinking about number of solutions to systems.webm 5.40MB
  6792. Math/04 - 5th grade (U.S.) - 02 - Fractions/04 - Dividing fractions - 01 - Understanding fractions as division.webm 5.40MB
  6793. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/04 - Triangle similarity and slope - 02 - Slope and triangle similarity 1.webm 5.39MB
  6794. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/12 - Triangle similarity and constant slope - 02 - Slope and triangle similarity 1.webm 5.39MB
  6795. Math/14 - Algebra II - 02 - Functions and their graphs/05 - Composing functions - 01 - Introduction to function composition.webm 5.39MB
  6796. Math/07 - 8th grade (U.S.) - 05 - Geometry/06 - Special right triangles - 02 - 45-45-90 triangle side ratios.webm 5.39MB
  6797. Math/12 - Basic geometry - 07 - The Pythagorean theorem/02 - Special right triangles - 02 - 45-45-90 triangle side ratios.webm 5.39MB
  6798. Math/13 - Geometry - 05 - Right triangles and trigonometry/03 - Special right triangles - 02 - 45-45-90 triangle side ratios.webm 5.39MB
  6799. Math/11 - Algebra I - 07 - Quadratic equations/06 - Graphing quadratics - 03 - Graphing a parabola by finding the roots and vertex.webm 5.38MB
  6800. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/06 - Percent word problems - 02 - Solving percent problems.webm 5.37MB
  6801. Math/08 - Arithmetic - 04 - Decimals/10 - Percent word problems - 02 - Solving percent problems.webm 5.37MB
  6802. Math/09 - Pre-algebra - 03 - Decimals/10 - Percent word problems - 02 - Solving percent problems.webm 5.37MB
  6803. Math/13 - Geometry - 07 - Circles/03 - Equation of a circle - 01 - Equation for a circle using the Pythagorean Theorem.webm 5.37MB
  6804. Science/06 - Health and medicine - 12 - Executive systems of the brain/01 - Cognition - 02 - Problem solving.webm 5.36MB
  6805. Test prep/02 - MCAT - 06 - Processing the environment/07 - Cognition - 02 - Problem solving.webm 5.36MB
  6806. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/02 - Historical circumstances explained by AD_AS - 03 - Cost-push inflation.webm 5.36MB
  6807. Math/11 - Algebra I - 07 - Quadratic equations/03 - Completing the square - 04 - Example 3_ Completing the square.webm 5.36MB
  6808. Test prep/02 - MCAT - 01 - Biomolecules/01 - Amino acids and proteins - 06 - Isoelectric point and zwitterions.webm 5.36MB
  6809. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 06 - Conflict theory.webm 5.36MB
  6810. Math/18 - Differential calculus - 01 - Limits/08 - Epsilon delta definition of limits - 02 - Building the idea of epsilon-delta definition.webm 5.35MB
  6811. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/07 - Dependent probability - 01 - Dependent probability introduction.webm 5.35MB
  6812. Math/16 - Probability and statistics - 01 - Independent and dependent events/04 - Dependent probability - 01 - Dependent probability introduction.webm 5.35MB
  6813. Math/17 - Precalculus - 05 - Probability and combinatorics/04 - Dependent events - 01 - Dependent probability introduction.webm 5.35MB
  6814. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 09 - Art Terms in Action_ Emulsion.webm 5.35MB
  6815. Partner content/04 - The Museum of Modern Art - 05 - Art terms in action/01 - Art terms in action - 08 - Art Terms in Action_ Emulsion.webm 5.35MB
  6816. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/04 - Hedge funds - 06 - Hedge fund strategies_ Long short 2.webm 5.35MB
  6817. Test prep/02 - MCAT - 08 - Individuals and society/02 - Perception, prejudice, and bias - 07 - Social perception - Primacy recency.webm 5.34MB
  6818. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/04 - Dinosaur fossils - 07 - Can we clone extinct dinosaurs from DNA preserved in their fossils_.webm 5.34MB
  6819. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/01 - Abstract Expressionism - 04 - Mark Rothko's No. 3_No. 13, 1949.webm 5.34MB
  6820. Math/23 - Recreational math - 02 - Puzzles/01 - Brain teasers - 01 - Heavier ball.webm 5.34MB
  6821. Math/15 - Trigonometry - 04 - Trig identities and examples/03 - Angle addition formulas - 02 - Angle addition formula with cosine.webm 5.34MB
  6822. Math/18 - Differential calculus - 03 - Derivative applications/09 - Mean value theorem - 01 - Mean value theorem.webm 5.33MB
  6823. Economics and finance/01 - Microeconomics - 04 - Scarcity, possibilities, preferences and opportunity cost/03 - Marginal utility and budget lines - 07 - Types of indifference curves.webm 5.33MB
  6824. Math/11 - Algebra I - 09 - Functions/08 - Function inverses - 04 - Function inverse example 1.webm 5.33MB
  6825. Math/14 - Algebra II - 02 - Functions and their graphs/06 - Function inverses - 02 - Function inverse example 1.webm 5.33MB
  6826. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/02 - Blockades and American entry - 02 - Zimmermann Telegram.webm 5.33MB
  6827. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/05 - Proof of Stokes' theorem - 06 - Stokes' theorem proof part 6.webm 5.33MB
  6828. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 01 - Redox reaction from dissolving zinc in copper sulfate.webm 5.32MB
  6829. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 01 - Redox reaction from dissolving zinc in copper sulfate.webm 5.32MB
  6830. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/02 - Intercepts of linear functions - 07 - Interpreting intercepts of linear functions.webm 5.32MB
  6831. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/03 - x-intercepts and y-intercepts of linear functions - 07 - Interpreting intercepts of linear functions.webm 5.32MB
  6832. Partner content/09 - Asian Art Museum - 06 - Korea/01 - Korea - 04 - Ewer with lid.webm 5.32MB
  6833. Math/15 - Trigonometry - 04 - Trig identities and examples/04 - Angle addition formula proofs - 02 - Proof of angle addition formula for cosine.webm 5.32MB
  6834. Math/07 - 8th grade (U.S.) - 05 - Geometry/03 - Triangle angles - 04 - Triangle angle example 3.webm 5.32MB
  6835. Math/10 - Algebra basics - 08 - Equations and geometry/01 - Angles with triangles and polygons - 04 - Triangle angle example 3.webm 5.32MB
  6836. Math/12 - Basic geometry - 03 - Shapes/02 - Finding angles in shapes - 04 - Triangle angle example 3.webm 5.32MB
  6837. Math/13 - Geometry - 02 - Angles and intersecting lines/03 - Angles with triangles and polygons - 04 - Triangle angle example 3.webm 5.32MB
  6838. Science/02 - Physics - 03 - Forces and Newton's laws of motion/01 - Newton's laws of motion - 01 - Newton's first law of motion.webm 5.32MB
  6839. Science/06 - Health and medicine - 04 - Circulatory system diseases/10 - Cyanotic heart diseases - 08 - Transposition of great arteries.webm 5.30MB
  6840. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/04 - Cyanotic heart diseases - 08 - Transposition of great arteries.webm 5.30MB
  6841. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 04 - Atrial fibrillation (Afib).webm 5.30MB
  6842. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 04 - Atrial fibrillation (Afib).webm 5.30MB
  6843. Math/22 - Linear algebra - 02 - Matrix transformations/01 - Functions and linear transformations - 08 - Preimage of a set.webm 5.29MB
  6844. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/03 - James Madison - 07 - The Federalist Papers.webm 5.29MB
  6845. Arts and humanities/08 - Monarchy and enlightenment - 02 - Rococo/01 - Rococo - 02 - Boucher, Madame de Pompadour.webm 5.29MB
  6846. Math/14 - Algebra II - 06 - Logarithms/01 - Logarithm basics - 01 - Logarithms.webm 5.29MB
  6847. Science/02 - Physics - 05 - Impacts and linear momentum/01 - Momentum - 02 - Momentum_ Ice skater throws a ball.webm 5.29MB
  6848. Math/15 - Trigonometry - 04 - Trig identities and examples/01 - Symmetry and periodicity of trig functions - 03 - Relating trig function through angle rotations.webm 5.28MB
  6849. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/04 - Triangle similarity and slope - 05 - Slope and triangle similarity 4.webm 5.28MB
  6850. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/12 - Triangle similarity and constant slope - 05 - Slope and triangle similarity 4.webm 5.28MB
  6851. Math/19 - Integral calculus - 02 - Integration techniques/04 - Integration using trigonometric identities - 03 - Trig identities for trig integral.webm 5.28MB
  6852. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 06 - 2011 Calculus AB free response #4a.webm 5.28MB
  6853. Math/21 - Differential equations - 02 - Second order linear equations/03 - Method of undetermined coefficients - 04 - Undetermined coefficients 4.webm 5.28MB
  6854. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/05 - Thinking about solutions to systems - 03 - Consistent and inconsistent systems.webm 5.28MB
  6855. Math/11 - Algebra I - 05 - Systems of equations and inequalities/04 - Thinking about solutions to systems - 03 - Consistent and inconsistent systems.webm 5.28MB
  6856. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 12 - Consistent and inconsistent systems.webm 5.28MB
  6857. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/02 - Deadweight loss - 04 - Percentage tax on hamburgers.webm 5.28MB
  6858. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 03 - Sum of factors of 27000.webm 5.28MB
  6859. Math/14 - Algebra II - 02 - Functions and their graphs/09 - Properties and features of functions - 03 - Connection between even and odd numbers and functions.webm 5.28MB
  6860. Test prep/02 - MCAT - 02 - Cells/01 - Cell membrane overview - 06 - Membrane dynamics.webm 5.28MB
  6861. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 12 - Evaluating integral for washer method around vertical line.webm 5.27MB
  6862. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 08 - Subtracting rational expressions.webm 5.27MB
  6863. Math/14 - Algebra II - 04 - Rational expressions/02 - Adding and subtracting rational expressions - 02 - Subtracting rational expressions.webm 5.27MB
  6864. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 14 - 2011 Calculus AB free response #6b.webm 5.27MB
  6865. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/07 - Mergers and acquisitions - 02 - Price behavior after announced acquisition.webm 5.27MB
  6866. Math/11 - Algebra I - 02 - Linear equations/02 - Super Yoga plans - 06 - Constructing and solving equations in the real world 1 exercise.webm 5.26MB
  6867. Math/11 - Algebra I - 09 - Functions/04 - Direct and inverse variation - 06 - Inverse variation application.webm 5.26MB
  6868. Math/17 - Precalculus - 02 - Matrices/05 - Geometric transformations with matrices - 03 - Transforming a quadrilateral.webm 5.26MB
  6869. Science/06 - Health and medicine - 06 - Respiratory system diseases/03 - Emphysema (COPD) - 05 - Centriacinar emphysema vs panacinar emphysema.webm 5.26MB
  6870. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/03 - Emphysema (COPD) - 05 - Centriacinar emphysema vs panacinar emphysema.webm 5.26MB
  6871. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 08 - China keeps peg but diversifies holdings.webm 5.26MB
  6872. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/03 - James Madison - 08 - Political parties.webm 5.25MB
  6873. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/07 - Nature - 04 - 'My First Time' with George Goldner.webm 5.25MB
  6874. Test prep/02 - MCAT - 08 - Individuals and society/02 - Perception, prejudice, and bias - 02 - Attribution theory - Attribution error and culture.webm 5.25MB
  6875. Science/07 - Discoveries and projects - 04 - Lego robotics/03 - Coin detector - 05 - Design review (calibration).webm 5.25MB
  6876. Test prep/01 - SAT - 03 - SAT Math practice/05 - SAT Math_ Level 5 - 07 - 18 Average tree height.webm 5.24MB
  6877. Math/11 - Algebra I - 09 - Functions/05 - Graphing functions - 02 - Ex 2_ Graphing a basic function.webm 5.24MB
  6878. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/03 - Two-step word problems - 03 - Marbles for friends.webm 5.24MB
  6879. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 12 - Social theories overview (part 2).webm 5.23MB
  6880. Science/06 - Health and medicine - 13 - Infectious diseases/02 - Pertussis - 05 - Pertussis vaccine.webm 5.22MB
  6881. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/15 - Pertussis - 05 - Pertussis vaccine.webm 5.22MB
  6882. Science/06 - Health and medicine - 06 - Respiratory system diseases/02 - Asthma - 05 - Asthma shortterm treatments.webm 5.22MB
  6883. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 05 - Asthma shortterm treatments.webm 5.22MB
  6884. Math/11 - Algebra I - 08 - Exponent expressions and equations/04 - Simplifying radical expressions - 07 - Subtracting and simplifying radicals.webm 5.22MB
  6885. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/01 - Consumer and producer surplus - 01 - Demand curve as marginal benefit curve.webm 5.22MB
  6886. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 13 - CAHSEE practice_ Problems 43-46.webm 5.22MB
  6887. Math/18 - Differential calculus - 02 - Taking derivatives/03 - Introduction to derivatives - 03 - Tangent slope as limiting value of secant slope example 2.webm 5.21MB
  6888. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/02 - Multiplying and dividing negative numbers - 02 - Why a negative times a negative is a positive.webm 5.21MB
  6889. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/03 - Multiplying and dividing negative numbers - 02 - Why a negative times a negative is a positive.webm 5.21MB
  6890. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/03 - Multiplying and dividing negative numbers - 02 - Why a negative times a negative is a positive.webm 5.21MB
  6891. Math/10 - Algebra basics - 01 - Foundations/01 - Negative numbers - 06 - Why a negative times a negative is a positive.webm 5.21MB
  6892. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/05 - Applying linear equations - 02 - Linear equation word problem.webm 5.21MB
  6893. Math/10 - Algebra basics - 03 - Linear equations and inequalities/02 - Linear equation word problems - 01 - Linear equation word problem.webm 5.21MB
  6894. Math/11 - Algebra I - 02 - Linear equations/04 - Linear equation word problems - 01 - Linear equation word problem.webm 5.21MB
  6895. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 10 - 2003 AIME II problem 1.webm 5.21MB
  6896. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 01 - 2003 AIME II problem 1.webm 5.21MB
  6897. Math/16 - Probability and statistics - 02 - Probability and combinatorics/04 - Making decisions with probability - 01 - Simple hypothesis testing.webm 5.20MB
  6898. Math/16 - Probability and statistics - 03 - Statistical studies/03 - Hypothesis testing - 01 - Simple hypothesis testing.webm 5.20MB
  6899. Math/13 - Geometry - 07 - Circles/03 - Equation of a circle - 02 - Pythagorean theorem and radii of circles.webm 5.20MB
  6900. Test prep/02 - MCAT - 02 - Cells/07 - Viruses - 02 - Viral replicaiton Lytic vs lysogenic.webm 5.20MB
  6901. Math/09 - Pre-algebra - 02 - Factors and multiples/01 - Divisibility tests - 02 - Recognizing divisibility.webm 5.19MB
  6902. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/07 - Black-Scholes formula - 02 - Implied volatility.webm 5.18MB
  6903. Test prep/02 - MCAT - 02 - Cells/08 - Embryology - 05 - Gestation.webm 5.18MB
  6904. Math/13 - Geometry - 08 - Special properties and parts of triangles/01 - Perpendicular bisectors - 02 - Circumcenter of a right triangle.webm 5.18MB
  6905. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 10 - Marina Abramović.webm 5.18MB
  6906. Partner content/04 - The Museum of Modern Art - 07 - Performance Art/01 - Performance Art - 02 - Marina Abramović.webm 5.18MB
  6907. Computing/01 - Computer programming - 04 - HTML_CSS_ Making webpages/01 - Intro to HTML - 01 - Welcome to the web_.webm 5.17MB
  6908. Test prep/02 - MCAT - 08 - Individuals and society/01 - Self-identity - 09 - George Herbert Mead- The I and the Me.webm 5.17MB
  6909. Math/05 - 6th grade (U.S.) - 03 - Negative numbers/02 - Absolute value - 01 - Absolute value and number lines.webm 5.17MB
  6910. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/04 - Absolute value - 01 - Absolute value and number lines.webm 5.17MB
  6911. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/04 - Absolute value - 01 - Absolute value and number lines.webm 5.17MB
  6912. Math/10 - Algebra basics - 01 - Foundations/02 - Absolute value - 01 - Absolute value and number lines.webm 5.17MB
  6913. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 01 - Fed open market operations.webm 5.17MB
  6914. Math/01 - Early math - 03 - Addition and subtraction/08 - Addition and subtraction within 1000 - 01 - Adding ten or one hundred.webm 5.17MB
  6915. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/05 - Thinking about solutions to systems - 06 - Constructing solutions to systems of equations.webm 5.17MB
  6916. Math/11 - Algebra I - 05 - Systems of equations and inequalities/04 - Thinking about solutions to systems - 06 - Constructing solutions to systems of equations.webm 5.17MB
  6917. Math/11 - Algebra I - 05 - Systems of equations and inequalities/08 - Systems of inequalities - 02 - Visualizing the solution set for a system of inequalities.webm 5.16MB
  6918. Math/14 - Algebra II - 01 - Systems of equations and inequalities/02 - Systems of inequalities - 01 - Visualizing the solution set for a system of inequalities.webm 5.16MB
  6919. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 09 - 'Idolized' with Diana Craig Patch.webm 5.16MB
  6920. Math/05 - 6th grade (U.S.) - 04 - Properties of numbers/01 - Least common multiple - 03 - Least common multiple exercise_ 3 numbers.webm 5.16MB
  6921. Math/09 - Pre-algebra - 02 - Factors and multiples/05 - Least common multiple - 03 - Least common multiple exercise_ 3 numbers.webm 5.16MB
  6922. Math/02 - 3rd grade (U.S.) - 04 - Measurement and geometry/01 - Area - 06 - Calculating the square footage of a house.webm 5.16MB
  6923. Math/09 - Pre-algebra - 09 - Measurement/01 - Area basics - 06 - Calculating the square footage of a house.webm 5.16MB
  6924. Math/11 - Algebra I - 07 - Quadratic equations/05 - Features of quadratic functions - 01 - Completing the square for vertex form.webm 5.16MB
  6925. Math/18 - Differential calculus - 02 - Taking derivatives/06 - Power rule - 02 - Is the power rule reasonable.webm 5.15MB
  6926. Math/09 - Pre-algebra - 02 - Factors and multiples/01 - Divisibility tests - 01 - Divisibility tests for 2, 3, 4, 5, 6, 9, 10.webm 5.14MB
  6927. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/07 - Nature - 01 - 'Ephemeral' with Alice Cooney Frelinghuysen.webm 5.14MB
  6928. Math/05 - 6th grade (U.S.) - 04 - Properties of numbers/03 - Distributive property - 03 - Distributive property algebraic expressions.webm 5.14MB
  6929. Math/09 - Pre-algebra - 08 - Arithmetic properties/08 - The distributive property - 03 - Distributive property algebraic expressions.webm 5.14MB
  6930. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 10 - Coupling constant.webm 5.14MB
  6931. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 10 - Coupling constant.webm 5.14MB
  6932. Math/13 - Geometry - 11 - Analytic geometry/01 - Geometry problems on the coordinate plane - 04 - Which minions can the wizard reach.webm 5.14MB
  6933. Test prep/02 - MCAT - 05 - Chemical processes/07 - Separations and purifications - 04 - Thin layer chromatography (TLC).webm 5.14MB
  6934. Math/18 - Differential calculus - 03 - Derivative applications/06 - Optimization with calculus - 06 - Expression for combined area of triangle and square.webm 5.13MB
  6935. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 13 - DLab_ Student perspective on the Spout Bot project (2).webm 5.13MB
  6936. Science/07 - Discoveries and projects - 03 - Robots/05 - Bit-zee Bot - 01 - Bit-zeeeeeeeeeee.webm 5.13MB
  6937. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/02 - Graphing solutions to equations - 08 - Exploring linear relationships.webm 5.13MB
  6938. Partner content/17 - The Aspen Institute - 03 - The founding mothers of the United States of America/02 - An introduction to the founding mothers - 04 - Mercy Otis Warren.webm 5.12MB
  6939. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 03 - CAHSEE practice_ Problems 10-12.webm 5.12MB
  6940. Math/19 - Integral calculus - 01 - Integrals/01 - Indefinite integral as anti-derivative - 05 - Antiderivative of hairier expression.webm 5.12MB
  6941. Math/08 - Arithmetic - 02 - Multiplication and division/05 - Multi-digit multiplication - 11 - Multiplication 7_ Old video giving more examples.webm 5.12MB
  6942. Math/18 - Differential calculus - 02 - Taking derivatives/04 - Visualizing graphs of functions and their derivatives - 03 - Graphs of functions and their derivatives example 1.webm 5.12MB
  6943. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/04 - Sight (vision) - 04 - Photoreceptors (rods vs cones).webm 5.11MB
  6944. Test prep/02 - MCAT - 06 - Processing the environment/02 - Sight (vision) - 04 - Photoreceptors (rods vs cones).webm 5.11MB
  6945. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 10 - Calculating integral disc method around vertical line.webm 5.11MB
  6946. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/10 - Puzzles and surprises - 04 - 'Enigma' with Janice Kamrin.webm 5.11MB
  6947. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 01 - Representing structures of organic molecules.webm 5.11MB
  6948. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/05 - Family and community - 01 - 'Prime of Life' with Alisa LaGamma.webm 5.11MB
  6949. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/03 - Cell potentials - 06 - Standard cell potential and the equilibrium constant.webm 5.10MB
  6950. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 10 - Standard cell potential and the equilibrium constant.webm 5.10MB
  6951. Math/10 - Algebra basics - 07 - Quadratics and polynomials/05 - Solving quadratics by factoring - 04 - Dimensions from volume of box.webm 5.10MB
  6952. Math/11 - Algebra I - 07 - Quadratic equations/02 - Solving quadratics by factoring - 04 - Dimensions from volume of box.webm 5.10MB
  6953. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/06 - Intersections - 04 - 'Monsters' with Kiki Karoglou.webm 5.10MB
  6954. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/04 - Metric system unit conversion - 04 - Applying the metric system.webm 5.10MB
  6955. Math/05 - 6th grade (U.S.) - 04 - Properties of numbers/02 - Greatest common factor - 02 - Greatest common factor explained.webm 5.09MB
  6956. Math/09 - Pre-algebra - 02 - Factors and multiples/06 - Greatest common factor - 02 - Greatest common factor explained.webm 5.09MB
  6957. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/01 - Adding and subtracting negative numbers - 01 - Adding negative numbers.webm 5.09MB
  6958. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 01 - Adding negative numbers.webm 5.09MB
  6959. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 02 - Adding negative numbers.webm 5.09MB
  6960. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/04 - IS-LM model - 03 - Loanable funds interpretation of IS curve.webm 5.09MB
  6961. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 04 - AP Calculus BC exams_ 2008 1 d.webm 5.09MB
  6962. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/03 - Sensory perception - 06 - Signal detection theory - part 2.webm 5.09MB
  6963. Test prep/02 - MCAT - 06 - Processing the environment/01 - Sensory perception - 08 - Signal detection theory - part 2.webm 5.09MB
  6964. Test prep/02 - MCAT - 07 - Behavior/04 - Theories of personality - 05 - Behavioral theory.webm 5.09MB
  6965. Math/18 - Differential calculus - 03 - Derivative applications/02 - Motion along a line - 02 - Analyzing particle movement based on graphs.webm 5.09MB
  6966. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/05 - Family and community - 02 - 'Healer' with Jim Draper.webm 5.08MB
  6967. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/03 - Series - 07 - Finding the sum of n squares part 2.webm 5.08MB
  6968. Math/10 - Algebra basics - 07 - Quadratics and polynomials/01 - Factoring simple expressions - 03 - Factor expressions using the GCF.webm 5.08MB
  6969. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/03 - Factoring simple expressions - 05 - Factor expressions using the GCF.webm 5.08MB
  6970. Partner content/09 - Asian Art Museum - 05 - China/01 - China - 04 - Seated Buddha dated 338.webm 5.08MB
  6971. Math/10 - Algebra basics - 03 - Linear equations and inequalities/04 - Linear inequalities - 09 - Multi-step inequalities 3.webm 5.08MB
  6972. Math/11 - Algebra I - 03 - Linear inequalities/01 - Thinking algebraically about inequalities - 09 - Multi-step inequalities 3.webm 5.08MB
  6973. Science/06 - Health and medicine - 04 - Circulatory system diseases/07 - Cardiac dysrhythmias and tachycardias - 05 - Atrial flutter (AFL).webm 5.07MB
  6974. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/02 - Cardiac dysrhythmias and tachycardias - 05 - Atrial flutter (AFL).webm 5.07MB
  6975. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/01 - The modern U.S. Supreme Court on privacy and civil liberties - 05 - NSA Surveillance_ Klayman v Obama, Smith v. Maryland.webm 5.07MB
  6976. Math/16 - Probability and statistics - 03 - Statistical studies/04 - Categorical data - 03 - Filling out frequency table for independent events.webm 5.07MB
  6977. Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/02 - Three core financial statements - 03 - Doing the example with accounts payable growing.webm 5.07MB
  6978. Math/15 - Trigonometry - 04 - Trig identities and examples/05 - Law of cosines and law of sines - 04 - Law of sines.webm 5.07MB
  6979. Science/04 - Organic chemistry - 07 - Alcohols, ethers, epoxides, sulfides/03 - Reactions of alcohols - 07 - Formation of nitrate esters.webm 5.07MB
  6980. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 03 - DLab_ Building a stellated icosahedron.webm 5.07MB
  6981. Math/14 - Algebra II - 02 - Functions and their graphs/08 - Shifting and reflecting functions - 04 - Equations for radical functions example.webm 5.06MB
  6982. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 03 - 'The Geeky Side' with Melanie Holcomb.webm 5.06MB
  6983. Math/18 - Differential calculus - 02 - Taking derivatives/10 - Derivatives of inverse functions - 06 - Derivative using log properties.webm 5.06MB
  6984. Math/14 - Algebra II - 03 - Polynomial and rational functions/08 - Factoring and roots of higher degree polynomials - 05 - Identifying graph based on roots.webm 5.06MB
  6985. Test prep/02 - MCAT - 07 - Behavior/10 - Learning - 02 - Classical conditioning_ Extinction, spontaneous recovery, generalization, discrimination.webm 5.06MB
  6986. Math/04 - 5th grade (U.S.) - 02 - Fractions/02 - More adding and subtracting fractions, and mixed numbers - 01 - Adding fractions with unlike denominators_ word problem.webm 5.06MB
  6987. Math/08 - Arithmetic - 05 - Fractions/08 - Adding and subtracting with unlike denominator word problems - 01 - Adding fractions with unlike denominators_ word problem.webm 5.06MB
  6988. Math/09 - Pre-algebra - 04 - Fractions/08 - Adding and subtracting with unlike denominator word problems - 01 - Adding fractions with unlike denominators_ word problem.webm 5.06MB
  6989. Math/10 - Algebra basics - 01 - Foundations/06 - Fractions - 01 - Adding fractions with unlike denominators_ word problem.webm 5.06MB
  6990. Math/18 - Differential calculus - 02 - Taking derivatives/09 - Implicit differentiation - 07 - Implicit derivative of e^(xy^2) _ x - y.webm 5.05MB
  6991. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 18 - 15 Embedded square dimensions.webm 5.05MB
  6992. Test prep/02 - MCAT - 01 - Biomolecules/05 - Gene control - 02 - DNA and chromatin regulation.webm 5.05MB
  6993. Math/14 - Algebra II - 07 - Imaginary and complex numbers/02 - Complex numbers - 05 - Multiplying complex numbers.webm 5.05MB
  6994. Math/17 - Precalculus - 04 - Imaginary and complex numbers/04 - Multiplying and dividing complex numbers - 01 - Multiplying complex numbers.webm 5.05MB
  6995. Partner content/19 - Big History Project - 01 - 1. What Is Big History_/05 - 1.4—My Big History - 01 - Introduction to Thresholds of Increasing Complexity.webm 5.05MB
  6996. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/02 - Multiplying binomials - 10 - Squaring a binomial example 2.webm 5.04MB
  6997. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/11 - The art of dress - 08 - 'Hipster' with Jan Glier Reeder.webm 5.04MB
  6998. Math/05 - 6th grade (U.S.) - 04 - Properties of numbers/02 - Greatest common factor - 01 - Greatest common factor exercise.webm 5.03MB
  6999. Math/09 - Pre-algebra - 02 - Factors and multiples/06 - Greatest common factor - 01 - Greatest common factor exercise.webm 5.03MB
  7000. Math/11 - Algebra I - 08 - Exponent expressions and equations/04 - Simplifying radical expressions - 04 - Simplifying square roots.webm 5.03MB
  7001. Math/11 - Algebra I - 09 - Functions/05 - Graphing functions - 05 - Graphing exponential functions.webm 5.03MB
  7002. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/01 - Exponential growth and decay - 02 - Graphing exponential functions.webm 5.03MB
  7003. Math/11 - Algebra I - 09 - Functions/05 - Graphing functions - 01 - Ex 1_ Evaluating a function.webm 5.03MB
  7004. Science/06 - Health and medicine - 02 - Human anatomy and physiology/09 - Endocrine system introduction - 03 - Hormone concentration metabolism and negative feedback.webm 5.03MB
  7005. Test prep/02 - MCAT - 03 - Organ systems/06 - Endocrine system - 03 - Hormone concentration metabolism and negative feedback.webm 5.03MB
  7006. Test prep/03 - NCLEX-RN - 07 - Endocrine system/01 - Endocrine system - 03 - Hormone concentration metabolism and negative feedback.webm 5.03MB
  7007. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 01 - Floating exchange resolving trade imbalance.webm 5.02MB
  7008. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 07 - 7 Dramatic monologue.webm 5.02MB
  7009. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 07 - 7 Dramatic monologue.webm 5.02MB
  7010. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 02 - Did dinosaurs travel in herds or packs_.webm 5.02MB
  7011. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/01 - Body and mind - 02 - 'Divinity' with Denise Leidy.webm 5.02MB
  7012. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/02 - Multiplying binomials - 01 - Multiplying binomials word problem.webm 5.01MB
  7013. Science/05 - Cosmology and astronomy - 01 - Scale of the universe/03 - Scale of earth, sun, galaxy and universe - 06 - Hubble image of galaxies.webm 5.00MB
  7014. Math/16 - Probability and statistics - 02 - Probability and combinatorics/01 - Permutations - 03 - Possible three letter words.webm 5.00MB
  7015. Math/17 - Precalculus - 05 - Probability and combinatorics/05 - Permutations - 03 - Possible three letter words.webm 5.00MB
  7016. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/01 - Rational and irrational numbers - 01 - Introduction to rational and irrational numbers.webm 5.00MB
  7017. Math/09 - Pre-algebra - 08 - Arithmetic properties/06 - Rational and irrational numbers - 01 - Introduction to rational and irrational numbers.webm 5.00MB
  7018. Math/11 - Algebra I - 10 - Ratios and proportions/03 - Rational and irrational numbers - 01 - Introduction to rational and irrational numbers.webm 5.00MB
  7019. Math/17 - Precalculus - 06 - Sequences, series and induction/08 - Recursive functions - 01 - Converting an explicit function to a recursive function.webm 5.00MB
  7020. Math/11 - Algebra I - 03 - Linear inequalities/03 - Structure in linear expressions - 01 - Dogs cats and bears in a pet store visual argument.webm 4.99MB
  7021. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 18 - 18 Area of rectangle.webm 4.99MB
  7022. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/02 - Evaluating numerical expressions - 03 - Order of operations_ PEMDAS.webm 4.99MB
  7023. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/01 - Order of operations - 04 - Order of operations_ PEMDAS.webm 4.99MB
  7024. Math/09 - Pre-algebra - 08 - Arithmetic properties/07 - Order of operations - 04 - Order of operations_ PEMDAS.webm 4.99MB
  7025. Math/10 - Algebra basics - 01 - Foundations/05 - Order of operations - 04 - Order of operations_ PEMDAS.webm 4.99MB
  7026. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/01 - Neural cells and neurotransmitters - 05 - Microglia.webm 4.99MB
  7027. Test prep/02 - MCAT - 03 - Organ systems/02 - Neural cells - 05 - Microglia.webm 4.99MB
  7028. Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/03 - Depreciation and amortization - 02 - Depreciating the truck.webm 4.99MB
  7029. Test prep/03 - NCLEX-RN - 07 - Endocrine system/01 - Endocrine system - 07 - From terpenes to steroids part 2_ Squalene, cholesterol, and steroids.webm 4.99MB
  7030. Arts and humanities/10 - Age of global conflict - 06 - Abstract Expressionism and the New York School/02 - New York School - 04 - Ad Reinhardt, Abstract Painting.webm 4.98MB
  7031. Math/19 - Integral calculus - 03 - Integration applications/03 - Arc length - 01 - Non rigorous justification for arc length formula.webm 4.98MB
  7032. Math/11 - Algebra I - 08 - Exponent expressions and equations/05 - Radical equations - 06 - Applying radical equations 1.webm 4.98MB
  7033. Math/05 - 6th grade (U.S.) - 06 - Geometry/04 - Polygons in the coordinate plane - 01 - Parallelogram on the coordinate plane.webm 4.98MB
  7034. Math/12 - Basic geometry - 04 - The coordinate plane/02 - Shapes on the coordinate plane - 01 - Parallelogram on the coordinate plane.webm 4.98MB
  7035. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/03 - Logarithmic functions - 01 - Comparing exponential and logarithmic functions.webm 4.98MB
  7036. Math/10 - Algebra basics - 03 - Linear equations and inequalities/05 - Ratios and proportions - 05 - Ratio problem with basic algebra.webm 4.98MB
  7037. Math/11 - Algebra I - 10 - Ratios and proportions/01 - Ratios and proportions - 01 - Ratio problem with basic algebra.webm 4.98MB
  7038. Math/11 - Algebra I - 05 - Systems of equations and inequalities/09 - Systems with three variables - 04 - Solutions to three variable system 2.webm 4.97MB
  7039. Math/14 - Algebra II - 01 - Systems of equations and inequalities/03 - Systems with three variables - 04 - Solutions to three variable system 2.webm 4.97MB
  7040. Math/15 - Trigonometry - 04 - Trig identities and examples/02 - Pythagorean identity - 03 - Using the Pythagorean trig identity.webm 4.97MB
  7041. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/06 - Intersections - 03 - 'Sealed' with Yelena Rakic.webm 4.97MB
  7042. Math/15 - Trigonometry - 03 - Graphs of trig functions/01 - Graphs of trig functions - 09 - Determining the equation of a trig function.webm 4.97MB
  7043. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/01 - The modern U.S. Supreme Court on privacy and civil liberties - 01 - How the U.S. Supreme Court approaches questions involving privacy and technology.webm 4.97MB
  7044. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/03 - Understanding company statements and capital structure - 01 - Gross and operating profit.webm 4.97MB
  7045. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/01 - Neural cells and neurotransmitters - 01 - Neurotransmitter release.webm 4.97MB
  7046. Test prep/02 - MCAT - 03 - Organ systems/04 - Neuronal synapses - 02 - Neurotransmitter release.webm 4.97MB
  7047. Math/16 - Probability and statistics - 06 - Regression/01 - Scatter plots - 05 - Comparing models to fit data.webm 4.97MB
  7048. Test prep/02 - MCAT - 07 - Behavior/07 - Social psychology - 03 - Social facilitation and social loafing.webm 4.96MB
  7049. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/06 - Somatosensation - 04 - Proprioception and kinesthesia.webm 4.96MB
  7050. Test prep/02 - MCAT - 06 - Processing the environment/04 - Somatosensation - 04 - Proprioception and kinesthesia.webm 4.96MB
  7051. Math/14 - Algebra II - 03 - Polynomial and rational functions/05 - Dividing polynomials - 05 - Dividing polynomials with remainders.webm 4.96MB
  7052. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/07 - Power series function representation using algebra - 02 - Representing function over interval of convergence.webm 4.96MB
  7053. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/11 - The art of dress - 06 - 'French Dressing' with Harold Koda.webm 4.96MB
  7054. Science/03 - Chemistry - 10 - Acid-base equilibria and solubility equilibria/03 - Solubility equilibria - 06 - Solubility and the pH of the solution.webm 4.96MB
  7055. Test prep/02 - MCAT - 05 - Chemical processes/03 - Solubility equilibria - 06 - Solubility and the pH of the solution.webm 4.96MB
  7056. Math/13 - Geometry - 02 - Angles and intersecting lines/03 - Angles with triangles and polygons - 06 - Proof_ Corresponding angle equivalence implies parallel lines.webm 4.95MB
  7057. Science/06 - Health and medicine - 06 - Respiratory system diseases/10 - Lung cancer - 05 - Lung cancer metastasis.webm 4.95MB
  7058. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/07 - Lung cancer - 05 - Lung cancer metastasis.webm 4.95MB
  7059. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/05 - Solving equations and inequalities with substitution - 07 - Testing solutions to inequalities.webm 4.94MB
  7060. Science/07 - Discoveries and projects - 04 - Lego robotics/03 - Coin detector - 03 - Rotation sensor.webm 4.94MB
  7061. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/05 - Tests for convergence and divergence - 08 - Alternating series test.webm 4.93MB
  7062. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/07 - Nature - 07 - 'In the Void' with Betsy Kornhauser.webm 4.92MB
  7063. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/02 - Applying multiplication and division - 03 - Blueberries for friends.webm 4.92MB
  7064. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/03 - Life insurance - 03 - Term life insurance and death probability.webm 4.92MB
  7065. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/02 - Expected value - 01 - Term life insurance and death probability.webm 4.92MB
  7066. Math/11 - Algebra I - 01 - Introduction to algebra/09 - Working with units algebraically - 01 - Treating units algebraically and dimensional analysis.webm 4.92MB
  7067. Math/21 - Differential equations - 01 - First order differential equations/02 - Separable equations - 04 - Old separable differential equations example.webm 4.91MB
  7068. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 18 - Option expiration and price.webm 4.91MB
  7069. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/01 - Measures of central tendency - 03 - Exploring the mean and median.webm 4.91MB
  7070. Math/16 - Probability and statistics - 04 - Descriptive statistics/01 - Measures of central tendency - 03 - Exploring the mean and median.webm 4.91MB
  7071. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/02 - Sequence convergence and divergence - 04 - Proving a sequence converges.webm 4.91MB
  7072. Science/04 - Organic chemistry - 01 - General chemistry review/01 - Dot structures - 02 - Dot structures II_ Multiple bonds.webm 4.91MB
  7073. Test prep/02 - MCAT - 08 - Individuals and society/02 - Perception, prejudice, and bias - 08 - Social perception - The Halo Effect.webm 4.91MB
  7074. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/06 - Interest rate swaps - 02 - Interest rate swap 2.webm 4.91MB
  7075. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/05 - Working with rational numbers - 01 - Expressions with rational numbers.webm 4.91MB
  7076. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/01 - Body and mind - 03 - 'Bundle of Emotions' with Yaëlle Biro.webm 4.91MB
  7077. Math/09 - Pre-algebra - 08 - Arithmetic properties/09 - Arithmetic properties - 12 - Inverse property of addition.mp4 4.91MB
  7078. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/05 - Thinking about solutions to systems - 04 - Independent and dependent systems.webm 4.91MB
  7079. Math/11 - Algebra I - 05 - Systems of equations and inequalities/04 - Thinking about solutions to systems - 04 - Independent and dependent systems.webm 4.91MB
  7080. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 13 - Independent and dependent systems.webm 4.91MB
  7081. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 12 - Constructing a linear function word problem.webm 4.90MB
  7082. Math/11 - Algebra I - 09 - Functions/07 - Analyzing linear functions - 09 - Constructing a linear function word problem.webm 4.90MB
  7083. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/06 - Unit conversion - 05 - Multi-step unit conversion word problem.webm 4.90MB
  7084. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 08 - Multi-step unit conversion word problem.webm 4.90MB
  7085. Science/06 - Health and medicine - 12 - Executive systems of the brain/02 - Attention and language - 03 - Theories of language and cognition.webm 4.90MB
  7086. Test prep/02 - MCAT - 06 - Processing the environment/10 - Language - 01 - Theories of language and cognition.webm 4.90MB
  7087. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/01 - Adding and subtracting fractions - 01 - Adding fractions with different signs.webm 4.90MB
  7088. Math/08 - Arithmetic - 05 - Fractions/07 - Adding and subtracting fractions with unlike denominators - 06 - Adding fractions with different signs.webm 4.90MB
  7089. Math/09 - Pre-algebra - 04 - Fractions/06 - Adding and subtracting fractions with unlike denominators - 06 - Adding fractions with different signs.webm 4.90MB
  7090. Math/10 - Algebra basics - 01 - Foundations/06 - Fractions - 02 - Adding fractions with different signs.webm 4.90MB
  7091. Math/18 - Differential calculus - 03 - Derivative applications/01 - Equations of normal and tangent lines - 01 - y-intercept of tangent line example.webm 4.90MB
  7092. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/03 - Binomial distribution - 06 - Graphing basketball binomial distribution.webm 4.90MB
  7093. Arts and humanities/05 - Ancient art and civilizations - 02 - Egyptian art and culture/04 - Ptolemaic - 02 - Ancient Egyptian coffin prepared for the Book of the Dead exhibition at the British Museum.webm 4.89MB
  7094. Partner content/03 - The British Museum - 01 - Africa/02 - Ancient Egypt - 01 - Ancient Egyptian coffin prepared for the Book of the Dead exhibition at the British Museum.webm 4.89MB
  7095. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/03 - Solving systems with substitution - 03 - Example 3_ Solving systems by substitution.webm 4.89MB
  7096. Math/11 - Algebra I - 05 - Systems of equations and inequalities/05 - Solving systems with substitution - 03 - Example 3_ Solving systems by substitution.webm 4.89MB
  7097. Partner content/15 - LeBron asks - 01 - LeBron asks/01 - LeBron asks - 04 - LeBron Asks_ Why does sweating cool you down_.webm 4.89MB
  7098. Science/06 - Health and medicine - 02 - Human anatomy and physiology/10 - Integumentary system introduction - 06 - LeBron Asks_ Why does sweating cool you down_.webm 4.89MB
  7099. Test prep/02 - MCAT - 03 - Organ systems/17 - Integumentary system - 06 - LeBron Asks_ Why does sweating cool you down_.webm 4.89MB
  7100. Math/18 - Differential calculus - 01 - Limits/02 - Estimating limits from graphs - 02 - Limit at a point of discontinuity.webm 4.89MB
  7101. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/06 - Factoring by grouping - 03 - Example 1_ Factoring by grouping.webm 4.89MB
  7102. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/03 - Exponent properties - 03 - Products and exponents raised to an exponent properties.webm 4.88MB
  7103. Math/10 - Algebra basics - 06 - Expressions and equations with exponents/02 - Exponent properties - 03 - Products and exponents raised to an exponent properties.webm 4.88MB
  7104. Math/11 - Algebra I - 08 - Exponent expressions and equations/01 - Properties of exponents - 04 - Products and exponents raised to an exponent properties.webm 4.88MB
  7105. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 01 - Macrosociology vs microsociology.webm 4.88MB
  7106. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/09 - Point-slope form and standard form - 01 - Idea behind point slope form.webm 4.88MB
  7107. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 12 - Distance between a point and a line.webm 4.88MB
  7108. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 03 - Algebra_ Linear equations 2.webm 4.88MB
  7109. Math/10 - Algebra basics - 06 - Expressions and equations with exponents/01 - Negative exponents - 02 - Thinking more about negative exponents.webm 4.87MB
  7110. Math/11 - Algebra I - 08 - Exponent expressions and equations/01 - Properties of exponents - 02 - Thinking more about negative exponents.webm 4.87MB
  7111. Science/06 - Health and medicine - 09 - Advanced endocrine system physiology/01 - Biological basis of behavior_ Endocrine system - 02 - From terpenes to steroids part 2_ Squalene, cholesterol, and steroids.webm 4.87MB
  7112. Test prep/02 - MCAT - 03 - Organ systems/06 - Endocrine system - 07 - From terpenes to steroids part 2_ Squalene, cholesterol, and steroids.webm 4.87MB
  7113. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/03 - Components of GDP - 03 - Components of GDP.webm 4.87MB
  7114. Science/06 - Health and medicine - 02 - Human anatomy and physiology/10 - Integumentary system introduction - 01 - Meet the skin_ (Overview).webm 4.87MB
  7115. Test prep/02 - MCAT - 03 - Organ systems/17 - Integumentary system - 01 - Meet the skin_ (Overview).webm 4.87MB
  7116. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 13 - Organizations and bureaucratization.webm 4.87MB
  7117. Partner content/18 - NASA - 03 - Exploring the Universe/04 - Curiosity rover_ discoveries - 16 - A softer trek to mount sharp.webm 4.87MB
  7118. Math/10 - Algebra basics - 07 - Quadratics and polynomials/05 - Solving quadratics by factoring - 02 - Solving a quadratic equation by factoring.webm 4.86MB
  7119. Math/11 - Algebra I - 07 - Quadratic equations/02 - Solving quadratics by factoring - 02 - Solving a quadratic equation by factoring.webm 4.86MB
  7120. Math/14 - Algebra II - 03 - Polynomial and rational functions/01 - Factoring quadratics - 03 - Solving a quadratic equation by factoring.webm 4.86MB
  7121. Science/04 - Organic chemistry - 11 - Carboxylic acids and derivatives/01 - Naming carboxylic acids - 02 - Carboxylic acid naming.webm 4.86MB
  7122. Math/18 - Differential calculus - 02 - Taking derivatives/03 - Introduction to derivatives - 08 - Formal and alternate form of the derivative for ln x.webm 4.86MB
  7123. Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/01 - Cash versus accrual accounting - 01 - Cash accounting.webm 4.86MB
  7124. Math/15 - Trigonometry - 04 - Trig identities and examples/02 - Pythagorean identity - 02 - Pythagorean trig identity from unit circle.webm 4.86MB
  7125. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/01 - Naming alkenes - 03 - Entgegen-Zusammen naming scheme for alkenes examples.webm 4.86MB
  7126. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 04 - Sum of logarithms with same base.webm 4.86MB
  7127. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/03 - Devotion - 02 - 'Pensive' with Soyoung Lee.webm 4.85MB
  7128. Math/14 - Algebra II - 06 - Logarithms/01 - Logarithm basics - 04 - Deducing with logarithmic and exponential form.webm 4.85MB
  7129. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/02 - Neuron membrane potentials - 08 - Action potential patterns.webm 4.85MB
  7130. Test prep/02 - MCAT - 03 - Organ systems/03 - Neuron membrane potentials - 08 - Action potential patterns.webm 4.85MB
  7131. Arts and humanities/09 - Becoming modern - 02 - Romanticism/02 - France - 03 - Ingres, Princesse de Broglie.webm 4.84MB
  7132. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 15 - Lower bound on forward settlement price.webm 4.84MB
  7133. Math/06 - 7th grade (U.S.) - 05 - Geometry/02 - Scale drawings - 02 - Solve a scale drawing word problem.webm 4.84MB
  7134. Math/12 - Basic geometry - 05 - Area and perimeter/03 - Scale drawings - 02 - Solve a scale drawing word problem.webm 4.84MB
  7135. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/04 - Metric system unit conversion - 06 - U.S. customary and metric units.webm 4.84MB
  7136. Science/06 - Health and medicine - 12 - Executive systems of the brain/02 - Attention and language - 02 - Theories of selective attention.webm 4.84MB
  7137. Test prep/02 - MCAT - 06 - Processing the environment/06 - Attention and language - 02 - Theories of selective attention.webm 4.84MB
  7138. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/01 - Blood pressure - 02 - Learn how a stethoscope can help determine blood pressure.webm 4.83MB
  7139. Partner content/12 - Stanford School of Medicine - 04 - Asthma/01 - Asthma - 02 - Asthma.webm 4.83MB
  7140. Math/16 - Probability and statistics - 01 - Independent and dependent events/05 - Basic set operations - 02 - Relative complement or difference between sets.webm 4.83MB
  7141. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/05 - Foreign exchange and trade - 09 - Carry trade basics.webm 4.83MB
  7142. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 09 - Example_ Lottery probability.webm 4.82MB
  7143. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 09 - Example_ Lottery probability.webm 4.82MB
  7144. Math/01 - Early math - 03 - Addition and subtraction/06 - Subtraction within 100 - 04 - Visual understanding of regrouping.webm 4.82MB
  7145. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 08 - 2011 Calculus AB free response #4c.webm 4.81MB
  7146. Math/18 - Differential calculus - 02 - Taking derivatives/07 - Chain rule - 06 - Chain rule example using visual function definitions.webm 4.81MB
  7147. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/02 - Applying multiplication and division - 05 - Unknowns with multiplication and division.webm 4.81MB
  7148. Math/17 - Precalculus - 01 - Vectors/01 - Vector basics - 03 - Multiplying a vector by a scalar.webm 4.80MB
  7149. Math/22 - Linear algebra - 01 - Vectors and spaces/01 - Vectors - 04 - Multiplying a vector by a scalar.webm 4.80MB
  7150. Math/11 - Algebra I - 08 - Exponent expressions and equations/04 - Simplifying radical expressions - 10 - Simplifying cube roots.webm 4.80MB
  7151. Math/18 - Differential calculus - 03 - Derivative applications/08 - Related rates - 04 - Falling ladder related rates.webm 4.80MB
  7152. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 03 - Practice determining oxidation states.webm 4.79MB
  7153. Test prep/02 - MCAT - 08 - Individuals and society/05 - Biological explanations of social behavior in animals - 03 - Evolutionary game theory.webm 4.79MB
  7154. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 07 - The yield curve.webm 4.79MB
  7155. Math/15 - Trigonometry - 04 - Trig identities and examples/05 - Law of cosines and law of sines - 05 - Law of sines for missing angle.webm 4.79MB
  7156. Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 04 - Alternative minimum tax.webm 4.79MB
  7157. Math/10 - Algebra basics - 02 - Algebraic expressions/03 - Algebraic expressions with fractions - 02 - Algebraic expressions with fraction division.webm 4.78MB
  7158. Math/11 - Algebra I - 01 - Introduction to algebra/05 - Algebraic expressions with fractions - 02 - Algebraic expressions with fraction division.webm 4.78MB
  7159. Science/04 - Organic chemistry - 14 - Spectroscopy/02 - UV_Vis Spectroscopy - 02 - Absorption in the visible region.webm 4.78MB
  7160. Test prep/02 - MCAT - 04 - Physical processes/20 - Infrared and Ultraviolet_Visible spectroscopy - 11 - Absorption in the visible region.webm 4.78MB
  7161. Math/01 - Early math - 03 - Addition and subtraction/05 - Addition within 100 - 04 - Addition with regrouping.webm 4.78MB
  7162. Test prep/02 - MCAT - 05 - Chemical processes/09 - Proteins - 02 - Alpha amino acid synthesis.webm 4.78MB
  7163. Science/07 - Discoveries and projects - 08 - Discovery Lab 2013/01 - Discovery Lab 2013 - 02 - DLab_ Monty Hall simulation.webm 4.78MB
  7164. Math/02 - 3rd grade (U.S.) - 04 - Measurement and geometry/02 - Perimeter - 03 - Comparing areas and perimeters of rectangles.webm 4.77MB
  7165. Math/09 - Pre-algebra - 09 - Measurement/02 - Perimeter - 03 - Comparing areas and perimeters of rectangles.webm 4.77MB
  7166. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 10 - Discrimination individual vs institutional.webm 4.77MB
  7167. Test prep/02 - MCAT - 08 - Individuals and society/06 - Discrimination - 01 - Discrimination individual vs institutional.webm 4.77MB
  7168. Math/14 - Algebra II - 02 - Functions and their graphs/07 - Piecewise functions - 04 - Matching expressions to define intervals of functions example.webm 4.77MB
  7169. Economics and finance/02 - Macroeconomics - 05 - Income and expenditure_ Keynesian cross and IS-LM model/04 - IS-LM model - 01 - Investment and real interest rates.webm 4.77MB
  7170. Math/02 - 3rd grade (U.S.) - 04 - Measurement and geometry/01 - Area - 03 - Rectangle area as product of dimensions same as counting unit squares.webm 4.77MB
  7171. Math/09 - Pre-algebra - 09 - Measurement/01 - Area basics - 03 - Rectangle area as product of dimensions same as counting unit squares.webm 4.77MB
  7172. Arts and humanities/10 - Age of global conflict - 08 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 08 - Richard Serra, 'Band,' 2006.webm 4.77MB
  7173. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 09 - Richard Serra, 'Band,' 2006.webm 4.77MB
  7174. Math/10 - Algebra basics - 04 - Graphing lines and slope/07 - Graphing linear inequalities - 04 - Graphing inequalities 2.webm 4.77MB
  7175. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/11 - Graphing linear inequalities - 04 - Graphing inequalities 2.webm 4.77MB
  7176. Math/14 - Algebra II - 01 - Systems of equations and inequalities/04 - Non-linear systems of equations - 03 - Estimating a solution to nonlinear system with calculator part 2.webm 4.77MB
  7177. Economics and finance/01 - Microeconomics - 03 - Consumer and producer surplus/01 - Consumer and producer surplus - 02 - Consumer surplus introduction.webm 4.77MB
  7178. Math/21 - Differential equations - 01 - First order differential equations/03 - Modeling with differential equations - 02 - Particular solution given initial conditions for population.webm 4.77MB
  7179. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/07 - Nature - 08 - 'Eternity' with Maxwell K. Hearn.webm 4.76MB
  7180. Science/06 - Health and medicine - 04 - Circulatory system diseases/10 - Cyanotic heart diseases - 03 - Einsenmenger coarctation of aorta.webm 4.76MB
  7181. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/04 - Cyanotic heart diseases - 03 - Einsenmenger coarctation of aorta.webm 4.76MB
  7182. Math/18 - Differential calculus - 03 - Derivative applications/06 - Optimization with calculus - 07 - Minimizing combined area.webm 4.75MB
  7183. Math/07 - 8th grade (U.S.) - 02 - Solving equations/03 - Solutions to linear equations - 01 - Number of solutions to linear equations.webm 4.75MB
  7184. Math/11 - Algebra I - 02 - Linear equations/06 - Solutions to linear equations - 02 - Number of solutions to linear equations.webm 4.75MB
  7185. Math/01 - Early math - 01 - Counting/01 - Counting - 01 - Creating a number grid.webm 4.75MB
  7186. Math/18 - Differential calculus - 02 - Taking derivatives/03 - Introduction to derivatives - 09 - Formal and alternate form of the derivative example 1.webm 4.75MB
  7187. Math/01 - Early math - 03 - Addition and subtraction/03 - Addition and subtraction within 20 - 05 - Equal sign.webm 4.75MB
  7188. Science/02 - Physics - 09 - Fluids/01 - Fluids - 11 - Fluids (part 11).webm 4.75MB
  7189. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 05 - Fluids (part 11).webm 4.75MB
  7190. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 02 - Ordered pair solutions of equations 2.webm 4.75MB
  7191. Math/10 - Algebra basics - 04 - Graphing lines and slope/02 - Solutions and graphs of two-variable equations - 02 - Ordered pair solutions of equations 2.webm 4.75MB
  7192. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/02 - Graphing solutions to equations - 02 - Ordered pair solutions of equations 2.webm 4.75MB
  7193. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/01 - Exponential growth and decay - 05 - Constructing linear and exponential functions from data.webm 4.75MB
  7194. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/06 - Probability and compound events - 03 - Die rolling probability.webm 4.74MB
  7195. Math/16 - Probability and statistics - 01 - Independent and dependent events/03 - Compound, independent events - 03 - Die rolling probability.webm 4.74MB
  7196. Math/17 - Precalculus - 05 - Probability and combinatorics/03 - Compound, independent events - 05 - Die rolling probability.webm 4.74MB
  7197. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/04 - Thinking about the number line - 01 - Compare statements using absolute value and distance on number line.webm 4.74MB
  7198. Math/18 - Differential calculus - 02 - Taking derivatives/06 - Power rule - 05 - Proof_ d_dx(sqrt(x)).webm 4.73MB
  7199. Math/19 - Integral calculus - 03 - Integration applications/06 - Solids of revolution - shell method - 01 - Shell method for rotating around vertical line.webm 4.73MB
  7200. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/04 - Dinosaur fossils - 01 - What Is a fossil_.webm 4.73MB
  7201. Math/01 - Early math - 03 - Addition and subtraction/07 - Addition and subtraction word problems within 100 - 01 - Adding and subtracting on number line word problems.webm 4.73MB
  7202. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/03 - Series - 06 - Finding the sum of n squares part 1.webm 4.72MB
  7203. Partner content/09 - Asian Art Museum - 03 - Southeast Asia/01 - Southeast Asia - 02 - The Hindu deities Shiva and Parvati.webm 4.72MB
  7204. Computing/01 - Computer programming - 04 - HTML_CSS_ Making webpages/05 - CSS Layout - 01 - CSS in the wild_ Google Maps.webm 4.72MB
  7205. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 07 - Contango from trader perspective.webm 4.72MB
  7206. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/03 - Slope of a line - 05 - Slope of a line 3.webm 4.72MB
  7207. Math/10 - Algebra basics - 04 - Graphing lines and slope/04 - Slope of a line - 05 - Slope of a line 3.webm 4.72MB
  7208. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/06 - Slope - 05 - Slope of a line 3.webm 4.72MB
  7209. Math/06 - 7th grade (U.S.) - 05 - Geometry/04 - Area, volume, and surface area - 02 - Find the volume of a triangular prism and cube.webm 4.71MB
  7210. Math/07 - 8th grade (U.S.) - 05 - Geometry/07 - Volume - 02 - Find the volume of a triangular prism and cube.webm 4.71MB
  7211. Math/12 - Basic geometry - 06 - Volume and surface area/01 - Volume of prisms - 04 - Find the volume of a triangular prism and cube.webm 4.71MB
  7212. Math/13 - Geometry - 06 - Perimeter, area, and volume/07 - Volume and surface area - 03 - Find the volume of a triangular prism and cube.webm 4.71MB
  7213. Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 01 - What is cryptography_.webm 4.71MB
  7214. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 07 - Art Terms in Action_ Tint, Shade, and Tone.webm 4.71MB
  7215. Partner content/04 - The Museum of Modern Art - 05 - Art terms in action/01 - Art terms in action - 03 - Art Terms in Action_ Tint, Shade, and Tone.webm 4.71MB
  7216. Math/13 - Geometry - 06 - Perimeter, area, and volume/01 - Perimeter and area of triangles - 06 - Area of shaded region made from equilateral triangles.webm 4.71MB
  7217. Arts and humanities/10 - Age of global conflict - 07 - Pop/01 - Pop - 02 - Warhol, Gold Marilyn Monroe.webm 4.71MB
  7218. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/03 - Constructing proportions - 04 - Constructing equations from proportions to solve problems.webm 4.71MB
  7219. Math/10 - Algebra basics - 03 - Linear equations and inequalities/05 - Ratios and proportions - 04 - Constructing equations from proportions to solve problems.webm 4.71MB
  7220. Math/11 - Algebra I - 10 - Ratios and proportions/01 - Ratios and proportions - 06 - Constructing equations from proportions to solve problems.webm 4.71MB
  7221. Math/18 - Differential calculus - 02 - Taking derivatives/08 - Product and quotient rules - 06 - Using the product rule and the chain rule.webm 4.71MB
  7222. Math/18 - Differential calculus - 02 - Taking derivatives/10 - Derivatives of inverse functions - 03 - Derivative of inverse tangent.webm 4.71MB
  7223. Test prep/02 - MCAT - 07 - Behavior/11 - Theories of attitude and behavior change - 04 - Persuasion, attitude change, and the elaboration likelihood model.webm 4.71MB
  7224. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/10 - Inequalities - 01 - Inequalities_ plotting on a number line.webm 4.70MB
  7225. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/03 - Inequalties _ Greater than and less than basics - 02 - Inequalities_ plotting on a number line.webm 4.70MB
  7226. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/02 - Graphing solutions to equations - 04 - Plotting (x,y) relationships.webm 4.70MB
  7227. Math/03 - 4th grade (U.S.) - 03 - Fractions/06 - Decomposing fractions - 02 - Decomposing a mixed number.webm 4.70MB
  7228. Math/08 - Arithmetic - 05 - Fractions/05 - Decomposing fractions - 02 - Decomposing a mixed number.webm 4.70MB
  7229. Math/09 - Pre-algebra - 04 - Fractions/05 - Decomposing fractions - 02 - Decomposing a mixed number.webm 4.70MB
  7230. Arts and humanities/05 - Ancient art and civilizations - 02 - Egyptian art and culture/02 - Predynastic and Old Kingdom - 01 - Old Kingdom_ Seated Scribe.webm 4.70MB
  7231. Test prep/07 - AP* Art History - 04 - Ancient Mediterranean_ 3500 B.C.E.-300 C.E./02 - Ancient Egypt - 01 - Old Kingdom_ Seated Scribe.webm 4.70MB
  7232. Test prep/02 - MCAT - 07 - Behavior/06 - Motivation and attitudes - 02 - Instincts, Arousal, Needs, Drives_ Drive-Reduction and Cognitive Theories.webm 4.69MB
  7233. Math/14 - Algebra II - 09 - Matrices/01 - Basic matrix operations - 04 - Matrix addition and subtraction.webm 4.69MB
  7234. Math/17 - Precalculus - 02 - Matrices/01 - Basic matrix operations - 04 - Matrix addition and subtraction.webm 4.69MB
  7235. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 10 - Floating exchange effect on US.webm 4.69MB
  7236. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/05 - Solving equations and inequalities with substitution - 03 - Substituting variables and judging inequalities.webm 4.69MB
  7237. Math/11 - Algebra I - 01 - Introduction to algebra/08 - Getting a feel for equations and inequalities - 02 - Substituting variables and judging inequalities.webm 4.69MB
  7238. Math/08 - Arithmetic - 01 - Addition and subtraction/04 - Subtracting within 1000 - 09 - Alternate mental subtraction method.webm 4.69MB
  7239. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/07 - Mergers and acquisitions - 01 - Acquisitions with shares.webm 4.68MB
  7240. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/07 - Factoring quadratics in two variables - 01 - Factoring quadratics with two variables.webm 4.68MB
  7241. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/02 - Galvanic cells - 03 - Electrodes and voltage of Galvanic cell.webm 4.68MB
  7242. Test prep/02 - MCAT - 04 - Physical processes/17 - Electrochemistry - 03 - Electrodes and voltage of Galvanic cell.webm 4.68MB
  7243. Science/03 - Chemistry - 13 - Kinetics/03 - Arrhenius equation and reaction mechanisms - 05 - Elementary rate laws.webm 4.68MB
  7244. Test prep/02 - MCAT - 05 - Chemical processes/17 - Kinetics - 17 - Elementary rate laws.webm 4.68MB
  7245. Math/13 - Geometry - 05 - Right triangles and trigonometry/05 - Trig ratios and similarity - 04 - Example with trig functions and ratios.webm 4.68MB
  7246. Math/15 - Trigonometry - 01 - Basic trigonometry/02 - Trigonometric ratios and similarity - 04 - Example with trig functions and ratios.webm 4.68MB
  7247. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/03 - Understanding company statements and capital structure - 03 - Market capitalization.webm 4.67MB
  7248. Science/06 - Health and medicine - 04 - Circulatory system diseases/10 - Cyanotic heart diseases - 07 - Tricuspid atresia.webm 4.67MB
  7249. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/04 - Cyanotic heart diseases - 07 - Tricuspid atresia.webm 4.67MB
  7250. Math/01 - Early math - 02 - Place value and patterns/01 - Tens - 01 - Introduction to place value.webm 4.66MB
  7251. Math/18 - Differential calculus - 01 - Limits/03 - Finding limits algebraically - 01 - Limit example 1.webm 4.66MB
  7252. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/04 - Other fronts of World War I - 03 - Italy backs out of Triple Alliance.webm 4.66MB
  7253. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 01 - Capital by Thomas Piketty.webm 4.66MB
  7254. Test prep/02 - MCAT - 09 - Society and culture/02 - Demographics - 03 - Demographic structure of society - immigration.webm 4.66MB
  7255. Math/14 - Algebra II - 09 - Matrices/02 - Matrix multiplication - 01 - Matrix multiplication introduction.webm 4.66MB
  7256. Math/17 - Precalculus - 02 - Matrices/02 - Matrix multiplication - 01 - Matrix multiplication introduction.webm 4.66MB
  7257. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 17 - Arbitraging futures contracts II.webm 4.66MB
  7258. Math/15 - Trigonometry - 03 - Graphs of trig functions/01 - Graphs of trig functions - 01 - Midline, amplitude and period of a function.webm 4.66MB
  7259. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/13 - War and conquest - 03 - 'Reading Matisse' with Rebecca Rabinow.webm 4.66MB
  7260. Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 03 - Polyalphabetic cipher.webm 4.66MB
  7261. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/05 - Working with rational numbers - 05 - Rational number word problem with proportions.webm 4.65MB
  7262. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/04 - Cross topic arithmetic - 03 - Rational number word problem with proportions.webm 4.65MB
  7263. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 07 - What color were extinct dinosaurs_.webm 4.65MB
  7264. Math/03 - 4th grade (U.S.) - 06 - Factors, multiples and patterns/03 - Math patterns - 01 - Using factors and multiples to figure out days of the week.webm 4.65MB
  7265. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/05 - Number patterns - 01 - Using factors and multiples to figure out days of the week.webm 4.65MB
  7266. Math/18 - Differential calculus - 03 - Derivative applications/03 - Critical points and graphing with calculus - 02 - Finding critical numbers.webm 4.65MB
  7267. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/03 - Basic probability - 03 - Judging probabilities.webm 4.65MB
  7268. Test prep/07 - AP* Art History - 10 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E./01 - South, East, and Southeast Asia_ 300 B.C.E.-1980 C.E. - 03 - Terra cotta warriors from the Mausoleum of the First Qin Emperor (UNESCO_TBS).webm 4.64MB
  7269. Math/14 - Algebra II - 01 - Systems of equations and inequalities/04 - Non-linear systems of equations - 04 - Non-linear systems of equations 1.webm 4.64MB
  7270. Math/13 - Geometry - 10 - Transformations/04 - Transformations on the coordinate plane - 05 - Determining the line of reflection.webm 4.63MB
  7271. Math/08 - Arithmetic - 05 - Fractions/12 - Mixed number addition and subtraction - 06 - Subtracting mixed numbers word problem.webm 4.63MB
  7272. Math/09 - Pre-algebra - 04 - Fractions/12 - Mixed number addition and subtraction - 06 - Subtracting mixed numbers word problem.webm 4.63MB
  7273. Math/07 - 8th grade (U.S.) - 06 - Data and modeling/04 - Two-way tables - 02 - Two-way relative frequency tables.webm 4.63MB
  7274. Science/07 - Discoveries and projects - 05 - Projectile launcher/01 - Projectile launcher - 01 - Ping pong ball launcher introduction.webm 4.63MB
  7275. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/04 - Solving systems with elimination - 05 - Addition elimination method 3.webm 4.63MB
  7276. Math/11 - Algebra I - 05 - Systems of equations and inequalities/06 - Solving systems with elimination (addition-elimination) - 05 - Addition elimination method 3.webm 4.63MB
  7277. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 11 - How intelligent were dinosaurs_.webm 4.63MB
  7278. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 15 - 15 Possible values for expression.webm 4.62MB
  7279. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 08 - What were the biggest and smallest dinosaurs_.webm 4.62MB
  7280. Test prep/02 - MCAT - 07 - Behavior/10 - Learning - 01 - Classical conditioning_ Neutral, conditioned, and unconditioned stimuli and responses.webm 4.62MB
  7281. Test prep/02 - MCAT - 10 - Social inequality/01 - Social inequality - 02 - Neighborhood safety and crime.webm 4.62MB
  7282. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/01 - Body and mind - 04 - 'Face' with Joanne Pillsbury.webm 4.62MB
  7283. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 06 - What was dinosaur skin like_.webm 4.62MB
  7284. Math/13 - Geometry - 11 - Analytic geometry/01 - Geometry problems on the coordinate plane - 02 - Classifying a quadrilateral on the coordinate plane.webm 4.62MB
  7285. Math/20 - Multivariable calculus - 03 - Line integrals and Green's theorem/02 - Position vector functions and derivatives - 03 - Differential of a vector valued function.webm 4.62MB
  7286. Math/08 - Arithmetic - 05 - Fractions/03 - Equivalent fractions and simplified form - 02 - Equivalent fractions.webm 4.62MB
  7287. Math/09 - Pre-algebra - 04 - Fractions/03 - Equivalent fractions and simplified form - 02 - Equivalent fractions.webm 4.62MB
  7288. Math/03 - 4th grade (U.S.) - 05 - Geometry/05 - Classifying geometric shapes - 05 - Triangles_ categorization by angle or equal sides..webm 4.62MB
  7289. Math/12 - Basic geometry - 03 - Shapes/01 - Classifying shapes - 05 - Triangles_ categorization by angle or equal sides..webm 4.62MB
  7290. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 12 - Multiplying and simplifying rational expressions.webm 4.62MB
  7291. Math/14 - Algebra II - 04 - Rational expressions/06 - Multiplying and dividing rational expressions - 01 - Multiplying and simplifying rational expressions.webm 4.62MB
  7292. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/06 - Unit conversion - 03 - Converting yards into inches.webm 4.62MB
  7293. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 03 - Converting yards into inches.webm 4.62MB
  7294. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/08 - Polynomial basics - 03 - Polynomials 1.webm 4.62MB
  7295. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/05 - Exponents with negative bases - 02 - Powers of 1 and 0.webm 4.61MB
  7296. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/02 - Positive and negative exponents - 03 - Powers of 1 and 0.webm 4.61MB
  7297. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/01 - The world of exponents - 06 - Powers of 1 and 0.webm 4.61MB
  7298. Math/10 - Algebra basics - 01 - Foundations/03 - The world of exponents - 05 - Powers of 1 and 0.webm 4.61MB
  7299. Math/13 - Geometry - 11 - Analytic geometry/02 - Distances between points - 03 - Ratios of distances between colinear points.webm 4.61MB
  7300. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/01 - United States - 09 - Lee Quinones on graffiti.webm 4.61MB
  7301. Partner content/04 - The Museum of Modern Art - 06 - Artist interviews/01 - Artist interviews - 05 - Lee Quinones on graffiti.webm 4.61MB
  7302. Math/19 - Integral calculus - 01 - Integrals/01 - Indefinite integral as anti-derivative - 02 - Indefinite integrals of x raised to a power.webm 4.61MB
  7303. Math/14 - Algebra II - 07 - Imaginary and complex numbers/01 - The imaginary unit i - 01 - Introduction to i and imaginary numbers.webm 4.61MB
  7304. Math/17 - Precalculus - 04 - Imaginary and complex numbers/01 - The imaginary unit i - 01 - Introduction to i and imaginary numbers.webm 4.61MB
  7305. Test prep/02 - MCAT - 01 - Biomolecules/01 - Amino acids and proteins - 01 - Central Dogma of Molecular Biology.webm 4.61MB
  7306. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/04 - Hedge funds - 01 - Hedge funds intro.webm 4.61MB
  7307. Test prep/02 - MCAT - 04 - Physical processes/14 - Current and resistance - 06 - Electrolytic conductivity.webm 4.61MB
  7308. Math/19 - Integral calculus - 01 - Integrals/01 - Indefinite integral as anti-derivative - 07 - Graphs of indefinite integrals.webm 4.61MB
  7309. Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/02 - Currency reserves - 02 - Using reserves to stabilize currency.webm 4.60MB
  7310. Math/14 - Algebra II - 03 - Polynomial and rational functions/16 - Fundamental Theorem of Algebra - 01 - Fundamental theorem of algebra.webm 4.60MB
  7311. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/02 - Books, music, and literature - 05 - 'The Choice' with Walter Liedtke.webm 4.60MB
  7312. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/02 - The demand curve - 03 - Change in expected future prices and demand.webm 4.60MB
  7313. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/05 - Orders of magnitude - 02 - Orders of magnitude exercise example 2.webm 4.60MB
  7314. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/07 - Orders of magnitude - 03 - Orders of magnitude exercise example 2.webm 4.60MB
  7315. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 07 - Finding the 100th term in a sequence.webm 4.59MB
  7316. Math/17 - Precalculus - 06 - Sequences, series and induction/02 - Basic sequences and series - 03 - Finding the 100th term in a sequence.webm 4.59MB
  7317. Math/11 - Algebra I - 07 - Quadratic equations/04 - The quadratic formula (quadratic equation) - 08 - Example 5_ Using the quadratic formula.webm 4.59MB
  7318. Test prep/02 - MCAT - 08 - Individuals and society/02 - Perception, prejudice, and bias - 01 - Attribution Theory - Basic covariation.webm 4.59MB
  7319. Math/14 - Algebra II - 04 - Rational expressions/02 - Adding and subtracting rational expressions - 06 - Rationalizing denominators of expressions.webm 4.59MB
  7320. Math/08 - Arithmetic - 05 - Fractions/03 - Equivalent fractions and simplified form - 04 - Finding common denominators.webm 4.59MB
  7321. Math/09 - Pre-algebra - 04 - Fractions/03 - Equivalent fractions and simplified form - 04 - Finding common denominators.webm 4.59MB
  7322. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 08 - Disproportionation.webm 4.59MB
  7323. Test prep/02 - MCAT - 04 - Physical processes/30 - Redox reactions - 02 - Disproportionation.webm 4.59MB
  7324. Math/11 - Algebra I - 07 - Quadratic equations/06 - Graphing quadratics - 04 - Finding the vertex of a parabola example.webm 4.59MB
  7325. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 08 - Interpreting linear graphs.webm 4.59MB
  7326. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/02 - Graphing solutions to equations - 07 - Interpreting linear graphs.webm 4.59MB
  7327. Math/11 - Algebra I - 03 - Linear inequalities/03 - Structure in linear expressions - 03 - Reasoning through inequality expressions.webm 4.59MB
  7328. Math/19 - Integral calculus - 01 - Integrals/04 - Properties of the definite integral - 01 - Integrating scaled version of function.webm 4.59MB
  7329. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/02 - Italy - 05 - Bernini, Bust of Medusa.webm 4.58MB
  7330. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/06 - Aftermath of World War I - 01 - Deaths in World War I.webm 4.58MB
  7331. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/03 - Components of GDP - 02 - Income and expenditure views of GDP.webm 4.58MB
  7332. Math/18 - Differential calculus - 03 - Derivative applications/10 - L'Hôpital's rule - 07 - Proof of special case of l'Hôpital's rule.webm 4.58MB
  7333. Arts and humanities/01 - History - 02 - 1700-1900_ Enlightenment and Revolution/06 - Life of Benjamin Franklin - 04 - Benjamin Franklin the civic leader.webm 4.58MB
  7334. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/02 - Benjamin Franklin - 04 - Benjamin Franklin the civic leader.webm 4.58MB
  7335. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 07 - 17 Number of rectangular solids to make cubic meter.webm 4.58MB
  7336. Math/19 - Integral calculus - 01 - Integrals/07 - Evaluating definite integrals - 04 - Evaluating simple definite integral.webm 4.58MB
  7337. Science/06 - Health and medicine - 04 - Circulatory system diseases/12 - Vasculitis - 08 - Buerger disease.webm 4.58MB
  7338. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/05 - Vasculitis - 08 - Buerger disease.webm 4.58MB
  7339. Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/02 - Three core financial statements - 01 - Balance sheet and income statement relationship.webm 4.58MB
  7340. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/01 - Sn1 vs Sn2 - 06 - Sn2 stereochemistry.webm 4.57MB
  7341. Math/11 - Algebra I - 08 - Exponent expressions and equations/03 - Fractional exponents - 06 - Fractional exponents with numerators other than 1.webm 4.57MB
  7342. Math/21 - Differential equations - 01 - First order differential equations/05 - Euler's Method - 03 - Example Euler's method exercise.webm 4.57MB
  7343. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/02 - Multiplying binomials - 05 - FOIL method for multiplying binomials example 2.webm 4.56MB
  7344. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/01 - Decimals and place value_ conceptualizing - 05 - Decimals_ comparing place values.webm 4.56MB
  7345. Math/08 - Arithmetic - 04 - Decimals/01 - Conceptualizing decimals and place notation - 06 - Decimals_ comparing place values.webm 4.56MB
  7346. Math/09 - Pre-algebra - 03 - Decimals/01 - Conceptualizing decimals and place notation - 06 - Decimals_ comparing place values.webm 4.56MB
  7347. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/03 - Sensory perception - 07 - Bottom-up vs. top-down processing.webm 4.56MB
  7348. Test prep/02 - MCAT - 06 - Processing the environment/01 - Sensory perception - 09 - Bottom-up vs. top-down processing.webm 4.56MB
  7349. Math/19 - Integral calculus - 02 - Integration techniques/02 - u-substitution - 03 - u-substitution example 3.webm 4.55MB
  7350. Economics and finance/01 - Microeconomics - 06 - Forms of competition/02 - Monopoly - 05 - Optional calculus proof to show that MR has twice slope of demand.webm 4.55MB
  7351. Math/05 - 6th grade (U.S.) - 06 - Geometry/02 - Finding area - 06 - Finding area by breaking up the shape.webm 4.55MB
  7352. Math/12 - Basic geometry - 05 - Area and perimeter/01 - Area and perimeter of polygons - 07 - Finding area by breaking up the shape.webm 4.55MB
  7353. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 04 - Bonheur, Sheep in the Highlands.webm 4.55MB
  7354. Math/10 - Algebra basics - 04 - Graphing lines and slope/05 - Graphing linear equations in slope-intercept form - 02 - Converting to slope-intercept form.webm 4.55MB
  7355. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/07 - Graphing linear equations in slope-intercept form - 02 - Converting to slope-intercept form.webm 4.55MB
  7356. Science/06 - Health and medicine - 14 - Lab values and concentrations/01 - Lab values and concentrations - 09 - Molarity, molality, osmolarity, osmolality, and tonicity - what's the difference_.webm 4.55MB
  7357. Science/06 - Health and medicine - 02 - Human anatomy and physiology/02 - Respiratory system introduction - 06 - Thermoregulation in the lungs.webm 4.54MB
  7358. Test prep/02 - MCAT - 03 - Organ systems/09 - Respiratory system - 09 - Thermoregulation in the lungs.webm 4.54MB
  7359. Test prep/03 - NCLEX-RN - 04 - Respiratory system/01 - Respiratory system - 09 - Thermoregulation in the lungs.webm 4.54MB
  7360. Economics and finance/03 - Finance and capital markets - 01 - Interest and debt/04 - Continuous compound interest and e - 02 - e as a limit.webm 4.54MB
  7361. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/09 - Power - 03 - 'Fragment' with Nicholas Reeves.webm 4.54MB
  7362. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/01 - Mutual funds and ETFs - 01 - Open-ended mutual fund (part 1).webm 4.53MB
  7363. Math/18 - Differential calculus - 03 - Derivative applications/03 - Critical points and graphing with calculus - 03 - Testing critical points for local extrema.webm 4.53MB
  7364. Test prep/02 - MCAT - 01 - Biomolecules/08 - Chromosomal inheritance - 01 - Evidence that DNA is genetic material 1.webm 4.53MB
  7365. Arts and humanities/10 - Age of global conflict - 07 - Pop/01 - Pop - 03 - Oldenburg, Floor Cake.webm 4.53MB
  7366. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/01 - Random variables and probability distributions - 01 - Random variables.webm 4.52MB
  7367. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/01 - Balancing chemical equations - 04 - Balancing another combustion reaction.webm 4.52MB
  7368. Test prep/02 - MCAT - 04 - Physical processes/29 - Balancing chemical equations - 04 - Balancing another combustion reaction.webm 4.52MB
  7369. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/05 - Applying linear equations - 01 - Basic linear equation word problem.webm 4.52MB
  7370. Arts and humanities/10 - Age of global conflict - 08 - Minimalism and Earthworks/01 - Minimalism and Earthworks - 01 - Donald Judd, Untitled.webm 4.51MB
  7371. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 06 - Data on Chinese foreign assets increase in 2010.webm 4.51MB
  7372. Math/17 - Precalculus - 06 - Sequences, series and induction/07 - Deductive and inductive reasoning - 02 - Deductive reasoning 2.webm 4.51MB
  7373. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/02 - Multiplying and dividing negative numbers - 01 - Multiplying positive and negative numbers.webm 4.50MB
  7374. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/03 - Multiplying and dividing negative numbers - 01 - Multiplying positive and negative numbers.webm 4.50MB
  7375. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/03 - Multiplying and dividing negative numbers - 01 - Multiplying positive and negative numbers.webm 4.50MB
  7376. Math/10 - Algebra basics - 01 - Foundations/01 - Negative numbers - 05 - Multiplying positive and negative numbers.webm 4.50MB
  7377. Economics and finance/01 - Microeconomics - 02 - Elasticity/01 - Price elasticity - 04 - Constant unit elasticity.webm 4.50MB
  7378. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/01 - Banking and money - 25 - LIBOR.webm 4.50MB
  7379. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 15 - Characteristics of an ideal bureaucracy.webm 4.50MB
  7380. Partner content/05 - The J. Paul Getty Museum - 04 - Art conservation/01 - Art conservation - 05 - Tracing the colors of ancient sculpture.webm 4.49MB
  7381. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 05 - CAHSEE practice_ Problems 15-16.webm 4.49MB
  7382. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 17 - Actual option quotes.webm 4.49MB
  7383. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/04 - Metric system unit conversion - 05 - Conversion between metric units.webm 4.48MB
  7384. Math/13 - Geometry - 06 - Perimeter, area, and volume/02 - Triangle inequality theorem - 01 - Triangle inequality theorem.webm 4.48MB
  7385. Science/01 - Biology - 01 - Cellular and molecular biology/01 - Cells - 04 - Organelle overview.webm 4.48MB
  7386. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/05 - Credit default swaps - 05 - Financial weapons of mass destruction.webm 4.48MB
  7387. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 02 - Accreting mass due to gravity simulation.webm 4.48MB
  7388. Math/07 - 8th grade (U.S.) - 02 - Solving equations/04 - Linear equation word problems - 02 - Ex 1 age word problem.webm 4.48MB
  7389. Math/11 - Algebra I - 02 - Linear equations/09 - Age word problems - 01 - Ex 1 age word problem.webm 4.48MB
  7390. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/06 - Recognizing functions - 03 - Graphical relations and functions.webm 4.47MB
  7391. Math/11 - Algebra I - 09 - Functions/02 - Recognizing functions - 02 - Graphical relations and functions.webm 4.47MB
  7392. Math/14 - Algebra II - 02 - Functions and their graphs/04 - Recognizing functions - 02 - Graphical relations and functions.webm 4.47MB
  7393. Science/07 - Discoveries and projects - 03 - Robots/03 - Spout Bot without Solder - 11 - Give Spout some grippy feet.webm 4.47MB
  7394. Math/02 - 3rd grade (U.S.) - 03 - Fractions/02 - Comparing fractions - 01 - Equivalent fraction models.webm 4.47MB
  7395. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/06 - France - 01 - Nicolas Poussin, Et in Arcadia Ego.webm 4.47MB
  7396. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/09 - Multiplying polynomials - 02 - Multiplying polynomials example.webm 4.47MB
  7397. Math/14 - Algebra II - 03 - Polynomial and rational functions/04 - Adding and multiplying polynomials - 03 - Multiplying polynomials example.webm 4.47MB
  7398. Math/22 - Linear algebra - 01 - Vectors and spaces/01 - Vectors - 01 - Vector intro for linear algebra.webm 4.47MB
  7399. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 07 - Systems and rate problems 3.webm 4.47MB
  7400. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/02 - Ratio word problems - 03 - Solving ratio problems with tables example 1.webm 4.47MB
  7401. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/01 - Ratios and proportions - 07 - Solving ratio problems with tables example 1.webm 4.47MB
  7402. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/03 - Surrealism - 01 - Magritte, The Treachery of Images (Ceci n’est pas une pipe).webm 4.47MB
  7403. Math/07 - 8th grade (U.S.) - 05 - Geometry/07 - Volume - 04 - Volume of a cone.webm 4.46MB
  7404. Math/12 - Basic geometry - 06 - Volume and surface area/03 - Volume of cones, cylinders, and spheres - 02 - Volume of a cone.webm 4.46MB
  7405. Math/13 - Geometry - 06 - Perimeter, area, and volume/07 - Volume and surface area - 06 - Volume of a cone.webm 4.46MB
  7406. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 05 - Treasury bond prices and yields.webm 4.46MB
  7407. Math/13 - Geometry - 02 - Angles and intersecting lines/02 - Angles between intersecting and parallel lines - 03 - Proof_ Vertical angles are equal.webm 4.46MB
  7408. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 09 - Comparing linear functions applications 1.webm 4.46MB
  7409. Math/11 - Algebra I - 09 - Functions/07 - Analyzing linear functions - 06 - Comparing linear functions applications 1.webm 4.46MB
  7410. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 14 - Upper bound on forward settlement price.webm 4.46MB
  7411. Math/11 - Algebra I - 07 - Quadratic equations/03 - Completing the square - 03 - Example 2_ Completing the square.webm 4.45MB
  7412. Science/04 - Organic chemistry - 01 - General chemistry review/03 - Hybrid orbitals - 06 - Tetrahedral bond angle proof.webm 4.45MB
  7413. Test prep/02 - MCAT - 07 - Behavior/06 - Motivation and attitudes - 09 - Cognitive dissonance.webm 4.45MB
  7414. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 11 - Marina Abramović_ What is performance art_.webm 4.45MB
  7415. Partner content/04 - The Museum of Modern Art - 07 - Performance Art/01 - Performance Art - 03 - Marina Abramović_ What is performance art_.webm 4.45MB
  7416. Test prep/02 - MCAT - 07 - Behavior/06 - Motivation and attitudes - 03 - Maslow's hierarchy of needs.webm 4.45MB
  7417. Test prep/02 - MCAT - 07 - Behavior/03 - Behavior and genetics - 04 - Gene environment interaction.webm 4.45MB
  7418. Math/10 - Algebra basics - 07 - Quadratics and polynomials/03 - Factoring quadratic expressions - 04 - Example 1_ Factoring trinomials with a common factor.webm 4.44MB
  7419. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/04 - Factoring quadratic expressions - 04 - Example 1_ Factoring trinomials with a common factor.webm 4.44MB
  7420. Math/14 - Algebra II - 03 - Polynomial and rational functions/01 - Factoring quadratics - 05 - Example 1_ Factoring trinomials with a common factor.webm 4.44MB
  7421. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/01 - Reading and interpreting data - 09 - Reading bar charts_ putting it together with central tendency.webm 4.44MB
  7422. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/03 - Two-step word problems - 01 - How many truffle eating guests attended a party.webm 4.44MB
  7423. Math/18 - Differential calculus - 02 - Taking derivatives/09 - Implicit differentiation - 06 - Finding slope of tangent line with implicit differentiation.webm 4.44MB
  7424. Test prep/02 - MCAT - 06 - Processing the environment/13 - Drug dependence - 07 - Tolerance and withdrawal.webm 4.43MB
  7425. Math/11 - Algebra I - 03 - Linear inequalities/02 - Compound and absolute value inequalities - 10 - Writing and using inequalities.webm 4.43MB
  7426. Math/17 - Precalculus - 04 - Imaginary and complex numbers/02 - Complex number introduction - 05 - Midpoint and distance on complex plane.webm 4.43MB
  7427. Math/11 - Algebra I - 07 - Quadratic equations/04 - The quadratic formula (quadratic equation) - 04 - Example 1_ Using the quadratic formula.webm 4.43MB
  7428. Science/01 - Biology - 01 - Cellular and molecular biology/03 - Cellular respiration - 02 - ATP hydrolysis mechanism.webm 4.43MB
  7429. Science/01 - Biology - 01 - Cellular and molecular biology/04 - Photosynthesis - 02 - ATP hydrolysis mechanism.webm 4.43MB
  7430. Test prep/02 - MCAT - 01 - Biomolecules/11 - Overview of metabolism - 03 - ATP hydrolysis mechanism.webm 4.43MB
  7431. Math/13 - Geometry - 06 - Perimeter, area, and volume/04 - Heron's formula - 01 - Heron's formula.webm 4.42MB
  7432. Math/14 - Algebra II - 03 - Polynomial and rational functions/02 - Completing the square and the quadratic formula - 07 - Discriminant for types of solutions for a quadratic.webm 4.42MB
  7433. Math/13 - Geometry - 03 - Congruence/01 - Transformations and congruence - 04 - Another example of rigid transformations for congruence.webm 4.42MB
  7434. Math/03 - 4th grade (U.S.) - 06 - Factors, multiples and patterns/03 - Math patterns - 03 - Math patterns example 2.webm 4.42MB
  7435. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/05 - Number patterns - 03 - Math patterns example 2.webm 4.42MB
  7436. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/03 - Naming alkanes, cycloalkanes, and bicyclic compounds - 05 - Naming cubane.webm 4.42MB
  7437. Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/03 - Depreciation and amortization - 01 - Expensing a truck leads to inconsistent performance.webm 4.41MB
  7438. Science/06 - Health and medicine - 12 - Executive systems of the brain/03 - Sleep and consciousness - 04 - Sleep disorders.webm 4.41MB
  7439. Test prep/02 - MCAT - 06 - Processing the environment/08 - Sleep and consciousness - 05 - Sleep disorders.webm 4.41MB
  7440. Math/04 - 5th grade (U.S.) - 02 - Fractions/05 - Multiplying fractions word problems - 06 - Multiplying fractions word problem_ bike to a friend.webm 4.41MB
  7441. Math/08 - Arithmetic - 05 - Fractions/10 - Multiplying fractions word problems - 06 - Multiplying fractions word problem_ bike to a friend.webm 4.41MB
  7442. Math/09 - Pre-algebra - 04 - Fractions/10 - Multiplying fractions word problems - 06 - Multiplying fractions word problem_ bike to a friend.webm 4.41MB
  7443. Math/10 - Algebra basics - 07 - Quadratics and polynomials/01 - Factoring simple expressions - 04 - Factoring and the distributive property 3.webm 4.41MB
  7444. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/03 - Factoring simple expressions - 01 - Factoring and the distributive property 3.webm 4.41MB
  7445. Math/03 - 4th grade (U.S.) - 03 - Fractions/04 - Word problems_ Adding and subtracting fractions - 01 - Figuring out how much pizza is left.webm 4.41MB
  7446. Math/08 - Arithmetic - 05 - Fractions/01 - Understanding fractions - 06 - Figuring out how much pizza is left.webm 4.41MB
  7447. Math/01 - Early math - 03 - Addition and subtraction/07 - Addition and subtraction word problems within 100 - 03 - Fence posts for horses.webm 4.40MB
  7448. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 20 - 16 Seating assignments.webm 4.40MB
  7449. Math/18 - Differential calculus - 02 - Taking derivatives/04 - Visualizing graphs of functions and their derivatives - 01 - Derivative intuition module.webm 4.40MB
  7450. Math/03 - 4th grade (U.S.) - 07 - Place value and rounding/01 - Place value - 03 - Writing a number in expanded form.webm 4.40MB
  7451. Math/09 - Pre-algebra - 08 - Arithmetic properties/01 - Place value - 03 - Writing a number in expanded form.webm 4.40MB
  7452. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/07 - Computing with scientific notation - 05 - Simplifying a complicated expression into scientific notation.webm 4.40MB
  7453. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/08 - Computing with scientific notation - 05 - Simplifying a complicated expression into scientific notation.webm 4.40MB
  7454. Math/10 - Algebra basics - 01 - Foundations/10 - Computing with scientific notation - 05 - Simplifying a complicated expression into scientific notation.webm 4.40MB
  7455. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/02 - Unit conversion - 05 - Unit conversion_ arithmetic calculations on units of volume.webm 4.40MB
  7456. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 04 - Unit conversion_ arithmetic calculations on units of volume.webm 4.40MB
  7457. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/05 - Factoring special products - 05 - Example_ Factoring perfect square trinomials.webm 4.39MB
  7458. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/03 - James Madison - 01 - An introduction to James Madison by historian Joe Ellis.webm 4.39MB
  7459. Test prep/02 - MCAT - 07 - Behavior/08 - Socialization - 01 - Agents of socialization.webm 4.39MB
  7460. Math/15 - Trigonometry - 01 - Basic trigonometry/04 - Reciprocal trig functions - 01 - Secant (sec), cosecant (csc) and cotangent (cot) example.webm 4.39MB
  7461. Math/16 - Probability and statistics - 02 - Probability and combinatorics/01 - Permutations - 04 - Zero factorial or 0_.webm 4.39MB
  7462. Math/17 - Precalculus - 05 - Probability and combinatorics/05 - Permutations - 04 - Zero factorial or 0_.webm 4.39MB
  7463. Math/19 - Integral calculus - 02 - Integration techniques/02 - u-substitution - 08 - u-substitution with definite integral.webm 4.39MB
  7464. Math/15 - Trigonometry - 03 - Graphs of trig functions/01 - Graphs of trig functions - 04 - Example_ Graph of cosine.webm 4.38MB
  7465. Science/03 - Chemistry - 04 - Periodic table/02 - Periodic table trends - 02 - Mini-video on ion size.webm 4.38MB
  7466. Math/19 - Integral calculus - 03 - Integration applications/06 - Solids of revolution - shell method - 07 - Part 2 of shell method with 2 functions of y.webm 4.38MB
  7467. Math/14 - Algebra II - 09 - Matrices/02 - Matrix multiplication - 02 - Multiplying a matrix by a matrix.webm 4.38MB
  7468. Math/17 - Precalculus - 02 - Matrices/02 - Matrix multiplication - 02 - Multiplying a matrix by a matrix.webm 4.38MB
  7469. Math/08 - Arithmetic - 05 - Fractions/12 - Mixed number addition and subtraction - 02 - Adding mixed numbers with unlike denominators.webm 4.38MB
  7470. Math/09 - Pre-algebra - 04 - Fractions/12 - Mixed number addition and subtraction - 02 - Adding mixed numbers with unlike denominators.webm 4.38MB
  7471. Math/08 - Arithmetic - 05 - Fractions/03 - Equivalent fractions and simplified form - 01 - Fractions in lowest terms.webm 4.37MB
  7472. Math/09 - Pre-algebra - 04 - Fractions/03 - Equivalent fractions and simplified form - 01 - Fractions in lowest terms.webm 4.37MB
  7473. Math/18 - Differential calculus - 01 - Limits/04 - Continuity using limits - 03 - Fancy algebra to find a limit and make a function continuous.webm 4.37MB
  7474. Math/19 - Integral calculus - 05 - AP Calculus practice questions/01 - Calculus AB example questions - 13 - 2011 Calculus AB free response #6a.webm 4.37MB
  7475. Math/03 - 4th grade (U.S.) - 03 - Fractions/07 - Multiplying whole numbers and fractions - 06 - Multiplying fractions word problem_ pigging out on pumpkin pie.webm 4.37MB
  7476. Math/04 - 5th grade (U.S.) - 02 - Fractions/05 - Multiplying fractions word problems - 03 - Multiplying fractions word problem_ pigging out on pumpkin pie.webm 4.37MB
  7477. Math/08 - Arithmetic - 05 - Fractions/10 - Multiplying fractions word problems - 03 - Multiplying fractions word problem_ pigging out on pumpkin pie.webm 4.37MB
  7478. Math/09 - Pre-algebra - 04 - Fractions/10 - Multiplying fractions word problems - 03 - Multiplying fractions word problem_ pigging out on pumpkin pie.webm 4.37MB
  7479. Arts and humanities/08 - Monarchy and enlightenment - 01 - Baroque art/04 - Dutch Republic - 03 - Rembrandt, Girl at a Window.webm 4.37MB
  7480. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/02 - Multiplying using grids and area models to visualize - 03 - Multiplying_ understanding by using area models.webm 4.37MB
  7481. Math/08 - Arithmetic - 02 - Multiplication and division/10 - Area models and multiplication - 01 - Multiplying_ understanding by using area models.webm 4.37MB
  7482. Math/18 - Differential calculus - 02 - Taking derivatives/07 - Chain rule - 03 - Chain rule definition and example.webm 4.37MB
  7483. Math/19 - Integral calculus - 03 - Integration applications/07 - Solid of revolution volume - 08 - Shell method around a non-axis line 2.webm 4.36MB
  7484. Arts and humanities/08 - Monarchy and enlightenment - 03 - Neo-Classicism/01 - Neo-Classicism - 05 - David, The Emperor Napoleon in His Study at the Tuileries.webm 4.36MB
  7485. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 03 - Logarithm of a power.webm 4.36MB
  7486. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 14 - 14 Trays with cups and plates.webm 4.36MB
  7487. Math/14 - Algebra II - 07 - Imaginary and complex numbers/02 - Complex numbers - 07 - Dividing complex numbers.webm 4.36MB
  7488. Math/17 - Precalculus - 04 - Imaginary and complex numbers/04 - Multiplying and dividing complex numbers - 04 - Dividing complex numbers.webm 4.36MB
  7489. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/05 - Multiplication by powers of 10 - 06 - Fractions as division by power of 10.webm 4.36MB
  7490. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 18 - Convex parabolic mirrors.webm 4.36MB
  7491. Test prep/02 - MCAT - 04 - Physical processes/23 - Spherical mirrors - 04 - Convex parabolic mirrors.webm 4.36MB
  7492. Math/18 - Differential calculus - 03 - Derivative applications/04 - Absolute and relative maxima and minima - 02 - Relative minima and maxima.webm 4.35MB
  7493. Math/07 - 8th grade (U.S.) - 02 - Solving equations/02 - Solving equations with distribution - 03 - Solving equations with the distributive property.webm 4.35MB
  7494. Math/11 - Algebra I - 02 - Linear equations/11 - Simplifying complicated equations - 02 - Solving equations with the distributive property.webm 4.35MB
  7495. Partner content/12 - Stanford School of Medicine - 02 - Influenza/01 - Influenza - 04 - Genetic Shift and Drift.webm 4.35MB
  7496. Partner content/12 - Stanford School of Medicine - 02 - Influenza/01 - Influenza - 07 - Flu Vaccine Excuses.webm 4.35MB
  7497. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/04 - Other fronts of World War I - 05 - Japan in World War I.webm 4.35MB
  7498. Science/07 - Discoveries and projects - 01 - Discoveries/03 - Measuring magnetic fields - 04 - Inverse cube law (method of oscillation).webm 4.35MB
  7499. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/08 - Rise of Hitler and the Nazis - 04 - Night of the Long Knives.webm 4.35MB
  7500. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 12 - Manet, Plum Brandy.webm 4.35MB
  7501. Math/13 - Geometry - 10 - Transformations/04 - Transformations on the coordinate plane - 04 - Possible transformations example.webm 4.34MB
  7502. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/01 - Balancing chemical equations - 01 - Balancing chemical equations.webm 4.34MB
  7503. Test prep/02 - MCAT - 04 - Physical processes/29 - Balancing chemical equations - 01 - Balancing chemical equations.webm 4.34MB
  7504. Test prep/02 - MCAT - 01 - Biomolecules/05 - Gene control - 05 - Non-coding RNA (ncRNA).webm 4.34MB
  7505. Arts and humanities/09 - Becoming modern - 06 - Symbolism and Art Nouveau/01 - Symbolism and Art Nouveau - 03 - Khnopff, Jeanne Kéfer.webm 4.34MB
  7506. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/05 - Investment and consumption - 08 - Back-of-envelope office space conundrum.webm 4.34MB
  7507. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/04 - Collateralized debt obligations - 01 - Collateralized debt obligation overview.webm 4.34MB
  7508. Math/15 - Trigonometry - 04 - Trig identities and examples/03 - Angle addition formulas - 01 - Applying angle addition formula for sin.webm 4.34MB
  7509. Math/18 - Differential calculus - 01 - Limits/06 - Limits and infinity - 07 - Limits at infinity using algebra.webm 4.33MB
  7510. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 08 - Chinese inflation.webm 4.33MB
  7511. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/05 - Proof of Stokes' theorem - 01 - Stokes' theorem proof part 1.webm 4.33MB
  7512. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 06 - US and Japanese quantitative easing.webm 4.33MB
  7513. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 18 - 20 Units digits of products.webm 4.32MB
  7514. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 02 - Basic rate problem.webm 4.32MB
  7515. Math/19 - Integral calculus - 02 - Integration techniques/05 - Trigonometric substitution - 02 - Another substitution with x_sin (theta).webm 4.32MB
  7516. Math/07 - 8th grade (U.S.) - 02 - Solving equations/02 - Solving equations with distribution - 06 - Ex 2_ Distributive property to simplify.webm 4.32MB
  7517. Math/11 - Algebra I - 02 - Linear equations/11 - Simplifying complicated equations - 04 - Ex 2_ Distributive property to simplify.webm 4.32MB
  7518. Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 02 - Tax deductions introduction.webm 4.31MB
  7519. Math/03 - 4th grade (U.S.) - 06 - Factors, multiples and patterns/01 - Prime and composite numbers - 02 - Recognizing prime and composite numbers.webm 4.31MB
  7520. Math/09 - Pre-algebra - 02 - Factors and multiples/03 - Prime numbers - 02 - Recognizing prime and composite numbers.webm 4.31MB
  7521. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/04 - Two-step equations - 02 - Solving two-step equations.webm 4.31MB
  7522. Math/11 - Algebra I - 01 - Introduction to algebra/06 - The why of algebra - 07 - Solving two-step equations.webm 4.31MB
  7523. Math/11 - Algebra I - 02 - Linear equations/01 - The why of algebra - 07 - Solving two-step equations.webm 4.31MB
  7524. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 02 - Futures introduction.webm 4.31MB
  7525. Math/01 - Early math - 03 - Addition and subtraction/08 - Addition and subtraction within 1000 - 03 - Adding hundreds, tens, and ones.webm 4.31MB
  7526. Science/06 - Health and medicine - 06 - Respiratory system diseases/07 - Pulmonary hypertension - 05 - Pulmonary hypertension diagnosis.webm 4.31MB
  7527. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 05 - Pulmonary hypertension diagnosis.webm 4.31MB
  7528. Math/01 - Early math - 04 - Measurement and data/02 - Data - 01 - Introduction to line plots.webm 4.30MB
  7529. Math/05 - 6th grade (U.S.) - 06 - Geometry/01 - Coordinate plane - 06 - Coordinate plane_ word problem exercise.webm 4.30MB
  7530. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/01 - Coordinate plane - 08 - Coordinate plane_ word problem exercise.webm 4.30MB
  7531. Math/12 - Basic geometry - 04 - The coordinate plane/01 - Coordinate plane - 07 - Coordinate plane_ word problem exercise.webm 4.30MB
  7532. Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/03 - Depreciation and amortization - 04 - Amortization and depreciation.webm 4.30MB
  7533. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/02 - Unit conversion - 04 - Unit conversion_ gallons to quarts, pints, and cups.webm 4.30MB
  7534. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/06 - Unit conversion - 02 - Unit conversion_ gallons to quarts, pints, and cups.webm 4.30MB
  7535. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 02 - Unit conversion_ gallons to quarts, pints, and cups.webm 4.30MB
  7536. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 05 - Verifying hedge with futures margin mechanics.webm 4.30MB
  7537. Test prep/02 - MCAT - 04 - Physical processes/24 - Reflection and refraction - 08 - Dispersion.webm 4.29MB
  7538. Math/07 - 8th grade (U.S.) - 02 - Solving equations/04 - Linear equation word problems - 01 - Sum of consecutive odd integers.webm 4.29MB
  7539. Math/10 - Algebra basics - 03 - Linear equations and inequalities/02 - Linear equation word problems - 03 - Sum of consecutive odd integers.webm 4.29MB
  7540. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 08 - Sum of consecutive odd integers.webm 4.29MB
  7541. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/05 - Percent word problems - 05 - Percent word problem example 5.webm 4.29MB
  7542. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/06 - Percent word problems - 04 - Percent word problem example 5.webm 4.29MB
  7543. Math/08 - Arithmetic - 04 - Decimals/10 - Percent word problems - 04 - Percent word problem example 5.webm 4.29MB
  7544. Math/09 - Pre-algebra - 03 - Decimals/10 - Percent word problems - 04 - Percent word problem example 5.webm 4.29MB
  7545. Math/11 - Algebra I - 05 - Systems of equations and inequalities/09 - Systems with three variables - 03 - Solutions to three variable system.webm 4.29MB
  7546. Math/14 - Algebra II - 01 - Systems of equations and inequalities/03 - Systems with three variables - 03 - Solutions to three variable system.webm 4.29MB
  7547. Math/01 - Early math - 03 - Addition and subtraction/07 - Addition and subtraction word problems within 100 - 09 - Spots on a die.webm 4.29MB
  7548. Math/04 - 5th grade (U.S.) - 06 - Algebraic thinking/02 - Number patterns - 02 - Number patterns_ interpreting relationships.webm 4.29MB
  7549. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/05 - Number patterns - 05 - Number patterns_ interpreting relationships.webm 4.29MB
  7550. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 07 - Data on Chinese US balance of payments.webm 4.28MB
  7551. Math/07 - 8th grade (U.S.) - 05 - Geometry/03 - Triangle angles - 03 - Triangle angle example 2.webm 4.28MB
  7552. Math/10 - Algebra basics - 08 - Equations and geometry/01 - Angles with triangles and polygons - 03 - Triangle angle example 2.webm 4.28MB
  7553. Math/12 - Basic geometry - 03 - Shapes/02 - Finding angles in shapes - 03 - Triangle angle example 2.webm 4.28MB
  7554. Math/13 - Geometry - 02 - Angles and intersecting lines/03 - Angles with triangles and polygons - 03 - Triangle angle example 2.webm 4.28MB
  7555. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 02 - Social institutions.webm 4.28MB
  7556. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/01 - Balancing chemical equations - 03 - Visually understanding balancing chemical equations.webm 4.28MB
  7557. Test prep/02 - MCAT - 04 - Physical processes/29 - Balancing chemical equations - 03 - Visually understanding balancing chemical equations.webm 4.28MB
  7558. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/03 - James Madison - 06 - Madison and Thomas Jefferson_ Their friendship, commonalities, and differences.webm 4.28MB
  7559. Science/06 - Health and medicine - 07 - Advanced hematologic system physiology/01 - Bleeding and impaired hemostasis - 03 - Secondary hemostasis.webm 4.28MB
  7560. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 05 - Dramaturgical approach.webm 4.28MB
  7561. Math/18 - Differential calculus - 03 - Derivative applications/01 - Equations of normal and tangent lines - 02 - Equation of normal line.webm 4.28MB
  7562. Math/01 - Early math - 03 - Addition and subtraction/07 - Addition and subtraction word problems within 100 - 08 - Starfish rulers.webm 4.27MB
  7563. Math/14 - Algebra II - 03 - Polynomial and rational functions/08 - Factoring and roots of higher degree polynomials - 01 - Factoring sum of cubes.webm 4.27MB
  7564. Test prep/01 - SAT - 03 - SAT Math practice/05 - SAT Math_ Level 5 - 03 - 18 Median mileage.webm 4.27MB
  7565. Math/16 - Probability and statistics - 06 - Regression/02 - Linear regression and correlation - 08 - Proof (part 4) minimizing squared error to regression line.webm 4.26MB
  7566. Math/15 - Trigonometry - 04 - Trig identities and examples/03 - Angle addition formulas - 05 - Cosine addition identity example.webm 4.26MB
  7567. Math/03 - 4th grade (U.S.) - 03 - Fractions/06 - Decomposing fractions - 01 - Decomposing a fraction visually.webm 4.26MB
  7568. Math/08 - Arithmetic - 05 - Fractions/05 - Decomposing fractions - 01 - Decomposing a fraction visually.webm 4.26MB
  7569. Math/09 - Pre-algebra - 04 - Fractions/05 - Decomposing fractions - 01 - Decomposing a fraction visually.webm 4.26MB
  7570. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/08 - Observations - 06 - 'Line' with Sheila Canby.webm 4.26MB
  7571. Math/18 - Differential calculus - 02 - Taking derivatives/02 - Using secant line slopes to approximate tangent slope - 06 - Approximating equation of tangent line word problem.webm 4.26MB
  7572. Partner content/12 - Stanford School of Medicine - 02 - Influenza/01 - Influenza - 01 - Flu Symptoms and Diagnosis.webm 4.26MB
  7573. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 16 - Arbitraging futures contract.webm 4.26MB
  7574. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 07 - Calculus BC 2008 2d.webm 4.26MB
  7575. Math/03 - 4th grade (U.S.) - 05 - Geometry/05 - Classifying geometric shapes - 03 - Quadrilaterals_ kites as a geometric shape.webm 4.26MB
  7576. Math/04 - 5th grade (U.S.) - 05 - Geometry/02 - Quadrilaterals - 03 - Quadrilaterals_ kites as a geometric shape.webm 4.26MB
  7577. Math/12 - Basic geometry - 03 - Shapes/01 - Classifying shapes - 03 - Quadrilaterals_ kites as a geometric shape.webm 4.26MB
  7578. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 03 - Quadrilaterals_ kites as a geometric shape.webm 4.26MB
  7579. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 01 - Introduction to blended learning/02 - Four different blended learning models - 01 - Four Different Blended Learning Models.webm 4.25MB
  7580. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/02 - Applying multiplication and division - 04 - Average height of a building's floor.webm 4.25MB
  7581. Math/10 - Algebra basics - 07 - Quadratics and polynomials/02 - Multiplying binomials - 02 - FOIL for multiplying binomials.webm 4.23MB
  7582. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/02 - Multiplying binomials - 02 - FOIL for multiplying binomials.webm 4.23MB
  7583. Math/03 - 4th grade (U.S.) - 03 - Fractions/01 - Equivalent fractions - 07 - Equivalent fraction word problem example 4.webm 4.23MB
  7584. Math/08 - Arithmetic - 05 - Fractions/03 - Equivalent fractions and simplified form - 03 - Equivalent fraction word problem example 4.webm 4.23MB
  7585. Math/09 - Pre-algebra - 04 - Fractions/03 - Equivalent fractions and simplified form - 03 - Equivalent fraction word problem example 4.webm 4.23MB
  7586. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/02 - Books, music, and literature - 06 - 'Metaphorical' with Shi-yee Liu.webm 4.23MB
  7587. Math/07 - 8th grade (U.S.) - 05 - Geometry/04 - The Pythagorean theorem - 03 - Pythagorean theorem 1.webm 4.23MB
  7588. Math/10 - Algebra basics - 08 - Equations and geometry/03 - Pythagorean theorem - 02 - Pythagorean theorem 1.webm 4.23MB
  7589. Math/12 - Basic geometry - 07 - The Pythagorean theorem/01 - The Pythagorean theorem - 03 - Pythagorean theorem 1.webm 4.23MB
  7590. Math/13 - Geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 03 - Pythagorean theorem 1.webm 4.23MB
  7591. Arts and humanities/07 - Renaissance and Reformation - 02 - Northern Renaissance/06 - Albrecht Dürer - 01 - Dürer, Self-portrait (1498).webm 4.23MB
  7592. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/06 - Scientific notation - 05 - Scientific notation example 2.webm 4.22MB
  7593. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/06 - Scientific notation - 05 - Scientific notation example 2.webm 4.22MB
  7594. Math/10 - Algebra basics - 01 - Foundations/09 - Scientific notation - 05 - Scientific notation example 2.webm 4.22MB
  7595. Math/01 - Early math - 03 - Addition and subtraction/08 - Addition and subtraction within 1000 - 02 - Subtracting hundreds and tens.webm 4.22MB
  7596. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/01 - Measuring cost of living --inflation and the consumer price index - 03 - Inflation data.webm 4.21MB
  7597. Economics and finance/03 - Finance and capital markets - 03 - Inflation/01 - Inflation basics - 03 - Inflation data.webm 4.21MB
  7598. Math/08 - Arithmetic - 05 - Fractions/01 - Understanding fractions - 01 - Introduction to fractions.webm 4.21MB
  7599. Math/09 - Pre-algebra - 04 - Fractions/01 - Understanding fractions - 01 - Introduction to fractions.webm 4.21MB
  7600. Math/03 - 4th grade (U.S.) - 05 - Geometry/05 - Classifying geometric shapes - 06 - Triangles_ using angles to categorize.webm 4.21MB
  7601. Math/12 - Basic geometry - 03 - Shapes/01 - Classifying shapes - 06 - Triangles_ using angles to categorize.webm 4.21MB
  7602. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/06 - Dilution - 01 - Stock dilution.webm 4.21MB
  7603. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/01 - Neural cells and neurotransmitters - 02 - Neurotransmitter removal.webm 4.21MB
  7604. Test prep/02 - MCAT - 03 - Organ systems/04 - Neuronal synapses - 05 - Neurotransmitter removal.webm 4.21MB
  7605. Math/05 - 6th grade (U.S.) - 04 - Properties of numbers/03 - Distributive property - 01 - Distributive property explained.webm 4.21MB
  7606. Math/09 - Pre-algebra - 08 - Arithmetic properties/08 - The distributive property - 01 - Distributive property explained.webm 4.21MB
  7607. Science/06 - Health and medicine - 12 - Executive systems of the brain/04 - Memory - 05 - Memory reconstruction, source monitoring, and emotional memories.webm 4.21MB
  7608. Test prep/02 - MCAT - 06 - Processing the environment/09 - Memory - 05 - Memory reconstruction, source monitoring, and emotional memories.webm 4.21MB
  7609. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/05 - Dividing fractions by fractions - 01 - Understanding division of fractions.webm 4.21MB
  7610. Math/08 - Arithmetic - 05 - Fractions/16 - Dividing fractions by fractions - 01 - Understanding division of fractions.webm 4.21MB
  7611. Math/09 - Pre-algebra - 04 - Fractions/16 - Dividing fractions by fractions - 01 - Understanding division of fractions.webm 4.21MB
  7612. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/12 - Transformations - 02 - 'Motion' with Marla Prather.webm 4.21MB
  7613. Science/06 - Health and medicine - 04 - Circulatory system diseases/12 - Vasculitis - 10 - Churg-Strauss syndrome.webm 4.20MB
  7614. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/05 - Vasculitis - 10 - Churg-Strauss syndrome.webm 4.20MB
  7615. Math/18 - Differential calculus - 01 - Limits/02 - Estimating limits from graphs - 03 - Determining which limit statements are true.webm 4.20MB
  7616. Math/17 - Precalculus - 01 - Vectors/03 - Vectors in magnitude and direction form - 06 - Magnitude of vector sums.webm 4.20MB
  7617. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/01 - Graphing and analyzing proportional relationships - 03 - Graphing proportional relationships example.webm 4.20MB
  7618. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/04 - Proportional relationships - 06 - Graphing proportional relationships example.webm 4.20MB
  7619. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/03 - Basic probability - 04 - Determining probability.webm 4.19MB
  7620. Math/16 - Probability and statistics - 01 - Independent and dependent events/01 - Basic probability - 02 - Determining probability.webm 4.19MB
  7621. Math/05 - 6th grade (U.S.) - 03 - Negative numbers/01 - Negative number basics - 05 - Negative number word problem.webm 4.19MB
  7622. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/01 - Adding and subtracting negative numbers - 05 - Negative number word problem.webm 4.19MB
  7623. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 05 - Negative number word problem.webm 4.19MB
  7624. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 05 - Negative number word problem.webm 4.19MB
  7625. Math/19 - Integral calculus - 01 - Integrals/01 - Indefinite integral as anti-derivative - 06 - Visually determining antiderivative.webm 4.19MB
  7626. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 14 - Multiplying and dividing rational expressions 2.webm 4.19MB
  7627. Math/14 - Algebra II - 04 - Rational expressions/06 - Multiplying and dividing rational expressions - 03 - Multiplying and dividing rational expressions 2.webm 4.19MB
  7628. Math/08 - Arithmetic - 05 - Fractions/11 - Mixed numbers and improper fractions - 01 - Comparing improper fractions and mixed numbers.webm 4.18MB
  7629. Math/09 - Pre-algebra - 04 - Fractions/11 - Mixed numbers and improper fractions - 01 - Comparing improper fractions and mixed numbers.webm 4.18MB
  7630. Science/02 - Physics - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 01 - Optimal angle for a projectile part 1.webm 4.18MB
  7631. Partner content/05 - The J. Paul Getty Museum - 05 - Paintings/01 - Paintings - 04 - Orazio Gentileschi's paintings of women and divine love.webm 4.18MB
  7632. Math/12 - Basic geometry - 03 - Shapes/02 - Finding angles in shapes - 07 - Proof_ Opposite angles of parallelogram congruent.webm 4.18MB
  7633. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 07 - Proof_ Opposite angles of parallelogram congruent.webm 4.18MB
  7634. Math/11 - Algebra I - 08 - Exponent expressions and equations/04 - Simplifying radical expressions - 08 - Adding and simplifying radicals.webm 4.17MB
  7635. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/02 - Modeling with exponential functions - 04 - Solving exponential equation.webm 4.17MB
  7636. Math/18 - Differential calculus - 02 - Taking derivatives/03 - Introduction to derivatives - 02 - Tangent slope as limiting value of secant slope example 1.webm 4.17MB
  7637. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/03 - Solving systems with substitution - 04 - The substitution method.webm 4.17MB
  7638. Math/11 - Algebra I - 05 - Systems of equations and inequalities/05 - Solving systems with substitution - 04 - The substitution method.webm 4.17MB
  7639. Math/23 - Recreational math - 03 - Math warmups/01 - Expectation warmup - 01 - Problem of Points.webm 4.17MB
  7640. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/04 - Equivalent expressions - 05 - Equivalent forms of expressions.webm 4.17MB
  7641. Math/10 - Algebra basics - 02 - Algebraic expressions/02 - Manipulating expressions - 07 - Equivalent forms of expressions.webm 4.17MB
  7642. Math/11 - Algebra I - 01 - Introduction to algebra/03 - Manipulating expressions - 09 - Equivalent forms of expressions.webm 4.17MB
  7643. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/05 - Credit default swaps - 04 - Use cases for credit default swaps.webm 4.17MB
  7644. Science/06 - Health and medicine - 06 - Respiratory system diseases/05 - Cystic fibrosis - 03 - Cystic fibrosis diagnosis.webm 4.16MB
  7645. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/05 - Cystic fibrosis - 03 - Cystic fibrosis diagnosis.webm 4.16MB
  7646. Test prep/02 - MCAT - 08 - Individuals and society/03 - Social behavior - 07 - Altruism.webm 4.16MB
  7647. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 09 - Altruism.webm 4.16MB
  7648. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 03 - Primary and secondary groups.webm 4.16MB
  7649. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/02 - Solving linear systems graphically - 06 - Example 3_ Graphically solving systems.webm 4.16MB
  7650. Math/11 - Algebra I - 05 - Systems of equations and inequalities/03 - Solving systems graphically - 06 - Example 3_ Graphically solving systems.webm 4.16MB
  7651. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/02 - Comparing and sampling populations - 04 - Dot plot and distribution word problem.webm 4.16MB
  7652. Math/14 - Algebra II - 02 - Functions and their graphs/10 - Comparing and interpreting functions - 05 - Comparing features of functions (example 3).webm 4.16MB
  7653. Partner content/03 - The British Museum - 01 - Africa/02 - Ancient Egypt - 02 - Ancient Egyptian coffin mask conserved for the Book of the Dead exhibition at the British Museum.webm 4.15MB
  7654. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 11 - Contango.webm 4.15MB
  7655. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 11 - Refraction in water.webm 4.15MB
  7656. Test prep/02 - MCAT - 04 - Physical processes/24 - Reflection and refraction - 04 - Refraction in water.webm 4.15MB
  7657. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/02 - Intercepts of linear functions - 01 - Graphing using x- and y-intercepts.webm 4.15MB
  7658. Math/10 - Algebra basics - 04 - Graphing lines and slope/03 - Graphing with intercepts - 01 - Graphing using x- and y-intercepts.webm 4.15MB
  7659. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/03 - x-intercepts and y-intercepts of linear functions - 01 - Graphing using x- and y-intercepts.webm 4.15MB
  7660. Math/13 - Geometry - 05 - Right triangles and trigonometry/04 - Sine, cosine and tangent trigonometric functions - 05 - Angle to aim to get alien.webm 4.15MB
  7661. Math/15 - Trigonometry - 01 - Basic trigonometry/03 - Trig ratio application problems - 02 - Angle to aim to get alien.webm 4.15MB
  7662. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 06 - Parallel line equation.webm 4.15MB
  7663. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/04 - Hedge funds - 04 - Hedge funds, venture capital, and private equity.webm 4.15MB
  7664. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 10 - CAHSEE practice_ Problems 32-34.webm 4.14MB
  7665. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 12 - Mixture problems 3.webm 4.14MB
  7666. Test prep/01 - SAT - 02 - Full-length SAT/03 - Section 3 - 03 - 3 Camouflage.webm 4.14MB
  7667. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/03 - Full-length SAT_ Section 3 - 03 - 3 Camouflage.webm 4.14MB
  7668. Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 03 - AMT overview.webm 4.14MB
  7669. Math/11 - Algebra I - 10 - Ratios and proportions/03 - Rational and irrational numbers - 08 - Proof that there is an irrational number between any two rational numbers.webm 4.14MB
  7670. Math/18 - Differential calculus - 01 - Limits/03 - Finding limits algebraically - 02 - Limit properties.webm 4.14MB
  7671. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/13 - Average rate of change - 04 - Average rate of change when function defined by equation.webm 4.14MB
  7672. Science/01 - Biology - 03 - Heredity and evolution/02 - Heredity and genetics - 05 - Applying the Hardy Weinberg equation.webm 4.13MB
  7673. Test prep/02 - MCAT - 01 - Biomolecules/07 - Mendelian genetics - 05 - Applying the Hardy Weinberg equation.webm 4.13MB
  7674. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 12 - Representing a number as a decimal, percent, and fraction 2.webm 4.13MB
  7675. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 11 - Representing a number as a decimal, percent, and fraction 2.webm 4.13MB
  7676. Math/03 - 4th grade (U.S.) - 03 - Fractions/01 - Equivalent fractions - 06 - More on equivalent fractions.webm 4.13MB
  7677. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/03 - Slope of a line - 04 - Graphical slope of a line.webm 4.12MB
  7678. Math/10 - Algebra basics - 04 - Graphing lines and slope/04 - Slope of a line - 04 - Graphical slope of a line.webm 4.12MB
  7679. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/06 - Slope - 04 - Graphical slope of a line.webm 4.12MB
  7680. Math/14 - Algebra II - 03 - Polynomial and rational functions/11 - Simplifying rational expressions - 02 - Simplifying rational expressions 1.webm 4.12MB
  7681. Math/14 - Algebra II - 04 - Rational expressions/01 - Simplifying rational expressions - 02 - Simplifying rational expressions 1.webm 4.12MB
  7682. Math/19 - Integral calculus - 02 - Integration techniques/05 - Trigonometric substitution - 06 - Trig substitution with tangent.webm 4.12MB
  7683. Math/13 - Geometry - 11 - Analytic geometry/02 - Distances between points - 04 - Finding a point part way between two points.webm 4.11MB
  7684. Math/19 - Integral calculus - 02 - Integration techniques/06 - Division and partial fraction expansion - 02 - Dividing expressions to evaluate integral.webm 4.11MB
  7685. Math/05 - 6th grade (U.S.) - 07 - Data and statistics/04 - Mean and median - 02 - Finding mean, median and mode.webm 4.11MB
  7686. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/01 - Measures of central tendency - 02 - Finding mean, median and mode.webm 4.11MB
  7687. Math/16 - Probability and statistics - 04 - Descriptive statistics/01 - Measures of central tendency - 02 - Finding mean, median and mode.webm 4.11MB
  7688. Math/02 - 3rd grade (U.S.) - 05 - Place value and rounding/01 - Rounding - 02 - Rounding to the nearest 100.webm 4.11MB
  7689. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/07 - Computing with scientific notation - 06 - Calculating red blood cells in the body using scientific notation.webm 4.11MB
  7690. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/08 - Computing with scientific notation - 06 - Calculating red blood cells in the body using scientific notation.webm 4.11MB
  7691. Math/10 - Algebra basics - 01 - Foundations/10 - Computing with scientific notation - 06 - Calculating red blood cells in the body using scientific notation.webm 4.11MB
  7692. Math/01 - Early math - 02 - Place value and patterns/01 - Tens - 02 - Representing quantity using place value.webm 4.11MB
  7693. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/04 - Logarithmic equations - 02 - Solving logarithmic equations.webm 4.11MB
  7694. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 11 - Solving logarithmic equations.webm 4.11MB
  7695. Math/14 - Algebra II - 03 - Polynomial and rational functions/06 - Synthetic division - 01 - Synthetic division.webm 4.11MB
  7696. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/01 - Volume - 05 - Volume word problem.webm 4.10MB
  7697. Math/09 - Pre-algebra - 09 - Measurement/04 - Volume of a box or rectangular prism - 05 - Volume word problem.webm 4.10MB
  7698. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/06 - Somatosensation - 02 - Sensory adaptation and amplification.webm 4.10MB
  7699. Test prep/02 - MCAT - 06 - Processing the environment/04 - Somatosensation - 02 - Sensory adaptation and amplification.webm 4.10MB
  7700. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 13 - Contango and backwardation review.webm 4.10MB
  7701. Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/02 - Three core financial statements - 02 - Basic cash flow statement.webm 4.10MB
  7702. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 15 - Put-call parity arbitrage II.webm 4.09MB
  7703. Test prep/02 - MCAT - 07 - Behavior/06 - Motivation and attitudes - 04 - Incentive theory.webm 4.09MB
  7704. Math/04 - 5th grade (U.S.) - 06 - Algebraic thinking/02 - Number patterns - 03 - Number patterns__ interpreting and graphing relationships.webm 4.09MB
  7705. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/05 - Number patterns - 06 - Number patterns__ interpreting and graphing relationships.webm 4.09MB
  7706. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 12 - Backwardation.webm 4.09MB
  7707. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/07 - Binary and hexadecimal number systems - 08 - Converting directly from binary to hexadecimal.webm 4.09MB
  7708. Math/18 - Differential calculus - 03 - Derivative applications/07 - Applying differentiation in different fields - 03 - Modeling a forgetting curve.webm 4.09MB
  7709. Economics and finance/03 - Finance and capital markets - 05 - Accounting and financial statements/02 - Three core financial statements - 04 - Fair value accounting.webm 4.08MB
  7710. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 10 - Art Terms in Action_ Stain.webm 4.08MB
  7711. Partner content/04 - The Museum of Modern Art - 05 - Art terms in action/01 - Art terms in action - 04 - Art Terms in Action_ Stain.webm 4.08MB
  7712. Math/18 - Differential calculus - 02 - Taking derivatives/08 - Product and quotient rules - 04 - Quotient rule from product rule.webm 4.08MB
  7713. Science/03 - Chemistry - 12 - Redox reactions and electrochemistry/01 - Oxidation-reduction reactions - 04 - Unusual oxygen oxidation states.webm 4.08MB
  7714. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/03 - Comparing with multiplication - 01 - Comparing with multiplication_ ages and heights.webm 4.08MB
  7715. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 08 - Proof_ Rhombus diagonals are perpendicular bisectors.webm 4.08MB
  7716. Science/04 - Organic chemistry - 14 - Spectroscopy/03 - proton NMR - 07 - Integration.webm 4.08MB
  7717. Test prep/02 - MCAT - 04 - Physical processes/21 - Proton nuclear magnetic resonance - 07 - Integration.webm 4.08MB
  7718. Math/03 - 4th grade (U.S.) - 05 - Geometry/02 - Angles - 07 - More angle measurements using a protractor.webm 4.08MB
  7719. Math/12 - Basic geometry - 02 - Angles/01 - Angle basics - 07 - More angle measurements using a protractor.webm 4.08MB
  7720. Math/13 - Geometry - 02 - Angles and intersecting lines/01 - Angle basics and measurement - 04 - More angle measurements using a protractor.webm 4.08MB
  7721. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/03 - Dividing whole numbers and decimals - 03 - Dividing by a multi-digit decimal.webm 4.08MB
  7722. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/06 - Dividing decimals - 02 - Dividing by a multi-digit decimal.webm 4.08MB
  7723. Math/08 - Arithmetic - 04 - Decimals/07 - Dividing decimals - 05 - Dividing by a multi-digit decimal.webm 4.08MB
  7724. Math/09 - Pre-algebra - 03 - Decimals/07 - Dividing decimals - 05 - Dividing by a multi-digit decimal.webm 4.08MB
  7725. Math/10 - Algebra basics - 01 - Foundations/08 - Operations with decimals - 08 - Dividing by a multi-digit decimal.webm 4.08MB
  7726. Partner content/18 - NASA - 03 - Exploring the Universe/02 - Mars_ Modern exploration - 02 - Mars global surveyor.webm 4.08MB
  7727. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/01 - Adding and subtracting negative numbers - 02 - Adding numbers with different signs.webm 4.07MB
  7728. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 02 - Adding numbers with different signs.webm 4.07MB
  7729. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 03 - Adding numbers with different signs.webm 4.07MB
  7730. Math/18 - Differential calculus - 01 - Limits/04 - Continuity using limits - 04 - Defining a function at a point to make it continuous.webm 4.07MB
  7731. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/01 - Balancing chemical equations - 02 - Balancing more complex chemical equation.webm 4.07MB
  7732. Test prep/02 - MCAT - 04 - Physical processes/29 - Balancing chemical equations - 02 - Balancing more complex chemical equation.webm 4.07MB
  7733. Math/01 - Early math - 03 - Addition and subtraction/07 - Addition and subtraction word problems within 100 - 02 - Losing tennis balls.webm 4.07MB
  7734. Math/13 - Geometry - 03 - Congruence/02 - Congruence postulates - 10 - Figuring out all the angles for congruent triangles example.webm 4.07MB
  7735. Partner content/15 - LeBron asks - 01 - LeBron asks/01 - LeBron asks - 02 - LeBron Asks_ How does shooting a basketball illustrate Newton's 3rd Law_.webm 4.06MB
  7736. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/05 - Multiplication by powers of 10 - 01 - Powers of 10_ patterns.webm 4.06MB
  7737. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 11 - Whether a special quadrilateral can exist.webm 4.06MB
  7738. Math/11 - Algebra I - 07 - Quadratic equations/04 - The quadratic formula (quadratic equation) - 06 - Example 3_ Using the quadratic formula.webm 4.06MB
  7739. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/02 - Comparing and sampling populations - 02 - Reasonable samples.webm 4.06MB
  7740. Math/16 - Probability and statistics - 03 - Statistical studies/01 - Statistical questions - 03 - Reasonable samples.webm 4.06MB
  7741. Math/18 - Differential calculus - 02 - Taking derivatives/07 - Chain rule - 02 - Chain rule introduction.webm 4.05MB
  7742. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/02 - Unit conversion - 01 - Unit conversion_ minutes to hours.webm 4.05MB
  7743. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/03 - Slope of a line - 01 - Slope of a line.webm 4.05MB
  7744. Math/10 - Algebra basics - 04 - Graphing lines and slope/04 - Slope of a line - 01 - Slope of a line.webm 4.05MB
  7745. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/06 - Slope - 01 - Slope of a line.webm 4.05MB
  7746. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 02 - 2 Course reviews.webm 4.05MB
  7747. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 02 - 2 Course reviews.webm 4.05MB
  7748. Math/17 - Precalculus - 01 - Vectors/03 - Vectors in magnitude and direction form - 03 - Unit vector in same direction.webm 4.05MB
  7749. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 48 - GMAT_ Math 48.webm 4.05MB
  7750. Science/06 - Health and medicine - 12 - Executive systems of the brain/03 - Sleep and consciousness - 01 - States of consciousness.webm 4.04MB
  7751. Test prep/02 - MCAT - 06 - Processing the environment/08 - Sleep and consciousness - 01 - States of consciousness.webm 4.04MB
  7752. Math/11 - Algebra I - 08 - Exponent expressions and equations/04 - Simplifying radical expressions - 03 - Multiply and simplify a radical expression 1.webm 4.04MB
  7753. Math/18 - Differential calculus - 03 - Derivative applications/10 - L'Hôpital's rule - 05 - L'Hopital's Rule to solve for variable.webm 4.04MB
  7754. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/04 - Area and perimeter - 02 - Area and perimeter word problem_ table dimensions.webm 4.04MB
  7755. Math/09 - Pre-algebra - 09 - Measurement/03 - Rectangle area and perimeter word problems - 01 - Area and perimeter word problem_ table dimensions.webm 4.04MB
  7756. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/13 - Average rate of change - 02 - Average rate of change (example 2).webm 4.04MB
  7757. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 08 - Symbolic interactionism.webm 4.04MB
  7758. Partner content/07 - Exploratorium - 01 - Light and color/02 - Colored shadows - 01 - Colored Shadows_ Introduction.webm 4.04MB
  7759. Partner content/16 - The Brookings Institution - 01 - Introduction to health care in the U.S./01 - Introduction to health care in the U.S. - 05 - Paying for medicines_ copays and deductibles.webm 4.04MB
  7760. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 11 - 15 Linear model.webm 4.04MB
  7761. Science/07 - Discoveries and projects - 01 - Discoveries/06 - Discovery of resistors - 04 - Listen to variable resistance.webm 4.04MB
  7762. Partner content/12 - Stanford School of Medicine - 02 - Influenza/01 - Influenza - 06 - Flu Vaccine Risks and Benefits.webm 4.03MB
  7763. Math/11 - Algebra I - 03 - Linear inequalities/02 - Compound and absolute value inequalities - 04 - Compound inequalities 3.webm 4.03MB
  7764. Computing/01 - Computer programming - 04 - HTML_CSS_ Making webpages/07 - Further learning - 01 - HTML validation.webm 4.03MB
  7765. Math/18 - Differential calculus - 01 - Limits/01 - Limits - 03 - Estimating limit numerically.webm 4.03MB
  7766. Math/18 - Differential calculus - 02 - Taking derivatives/03 - Introduction to derivatives - 07 - Formal and alternate form of the derivative.webm 4.02MB
  7767. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/04 - Solving systems with elimination - 04 - Addition elimination method 2.webm 4.02MB
  7768. Math/11 - Algebra I - 05 - Systems of equations and inequalities/06 - Solving systems with elimination (addition-elimination) - 04 - Addition elimination method 2.webm 4.02MB
  7769. Math/19 - Integral calculus - 02 - Integration techniques/02 - u-substitution - 01 - u-substitution.webm 4.02MB
  7770. Math/03 - 4th grade (U.S.) - 03 - Fractions/01 - Equivalent fractions - 05 - Equivalent fraction word problem example 3.webm 4.02MB
  7771. Math/08 - Arithmetic - 05 - Fractions/02 - Visualizing equivalent fractions - 04 - Equivalent fraction word problem example 3.webm 4.02MB
  7772. Math/09 - Pre-algebra - 04 - Fractions/02 - Visualizing equivalent fractions - 04 - Equivalent fraction word problem example 3.webm 4.02MB
  7773. Arts and humanities/09 - Becoming modern - 05 - The avant-garde_ Realism, Impressionism and Post-Impressionism/02 - Realism - 05 - Millet, L'Angelus.webm 4.02MB
  7774. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 09 - Surface integral ex2 part 1_ Parameterizing the surface.webm 4.01MB
  7775. Math/18 - Differential calculus - 02 - Taking derivatives/11 - Proofs of derivatives of common functions - 02 - Proof_ d_dx(e^x) _ e^x.webm 4.01MB
  7776. Science/06 - Health and medicine - 12 - Executive systems of the brain/04 - Memory - 07 - Decay and interference.webm 4.00MB
  7777. Test prep/02 - MCAT - 06 - Processing the environment/09 - Memory - 07 - Decay and interference.webm 4.00MB
  7778. Test prep/02 - MCAT - 01 - Biomolecules/05 - Gene control - 07 - Tumor suppressors.webm 4.00MB
  7779. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 04 - Rational equations.webm 4.00MB
  7780. Math/14 - Algebra II - 04 - Rational expressions/05 - Solving rational equations - 02 - Rational equations.webm 4.00MB
  7781. Math/19 - Integral calculus - 01 - Integrals/06 - Fundamental theorem of calculus - 04 - Both bounds being a function of x.webm 4.00MB
  7782. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/02 - Surface integrals - 14 - Surface integral ex3 part 4_ Home stretch.webm 4.00MB
  7783. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 01 - Seasons aren't dictated by closeness to sun.webm 4.00MB
  7784. Science/06 - Health and medicine - 06 - Respiratory system diseases/07 - Pulmonary hypertension - 01 - What is pulmonary hypertension_.webm 4.00MB
  7785. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 01 - What is pulmonary hypertension_.webm 4.00MB
  7786. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/01 - Body and mind - 01 - 'Naked Authority' with Joan R. Mertens.webm 3.99MB
  7787. Science/06 - Health and medicine - 10 - Endocrine system diseases/01 - Diabetes - 03 - Glucose concentration conversion.webm 3.99MB
  7788. Math/10 - Algebra basics - 04 - Graphing lines and slope/06 - Constructing equations in slope-intercept form - 08 - Slope intercept form from table.webm 3.98MB
  7789. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/08 - Constructing equations in slope-intercept form - 09 - Slope intercept form from table.webm 3.98MB
  7790. Math/03 - 4th grade (U.S.) - 03 - Fractions/09 - Adding fractions with unlike denominators - 01 - Adding fractions with unlike denominators_ units of 10.webm 3.98MB
  7791. Math/08 - Arithmetic - 05 - Fractions/07 - Adding and subtracting fractions with unlike denominators - 01 - Adding fractions with unlike denominators_ units of 10.webm 3.98MB
  7792. Math/09 - Pre-algebra - 04 - Fractions/06 - Adding and subtracting fractions with unlike denominators - 01 - Adding fractions with unlike denominators_ units of 10.webm 3.98MB
  7793. Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 10 - Married taxes clarification.webm 3.98MB
  7794. Math/18 - Differential calculus - 01 - Limits/06 - Limits and infinity - 06 - Limits with two horizontal asymptotes.webm 3.98MB
  7795. Math/16 - Probability and statistics - 05 - Random variables and probability distributions/03 - Binomial distribution - 04 - Generalizing k scores in n attempts.webm 3.98MB
  7796. Math/04 - 5th grade (U.S.) - 02 - Fractions/03 - Multiplying fractions - 07 - Multiplication as scaling.webm 3.97MB
  7797. Math/08 - Arithmetic - 05 - Fractions/09 - Multiplying fractions - 05 - Multiplication as scaling.webm 3.97MB
  7798. Math/09 - Pre-algebra - 04 - Fractions/09 - Multiplying fractions - 05 - Multiplication as scaling.webm 3.97MB
  7799. Math/04 - 5th grade (U.S.) - 01 - Arithmetic operations/04 - Dividing by two digits - 01 - Dividing by two digits example 1.webm 3.97MB
  7800. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/06 - Probability and compound events - 07 - Test taking probability and independent events.webm 3.97MB
  7801. Math/16 - Probability and statistics - 01 - Independent and dependent events/03 - Compound, independent events - 07 - Test taking probability and independent events.webm 3.97MB
  7802. Math/17 - Precalculus - 05 - Probability and combinatorics/03 - Compound, independent events - 09 - Test taking probability and independent events.webm 3.97MB
  7803. Economics and finance/01 - Microeconomics - 01 - Supply, demand and market equilibrium/02 - The demand curve - 04 - Changes in income, population, or preferences.webm 3.97MB
  7804. Partner content/12 - Stanford School of Medicine - 03 - Growth and Metabolism/01 - Growth and Metabolism - 04 - Cycle of Malnutrition.webm 3.97MB
  7805. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 05 - Data on Chinese M1 increase in 2010.webm 3.97MB
  7806. Test prep/02 - MCAT - 06 - Processing the environment/13 - Drug dependence - 01 - Psychoactive drugs_ Depressants and opiates.webm 3.97MB
  7807. Math/19 - Integral calculus - 02 - Integration techniques/04 - Integration using trigonometric identities - 02 - Integral of odd powered trig function with u substitution.webm 3.97MB
  7808. Math/11 - Algebra I - 09 - Functions/08 - Function inverses - 02 - Function invertibility.webm 3.96MB
  7809. Math/19 - Integral calculus - 01 - Integrals/07 - Evaluating definite integrals - 02 - Connecting the first and second fundamental theorems of calculus.webm 3.96MB
  7810. Math/10 - Algebra basics - 06 - Expressions and equations with exponents/01 - Negative exponents - 01 - Introduction to negative exponents.webm 3.96MB
  7811. Math/11 - Algebra I - 08 - Exponent expressions and equations/01 - Properties of exponents - 01 - Introduction to negative exponents.webm 3.96MB
  7812. Partner content/01 - The Metropolitan Museum of Art - 02 - Extravagant Inventions/01 - Extravagant Inventions - 01 - Demonstration of David Roentgen's Automaton of Queen Marie Antoinette, The Dulcimer Player.webm 3.96MB
  7813. Arts and humanities/09 - Becoming modern - 07 - America_ Civil War to the Gilded Age/01 - America_ Civil War to the Gilded Age - 07 - Cassatt, Breakfast in Bed.webm 3.96MB
  7814. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/07 - Computing with scientific notation - 02 - Multiplying in scientific notation example.webm 3.96MB
  7815. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/08 - Computing with scientific notation - 02 - Multiplying in scientific notation example.webm 3.96MB
  7816. Math/10 - Algebra basics - 01 - Foundations/10 - Computing with scientific notation - 02 - Multiplying in scientific notation example.webm 3.96MB
  7817. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 09 - Disc method rotating around vertical line.webm 3.96MB
  7818. Math/09 - Pre-algebra - 02 - Factors and multiples/01 - Divisibility tests - 04 - The why of the 9 divisibility rule.webm 3.96MB
  7819. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 27 - 12 Triangle angles.webm 3.96MB
  7820. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 16 - 16 Compound inequality with absolute value.webm 3.96MB
  7821. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/06 - Recognizing functions - 04 - Functional relationships 1.webm 3.95MB
  7822. Math/11 - Algebra I - 09 - Functions/02 - Recognizing functions - 06 - Functional relationships 1.webm 3.95MB
  7823. Math/14 - Algebra II - 02 - Functions and their graphs/04 - Recognizing functions - 06 - Functional relationships 1.webm 3.95MB
  7824. Math/14 - Algebra II - 03 - Polynomial and rational functions/08 - Factoring and roots of higher degree polynomials - 02 - Difference of cubes factoring.webm 3.95MB
  7825. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/07 - Nature - 05 - 'Atmospheric' with Malcolm Daniel.webm 3.95MB
  7826. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/04 - Hedge funds - 05 - Hedge fund strategies_ Long short 1.webm 3.95MB
  7827. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/03 - Inequalties _ Greater than and less than basics - 01 - Greater than and less than symbols.webm 3.94MB
  7828. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 02 - China pegs to dollar to keep trade imbalance.webm 3.94MB
  7829. Math/03 - 4th grade (U.S.) - 03 - Fractions/08 - Decimals and fractions - 06 - Comparing decimals example 1.webm 3.94MB
  7830. Math/08 - Arithmetic - 04 - Decimals/04 - Comparing decimals - 01 - Comparing decimals example 1.webm 3.94MB
  7831. Math/09 - Pre-algebra - 03 - Decimals/04 - Comparing decimals - 01 - Comparing decimals example 1.webm 3.94MB
  7832. Math/04 - 5th grade (U.S.) - 02 - Fractions/03 - Multiplying fractions - 02 - Multiplying two fractions_ an explanation.webm 3.94MB
  7833. Math/08 - Arithmetic - 05 - Fractions/09 - Multiplying fractions - 02 - Multiplying two fractions_ an explanation.webm 3.94MB
  7834. Math/09 - Pre-algebra - 04 - Fractions/09 - Multiplying fractions - 02 - Multiplying two fractions_ an explanation.webm 3.94MB
  7835. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 07 - CAHSEE practice_ Problems 20-22.webm 3.94MB
  7836. Math/18 - Differential calculus - 02 - Taking derivatives/09 - Implicit differentiation - 03 - Implicit derivative of (x-y)^2 _ x _ y - 1.webm 3.94MB
  7837. Math/01 - Early math - 03 - Addition and subtraction/04 - Word problems within 20 - 01 - Sea monsters and superheroes.webm 3.94MB
  7838. Science/06 - Health and medicine - 12 - Executive systems of the brain/04 - Memory - 04 - Retrieval_ Free recall, cued recall, and recognition.webm 3.94MB
  7839. Test prep/02 - MCAT - 06 - Processing the environment/09 - Memory - 04 - Retrieval_ Free recall, cued recall, and recognition.webm 3.94MB
  7840. Math/01 - Early math - 03 - Addition and subtraction/03 - Addition and subtraction within 20 - 03 - Subtracting within 20.webm 3.93MB
  7841. Math/08 - Arithmetic - 01 - Addition and subtraction/02 - Adding and subtracting within 20 - 03 - Subtracting within 20.webm 3.93MB
  7842. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/01 - United States - 01 - Hesse, Untitled.webm 3.93MB
  7843. Math/09 - Pre-algebra - 08 - Arithmetic properties/05 - Counting - 01 - Counting 1 exercise.webm 3.93MB
  7844. Math/14 - Algebra II - 02 - Functions and their graphs/07 - Piecewise functions - 05 - Finding a piecewise function definition from graph.webm 3.93MB
  7845. Science/07 - Discoveries and projects - 04 - Lego robotics/01 - Introduction - 03 - Introduction to programming.webm 3.92MB
  7846. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/04 - Stokes' theorem intuition and application - 05 - Conditions for stokes theorem.webm 3.92MB
  7847. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/05 - Proof of Stokes' theorem - 03 - Stokes' theorem proof part 3.webm 3.92MB
  7848. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/04 - Solving systems with elimination - 07 - Example 3_ Solving systems by elimination.webm 3.92MB
  7849. Math/11 - Algebra I - 05 - Systems of equations and inequalities/06 - Solving systems with elimination (addition-elimination) - 07 - Example 3_ Solving systems by elimination.webm 3.92MB
  7850. Math/13 - Geometry - 07 - Circles/01 - Circle arcs and sectors - 03 - Length of an arc that subtends a central angle.webm 3.92MB
  7851. Math/08 - Arithmetic - 05 - Fractions/11 - Mixed numbers and improper fractions - 04 - Converting mixed numbers to improper fractions.webm 3.92MB
  7852. Math/09 - Pre-algebra - 04 - Fractions/11 - Mixed numbers and improper fractions - 04 - Converting mixed numbers to improper fractions.webm 3.92MB
  7853. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/06 - Systems word problems - 03 - Systems of equation to realize you are getting ripped off.webm 3.92MB
  7854. Math/11 - Algebra I - 05 - Systems of equations and inequalities/07 - Systems of equations word problems - 03 - Systems of equation to realize you are getting ripped off.webm 3.92MB
  7855. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 17 - 16 Possible values for t.webm 3.92MB
  7856. Science/06 - Health and medicine - 12 - Executive systems of the brain/04 - Memory - 03 - Retrieval cues.webm 3.92MB
  7857. Test prep/02 - MCAT - 06 - Processing the environment/09 - Memory - 03 - Retrieval cues.webm 3.92MB
  7858. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/06 - Solving basic equations - 03 - One-step equation intuition.webm 3.91MB
  7859. Math/11 - Algebra I - 01 - Introduction to algebra/06 - The why of algebra - 03 - One-step equation intuition.webm 3.91MB
  7860. Math/11 - Algebra I - 02 - Linear equations/01 - The why of algebra - 03 - One-step equation intuition.webm 3.91MB
  7861. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 07 - 7 Perimeter.webm 3.91MB
  7862. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 04 - Review of China US currency situation.webm 3.91MB
  7863. Math/18 - Differential calculus - 01 - Limits/06 - Limits and infinity - 05 - More limits at infinity.webm 3.91MB
  7864. Science/06 - Health and medicine - 04 - Circulatory system diseases/10 - Cyanotic heart diseases - 06 - Total anomalous pulmonary venous return.webm 3.91MB
  7865. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/04 - Cyanotic heart diseases - 06 - Total anomalous pulmonary venous return.webm 3.91MB
  7866. Arts and humanities/07 - Renaissance and Reformation - 01 - Early Renaissance in Italy/03 - Painting in Florence - 10 - Fra Filippo Lippi, Madonna and Child.webm 3.91MB
  7867. Math/04 - 5th grade (U.S.) - 02 - Fractions/04 - Dividing fractions - 02 - Using fractions as division to create mixed numbers.webm 3.91MB
  7868. Math/18 - Differential calculus - 02 - Taking derivatives/04 - Visualizing graphs of functions and their derivatives - 07 - Intuitively drawing the derivative of a function.webm 3.91MB
  7869. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/01 - Aggregate demand and aggregate supply - 03 - Long-run aggregate supply.webm 3.90MB
  7870. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/02 - Multiplying and dividing negative numbers - 04 - Dividing positive and negative numbers.webm 3.90MB
  7871. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/03 - Multiplying and dividing negative numbers - 04 - Dividing positive and negative numbers.webm 3.90MB
  7872. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/03 - Multiplying and dividing negative numbers - 04 - Dividing positive and negative numbers.webm 3.90MB
  7873. Math/10 - Algebra basics - 01 - Foundations/01 - Negative numbers - 08 - Dividing positive and negative numbers.webm 3.90MB
  7874. Math/17 - Precalculus - 01 - Vectors/03 - Vectors in magnitude and direction form - 01 - Unit vectors.webm 3.90MB
  7875. Test prep/02 - MCAT - 08 - Individuals and society/05 - Biological explanations of social behavior in animals - 02 - Mating behavior and inclusive fitness.webm 3.89MB
  7876. Math/09 - Pre-algebra - 02 - Factors and multiples/01 - Divisibility tests - 03 - The why of the 3 divisibility rule.webm 3.89MB
  7877. Math/13 - Geometry - 02 - Angles and intersecting lines/01 - Angle basics and measurement - 06 - Vertical, adjacent and linearly paired angles.webm 3.89MB
  7878. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 05 - Patterns in sequences 2.webm 3.89MB
  7879. Math/01 - Early math - 03 - Addition and subtraction/04 - Word problems within 20 - 03 - Comparison word problems.webm 3.89MB
  7880. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/02 - Sequence convergence and divergence - 01 - Convergent and divergent sequences.webm 3.89MB
  7881. Math/20 - Multivariable calculus - 05 - Divergence theorem/01 - Divergence theorem (3D) - 03 - Why we got zero flux in divergence theorem example 1.webm 3.89MB
  7882. Science/03 - Chemistry - 02 - Chemical reactions and stoichiometry/01 - Balancing chemical equations - 05 - Balancing chemical equation with substitution.webm 3.89MB
  7883. Test prep/02 - MCAT - 04 - Physical processes/29 - Balancing chemical equations - 05 - Balancing chemical equation with substitution.webm 3.89MB
  7884. Math/11 - Algebra I - 03 - Linear inequalities/02 - Compound and absolute value inequalities - 03 - Compound inequalities 2.webm 3.88MB
  7885. Math/05 - 6th grade (U.S.) - 06 - Geometry/02 - Finding area - 03 - Area of a trapezoid.webm 3.88MB
  7886. Math/12 - Basic geometry - 05 - Area and perimeter/01 - Area and perimeter of polygons - 04 - Area of a trapezoid.webm 3.88MB
  7887. Math/13 - Geometry - 06 - Perimeter, area, and volume/06 - Perimeter and area of non-standard shapes - 04 - Area of a trapezoid.webm 3.88MB
  7888. Science/04 - Organic chemistry - 06 - Alkenes and alkynes/01 - Naming alkenes - 02 - cis-trans and E-Z naming scheme for alkenes.webm 3.87MB
  7889. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/05 - Counting outcomes for compound events - 03 - Count outcomes using tree diagram.webm 3.87MB
  7890. Math/13 - Geometry - 02 - Angles and intersecting lines/04 - Sal's old angle videos - 05 - Angles of parallel lines 2.webm 3.87MB
  7891. Math/10 - Algebra basics - 06 - Expressions and equations with exponents/02 - Exponent properties - 05 - Exponent properties 2.webm 3.87MB
  7892. Math/11 - Algebra I - 08 - Exponent expressions and equations/02 - Exponent properties examples with variables - 04 - Exponent properties 2.webm 3.87MB
  7893. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/04 - Sight (vision) - 06 - Visual field processing.webm 3.86MB
  7894. Test prep/02 - MCAT - 06 - Processing the environment/02 - Sight (vision) - 06 - Visual field processing.webm 3.86MB
  7895. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/02 - Real and nominal return - 03 - Relation between nominal and real returns and inflation.webm 3.86MB
  7896. Economics and finance/03 - Finance and capital markets - 03 - Inflation/03 - Real and nominal return - 03 - Relation between nominal and real returns and inflation.webm 3.86MB
  7897. Math/18 - Differential calculus - 01 - Limits/07 - Squeeze theorem - 02 - Squeeze theorem exercise example.webm 3.86MB
  7898. Math/03 - 4th grade (U.S.) - 03 - Fractions/01 - Equivalent fractions - 01 - Intro to equivalent fractions.webm 3.85MB
  7899. Math/19 - Integral calculus - 02 - Integration techniques/02 - u-substitution - 07 - u-substitution and back substitution.webm 3.84MB
  7900. Test prep/02 - MCAT - 03 - Organ systems/14 - Gastrointestinal system - 10 - Hepatic lobule.webm 3.84MB
  7901. Test prep/03 - NCLEX-RN - 11 - Gastrointestinal system/01 - Gastrointestinal system - 10 - Hepatic lobule.webm 3.84MB
  7902. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/06 - Factoring by grouping - 08 - Example 6_ Factoring by grouping.webm 3.84MB
  7903. Math/14 - Algebra II - 03 - Polynomial and rational functions/01 - Factoring quadratics - 11 - Example 6_ Factoring by grouping.webm 3.84MB
  7904. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/01 - System for solving the King's problems - 07 - Systems with elimination practice.webm 3.84MB
  7905. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/04 - Solving systems with elimination - 09 - Systems with elimination practice.webm 3.84MB
  7906. Math/11 - Algebra I - 05 - Systems of equations and inequalities/01 - A system for solving the King's problems - 07 - Systems with elimination practice.webm 3.84MB
  7907. Math/11 - Algebra I - 05 - Systems of equations and inequalities/06 - Solving systems with elimination (addition-elimination) - 09 - Systems with elimination practice.webm 3.84MB
  7908. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 07 - Systems with elimination practice.webm 3.84MB
  7909. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/04 - Equivalent expressions - 01 - Combining like terms.webm 3.84MB
  7910. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/02 - Manipulating expressions - 01 - Combining like terms.webm 3.84MB
  7911. Math/10 - Algebra basics - 02 - Algebraic expressions/02 - Manipulating expressions - 01 - Combining like terms.webm 3.84MB
  7912. Math/11 - Algebra I - 01 - Introduction to algebra/03 - Manipulating expressions - 01 - Combining like terms.webm 3.84MB
  7913. Math/17 - Precalculus - 06 - Sequences, series and induction/05 - Infinite geometric series - 05 - Vertical distance of bouncing ball.webm 3.84MB
  7914. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/04 - Geometric series - 07 - Vertical distance of bouncing ball.webm 3.84MB
  7915. Math/11 - Algebra I - 08 - Exponent expressions and equations/04 - Simplifying radical expressions - 05 - Simplifying square roots comment response.webm 3.83MB
  7916. Test prep/02 - MCAT - 09 - Society and culture/03 - Culture - 03 - Subculture vs counterculture.webm 3.83MB
  7917. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 06 - 6 Sea Islands.webm 3.83MB
  7918. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 06 - 6 Sea Islands.webm 3.83MB
  7919. Math/19 - Integral calculus - 01 - Integrals/04 - Properties of the definite integral - 05 - Definite integral of shifted function.webm 3.82MB
  7920. Math/19 - Integral calculus - 01 - Integrals/03 - Riemann sums - 08 - Riemann sums and integrals.webm 3.82MB
  7921. Math/19 - Integral calculus - 01 - Integrals/07 - Evaluating definite integrals - 01 - Riemann sums and integrals.webm 3.82MB
  7922. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/01 - The modern U.S. Supreme Court on privacy and civil liberties - 04 - DNA Surveillance and Maryland v. King.webm 3.82MB
  7923. Partner content/03 - The British Museum - 03 - Asia/04 - Afghanistan - 03 - Afghanistan_ Afghan crown arrives at the British Museum.webm 3.82MB
  7924. Math/19 - Integral calculus - 02 - Integration techniques/03 - Reverse chain rule - 03 - Integral of tan x.webm 3.82MB
  7925. Math/08 - Arithmetic - 05 - Fractions/12 - Mixed number addition and subtraction - 05 - Subtracting mixed numbers 2.webm 3.82MB
  7926. Math/09 - Pre-algebra - 04 - Fractions/12 - Mixed number addition and subtraction - 05 - Subtracting mixed numbers 2.webm 3.82MB
  7927. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/04 - Square roots and cube roots - 02 - Finding cube roots.webm 3.82MB
  7928. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/03 - The cube root - 01 - Finding cube roots.webm 3.82MB
  7929. Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 01 - Basics of US income tax rate schedule.webm 3.82MB
  7930. Math/08 - Arithmetic - 01 - Addition and subtraction/04 - Subtracting within 1000 - 10 - Regrouping (borrowing) twice example.webm 3.81MB
  7931. Math/13 - Geometry - 03 - Congruence/01 - Transformations and congruence - 03 - Example of rigid transformation and congruence.webm 3.81MB
  7932. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 14 - Put-call parity arbitrage I.webm 3.81MB
  7933. Math/19 - Integral calculus - 01 - Integrals/04 - Properties of the definite integral - 06 - Switching bounds of definite integral.webm 3.81MB
  7934. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 09 - Change of base formula proof.webm 3.81MB
  7935. Math/16 - Probability and statistics - 02 - Probability and combinatorics/01 - Permutations - 05 - Example_ Ways to arrange colors.webm 3.81MB
  7936. Math/17 - Precalculus - 05 - Probability and combinatorics/05 - Permutations - 05 - Example_ Ways to arrange colors.webm 3.81MB
  7937. Math/04 - 5th grade (U.S.) - 02 - Fractions/03 - Multiplying fractions - 04 - Multiplying fractions_ visualizing.webm 3.81MB
  7938. Math/17 - Precalculus - 04 - Imaginary and complex numbers/03 - Factoring using imaginary numbers - 01 - Factoring sum of squares.webm 3.81MB
  7939. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/04 - Dinosaur fossils - 04 - How are dinosaur fossils prepared in the laboratory_.webm 3.81MB
  7940. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 10 - 10 Oil imports.webm 3.81MB
  7941. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 10 - 10 Oil imports.webm 3.81MB
  7942. Science/06 - Health and medicine - 02 - Human anatomy and physiology/08 - Skeletal system introduction - 02 - Microscopic structure of bone - the Haversian system.webm 3.81MB
  7943. Test prep/02 - MCAT - 03 - Organ systems/16 - Skeletal system - 02 - Microscopic structure of bone - the Haversian system.webm 3.81MB
  7944. Test prep/03 - NCLEX-RN - 13 - Skeletal system/01 - Skeletal system - 02 - Microscopic structure of bone - the Haversian system.webm 3.81MB
  7945. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 10 - Long straddle.webm 3.80MB
  7946. Math/09 - Pre-algebra - 08 - Arithmetic properties/09 - Arithmetic properties - 07 - Properties of numbers 1.webm 3.80MB
  7947. Science/07 - Discoveries and projects - 01 - Discoveries/04 - Discovery of batteries - 08 - Electrolyte (temperature test).webm 3.80MB
  7948. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/01 - Reading and interpreting data - 11 - Reading pie graphs (circle graphs).webm 3.80MB
  7949. Math/14 - Algebra II - 02 - Functions and their graphs/10 - Comparing and interpreting functions - 01 - Interpreting features of functions (example 1).webm 3.79MB
  7950. Test prep/01 - SAT - 03 - SAT Math practice/01 - SAT Math_ Level 1 - 01 - 4 Rate of change in water tank.webm 3.79MB
  7951. Math/05 - 6th grade (U.S.) - 03 - Negative numbers/02 - Absolute value - 05 - Absolute value word problems.webm 3.79MB
  7952. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/04 - Absolute value - 05 - Absolute value word problems.webm 3.79MB
  7953. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/04 - Absolute value - 05 - Absolute value word problems.webm 3.79MB
  7954. Math/10 - Algebra basics - 01 - Foundations/02 - Absolute value - 02 - Absolute value word problems.webm 3.79MB
  7955. Science/06 - Health and medicine - 12 - Executive systems of the brain/04 - Memory - 09 - Alzheimer's disease and Korsakoff's syndrome.webm 3.79MB
  7956. Test prep/02 - MCAT - 06 - Processing the environment/09 - Memory - 09 - Alzheimer's disease and Korsakoff's syndrome.webm 3.79MB
  7957. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/05 - Exponents with negative bases - 04 - Raising a number to the 0 and 1st power.webm 3.78MB
  7958. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/02 - Positive and negative exponents - 02 - Raising a number to the 0 and 1st power.webm 3.78MB
  7959. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/01 - The world of exponents - 05 - Raising a number to the 0 and 1st power.webm 3.78MB
  7960. Math/10 - Algebra basics - 01 - Foundations/03 - The world of exponents - 04 - Raising a number to the 0 and 1st power.webm 3.78MB
  7961. Math/03 - 4th grade (U.S.) - 05 - Geometry/03 - Interpreting and constructing angles - 07 - Identifying parallel and perpendicular lines.webm 3.78MB
  7962. Math/07 - 8th grade (U.S.) - 05 - Geometry/02 - Angles between intersecting lines - 02 - Identifying parallel and perpendicular lines.webm 3.78MB
  7963. Math/12 - Basic geometry - 02 - Angles/02 - Interpreting angles - 07 - Identifying parallel and perpendicular lines.webm 3.78MB
  7964. Math/12 - Basic geometry - 02 - Angles/03 - Relationships between angles - 04 - Identifying parallel and perpendicular lines.webm 3.78MB
  7965. Math/13 - Geometry - 02 - Angles and intersecting lines/02 - Angles between intersecting and parallel lines - 05 - Identifying parallel and perpendicular lines.webm 3.78MB
  7966. Math/19 - Integral calculus - 03 - Integration applications/02 - Average value of a function - 02 - Calculating average value of function over interval.webm 3.78MB
  7967. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 09 - Backwardation bullish or bearish.webm 3.78MB
  7968. Math/10 - Algebra basics - 04 - Graphing lines and slope/06 - Constructing equations in slope-intercept form - 04 - Finding a linear equation given a point and slope.webm 3.78MB
  7969. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/08 - Constructing equations in slope-intercept form - 05 - Finding a linear equation given a point and slope.webm 3.78MB
  7970. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/02 - Positive and negative exponents - 07 - Negative exponent intuition.webm 3.78MB
  7971. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/05 - Negative and fractional exponents - 02 - Negative exponent intuition.webm 3.78MB
  7972. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/02 - Sequence convergence and divergence - 03 - Definition of limit of a sequence and sequence convergence.webm 3.77MB
  7973. Science/02 - Physics - 02 - Two-dimensional motion/03 - Centripetal acceleration - 06 - Loop de loop question.webm 3.77MB
  7974. Math/18 - Differential calculus - 02 - Taking derivatives/07 - Chain rule - 08 - Chain rule with triple composition.webm 3.77MB
  7975. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/05 - Tests for convergence and divergence - 06 - Comparison test to show convergence.webm 3.76MB
  7976. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/01 - Concept of multiplication and division - 01 - Intro to multiplication.webm 3.76MB
  7977. Math/08 - Arithmetic - 02 - Multiplication and division/01 - Concept of multiplication and division - 01 - Intro to multiplication.webm 3.76MB
  7978. Math/02 - 3rd grade (U.S.) - 03 - Fractions/02 - Comparing fractions - 04 - Comparing fractions visually and on number line.webm 3.76MB
  7979. Math/14 - Algebra II - 09 - Matrices/01 - Basic matrix operations - 01 - Introduction to the matrix.webm 3.75MB
  7980. Math/17 - Precalculus - 02 - Matrices/01 - Basic matrix operations - 01 - Introduction to the matrix.webm 3.75MB
  7981. Partner content/17 - The Aspen Institute - 04 - Civil liberties, privacy, and the Constitution/02 - How the Constitution deals with civil liberties and privacy in an age of technological change - 02 - The Preamble of the U.S. Constitution.webm 3.75MB
  7982. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/04 - Stokes' theorem intuition and application - 07 - Stokes example part 2_ Parameterizing the surface.webm 3.75MB
  7983. Math/07 - 8th grade (U.S.) - 06 - Data and modeling/03 - Patterns in data - 01 - Smoking in 1945.webm 3.75MB
  7984. Partner content/12 - Stanford School of Medicine - 05 - Breastfeeding/01 - Breastfeeding - 01 - Breast Anatomy.webm 3.75MB
  7985. Math/15 - Trigonometry - 04 - Trig identities and examples/05 - Law of cosines and law of sines - 01 - Law of cosines.webm 3.75MB
  7986. Science/02 - Physics - 03 - Forces and Newton's laws of motion/04 - Slow sock on Lubricon VI - 01 - Slow sock on Lubricon VI.webm 3.74MB
  7987. Test prep/02 - MCAT - 04 - Physical processes/06 - Normal forces - 04 - Slow sock on Lubricon VI.webm 3.74MB
  7988. Math/18 - Differential calculus - 01 - Limits/04 - Continuity using limits - 02 - Limit and function defined at point of discontinuity.webm 3.74MB
  7989. Math/14 - Algebra II - 03 - Polynomial and rational functions/10 - Binomial theorem - 05 - Connecting Pascal's triangle to binomial combinatorics.webm 3.74MB
  7990. Math/13 - Geometry - 12 - Geometric constructions/02 - Constructing regular polygons inscribed in circles - 03 - Constructing regular hexagon inscribed in circle.webm 3.74MB
  7991. Math/19 - Integral calculus - 03 - Integration applications/02 - Average value of a function - 01 - Average value of a function over a closed interval.webm 3.74MB
  7992. Math/06 - 7th grade (U.S.) - 05 - Geometry/02 - Scale drawings - 01 - Interpreting a scale drawing.webm 3.74MB
  7993. Math/12 - Basic geometry - 05 - Area and perimeter/03 - Scale drawings - 01 - Interpreting a scale drawing.webm 3.74MB
  7994. Partner content/07 - Exploratorium - 02 - Chemistry/02 - Penny Battery - 03 - What's going on_ Chemical energy into electrical energy.webm 3.74MB
  7995. Math/14 - Algebra II - 02 - Functions and their graphs/05 - Composing functions - 04 - Modeling with function composition.webm 3.74MB
  7996. Math/19 - Integral calculus - 05 - AP Calculus practice questions/02 - Calculus BC sample questions - 15 - 2011 Calculus BC free response #6c.webm 3.73MB
  7997. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 11 - Comparing linear functions applications 3.webm 3.73MB
  7998. Math/11 - Algebra I - 09 - Functions/07 - Analyzing linear functions - 08 - Comparing linear functions applications 3.webm 3.73MB
  7999. Math/01 - Early math - 03 - Addition and subtraction/07 - Addition and subtraction word problems within 100 - 07 - More word problems.webm 3.73MB
  8000. Math/18 - Differential calculus - 03 - Derivative applications/10 - L'Hôpital's rule - 03 - L'Hôpital's rule example 2.webm 3.73MB
  8001. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/05 - Working with rational numbers - 06 - Rational number word problem with decimals.webm 3.73MB
  8002. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 06 - Rational number word problem with decimals.webm 3.73MB
  8003. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 06 - Rational number word problem with decimals.webm 3.73MB
  8004. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/04 - Cross topic arithmetic - 04 - Rational number word problem with decimals.webm 3.73MB
  8005. Partner content/19 - Big History Project - 02 - 2. The Big Bang/02 - 2.1—The Big Bang - 02 - Threshold 1_ The Big Bang.webm 3.72MB
  8006. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/03 - Slope of a line - 06 - Slope example.webm 3.72MB
  8007. Math/10 - Algebra basics - 04 - Graphing lines and slope/04 - Slope of a line - 06 - Slope example.webm 3.72MB
  8008. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/06 - Slope - 06 - Slope example.webm 3.72MB
  8009. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 09 - Floating exchange effect on China.webm 3.72MB
  8010. Math/18 - Differential calculus - 02 - Taking derivatives/10 - Derivatives of inverse functions - 01 - Derivative of inverse sine.webm 3.72MB
  8011. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 10 - Futures curves II.webm 3.72MB
  8012. Math/05 - 6th grade (U.S.) - 06 - Geometry/03 - Volume and surface area - 02 - Volume of a rectangular prism_ fractional cubes.webm 3.72MB
  8013. Math/12 - Basic geometry - 06 - Volume and surface area/01 - Volume of prisms - 02 - Volume of a rectangular prism_ fractional cubes.webm 3.72MB
  8014. Math/05 - 6th grade (U.S.) - 07 - Data and statistics/05 - Box plots - 01 - Box and whisker plot.webm 3.71MB
  8015. Math/16 - Probability and statistics - 04 - Descriptive statistics/02 - Box-and-whisker plots - 01 - Box and whisker plot.webm 3.71MB
  8016. Math/11 - Algebra I - 08 - Exponent expressions and equations/03 - Fractional exponents - 01 - Basic fractional exponents.webm 3.71MB
  8017. Math/11 - Algebra I - 07 - Quadratic equations/01 - Solving quadratics by taking square root - 03 - Order of steps exercise example.webm 3.71MB
  8018. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 11 - Put writer payoff diagrams.webm 3.71MB
  8019. Math/11 - Algebra I - 07 - Quadratic equations/06 - Graphing quadratics - 06 - Graphing a parabola using roots and vertex.webm 3.71MB
  8020. Math/18 - Differential calculus - 02 - Taking derivatives/04 - Visualizing graphs of functions and their derivatives - 09 - Visualizing derivatives exercise.webm 3.71MB
  8021. Math/06 - 7th grade (U.S.) - 05 - Geometry/03 - Area and circumference of circles - 03 - Area of a circle.webm 3.71MB
  8022. Math/10 - Algebra basics - 01 - Foundations/12 - Circumference and area of circles - 03 - Area of a circle.webm 3.71MB
  8023. Math/12 - Basic geometry - 05 - Area and perimeter/02 - Area and circumference of circles - 03 - Area of a circle.webm 3.71MB
  8024. Math/13 - Geometry - 06 - Perimeter, area, and volume/05 - Circumference and area of circles - 03 - Area of a circle.webm 3.71MB
  8025. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 06 - 12 Percent of toy sales.webm 3.70MB
  8026. Math/07 - 8th grade (U.S.) - 05 - Geometry/02 - Angles between intersecting lines - 04 - Using algebra to find measures of angles formed from transversal.webm 3.70MB
  8027. Math/13 - Geometry - 02 - Angles and intersecting lines/02 - Angles between intersecting and parallel lines - 07 - Using algebra to find measures of angles formed from transversal.webm 3.70MB
  8028. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/01 - Rational and irrational numbers - 05 - Converting repeating decimals to fractions 1.webm 3.70MB
  8029. Math/11 - Algebra I - 02 - Linear equations/08 - Converting repeating decimals to fractions - 01 - Converting repeating decimals to fractions 1.webm 3.70MB
  8030. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 03 - Adding and subtracting rational expressions 3.webm 3.70MB
  8031. Math/14 - Algebra II - 04 - Rational expressions/02 - Adding and subtracting rational expressions - 05 - Adding and subtracting rational expressions 3.webm 3.70MB
  8032. Math/14 - Algebra II - 03 - Polynomial and rational functions/15 - Advanced structure in expressions - 01 - Structure in rational expression.webm 3.70MB
  8033. Math/10 - Algebra basics - 07 - Quadratics and polynomials/03 - Factoring quadratic expressions - 03 - Example 1_ Factoring quadratic expressions.webm 3.70MB
  8034. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/04 - Factoring quadratic expressions - 03 - Example 1_ Factoring quadratic expressions.webm 3.70MB
  8035. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 09 - Challenge example_ Sum of integers.webm 3.70MB
  8036. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/04 - Metric system unit conversion - 02 - Converting within the metric system.webm 3.70MB
  8037. Math/18 - Differential calculus - 03 - Derivative applications/09 - Mean value theorem - 02 - Finding where the derivative is equal to the average change.webm 3.70MB
  8038. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 03 - 16 Satisfying constraints.webm 3.68MB
  8039. Math/09 - Pre-algebra - 02 - Factors and multiples/04 - Prime factorization - 03 - The fundamental theorem of arithmetic.webm 3.68MB
  8040. Math/11 - Algebra I - 08 - Exponent expressions and equations/02 - Exponent properties examples with variables - 09 - Exponent properties 7.webm 3.68MB
  8041. Math/02 - 3rd grade (U.S.) - 03 - Fractions/02 - Comparing fractions - 07 - Whole numbers as fractions.webm 3.68MB
  8042. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/03 - Series - 11 - Divergence of telescoping series.webm 3.68MB
  8043. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 05 - How fast did dinosaurs grow, and how long did they live_.webm 3.68MB
  8044. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 08 - Put as insurance.webm 3.67MB
  8045. Math/04 - 5th grade (U.S.) - 02 - Fractions/02 - More adding and subtracting fractions, and mixed numbers - 02 - Subtracting fractions with unlike denominators_ word problem.webm 3.67MB
  8046. Math/08 - Arithmetic - 05 - Fractions/08 - Adding and subtracting with unlike denominator word problems - 02 - Subtracting fractions with unlike denominators_ word problem.webm 3.67MB
  8047. Math/09 - Pre-algebra - 04 - Fractions/08 - Adding and subtracting with unlike denominator word problems - 02 - Subtracting fractions with unlike denominators_ word problem.webm 3.67MB
  8048. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/04 - Other fronts of World War I - 02 - Serbian losses in World War I.webm 3.67MB
  8049. Math/19 - Integral calculus - 03 - Integration applications/06 - Solids of revolution - shell method - 05 - Calculating integral with shell method.webm 3.67MB
  8050. Math/11 - Algebra I - 02 - Linear equations/10 - Absolute value equations - 06 - Absolute value equation example.webm 3.67MB
  8051. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/02 - Manipulating expressions - 05 - Combining like terms, but more complicated.webm 3.66MB
  8052. Math/11 - Algebra I - 01 - Introduction to algebra/03 - Manipulating expressions - 05 - Combining like terms, but more complicated.webm 3.66MB
  8053. Math/19 - Integral calculus - 03 - Integration applications/02 - Average value of a function - 03 - Average acceleration over interval.webm 3.66MB
  8054. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/01 - Writing expressions - 02 - Why aren't we using the multiplication sign_.webm 3.66MB
  8055. Math/10 - Algebra basics - 02 - Algebraic expressions/01 - Variables and expressions - 02 - Why aren't we using the multiplication sign_.webm 3.66MB
  8056. Math/11 - Algebra I - 01 - Introduction to algebra/02 - Variables and expressions - 02 - Why aren't we using the multiplication sign_.webm 3.66MB
  8057. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 05 - Put vs. short and leverage.webm 3.65MB
  8058. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 08 - 8 Total videos rented.webm 3.65MB
  8059. Science/06 - Health and medicine - 02 - Human anatomy and physiology/07 - Muscular system introduction - 11 - Autonomic vs somatic nervous system.webm 3.65MB
  8060. Test prep/02 - MCAT - 03 - Organ systems/15 - Muscular system - 11 - Autonomic vs somatic nervous system.webm 3.65MB
  8061. Test prep/03 - NCLEX-RN - 12 - Muscular system/01 - Muscular system - 11 - Autonomic vs somatic nervous system.webm 3.65MB
  8062. Math/06 - 7th grade (U.S.) - 05 - Geometry/03 - Area and circumference of circles - 06 - Impact of a radius change on the area of a circle.webm 3.65MB
  8063. Math/12 - Basic geometry - 05 - Area and perimeter/02 - Area and circumference of circles - 06 - Impact of a radius change on the area of a circle.webm 3.65MB
  8064. Math/14 - Algebra II - 06 - Logarithms/01 - Logarithm basics - 06 - Plotting points of logarithmic function.webm 3.65MB
  8065. Math/11 - Algebra I - 10 - Ratios and proportions/02 - Advanced ratios, proportions, and rates - 04 - Another take on the rate problem.webm 3.65MB
  8066. Math/14 - Algebra II - 07 - Imaginary and complex numbers/02 - Complex numbers - 01 - Introduction to complex numbers.webm 3.65MB
  8067. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/02 - Quasars and galactive collisions - 03 - Galactic collisions.webm 3.65MB
  8068. Science/02 - Physics - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 02 - Optimal angle for a projectile part 2_ Hangtime.webm 3.64MB
  8069. Math/18 - Differential calculus - 02 - Taking derivatives/07 - Chain rule - 04 - Chain rule for derivative of 2^x.webm 3.64MB
  8070. Test prep/02 - MCAT - 06 - Processing the environment/01 - Sensory perception - 04 - Absolute threshold of sensation.webm 3.64MB
  8071. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/06 - Factoring by grouping - 04 - Example 2_ Factoring by grouping.webm 3.64MB
  8072. Math/10 - Algebra basics - 04 - Graphing lines and slope/06 - Constructing equations in slope-intercept form - 03 - Linear equation from slope and a point.webm 3.63MB
  8073. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/08 - Constructing equations in slope-intercept form - 04 - Linear equation from slope and a point.webm 3.63MB
  8074. Math/14 - Algebra II - 03 - Polynomial and rational functions/06 - Synthetic division - 02 - Synthetic division example 2.webm 3.63MB
  8075. Science/06 - Health and medicine - 12 - Executive systems of the brain/02 - Attention and language - 04 - Theories of language development_ Nativist, learning, interactionist.webm 3.63MB
  8076. Test prep/02 - MCAT - 06 - Processing the environment/10 - Language - 02 - Theories of language development_ Nativist, learning, interactionist.webm 3.63MB
  8077. Science/07 - Discoveries and projects - 03 - Robots/03 - Spout Bot without Solder - 02 - Connect the SPDT switches.webm 3.63MB
  8078. Test prep/02 - MCAT - 02 - Cells/02 - Cell-cell interactions - 01 - Cell Junctions.webm 3.63MB
  8079. Partner content/04 - The Museum of Modern Art - 07 - Performance Art/01 - Performance Art - 06 - Marina Abramović_ Documenting performance.webm 3.62MB
  8080. Test prep/02 - MCAT - 01 - Biomolecules/10 - Principles of bioenergetics - 03 - Heat transfer.webm 3.62MB
  8081. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/02 - Seismic waves and how we know earth's structure - 02 - Why S-waves only travel in solids.webm 3.62MB
  8082. Math/19 - Integral calculus - 02 - Integration techniques/01 - Integration by parts - 02 - Antiderivative of xcosx using integration by parts.webm 3.62MB
  8083. Computing/02 - Computer science - 02 - Journey into cryptography/01 - Ancient cryptography - 05 - Frequency stability property short film.webm 3.62MB
  8084. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/06 - Chinese currency and U.S. debt - 03 - China buys US bonds.webm 3.62MB
  8085. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 09 - Put-call parity.webm 3.61MB
  8086. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/07 - Power series function representation using algebra - 03 - Function as geometric series.webm 3.61MB
  8087. Math/02 - 3rd grade (U.S.) - 04 - Measurement and geometry/01 - Area - 01 - Introduction to area and unit squares.webm 3.61MB
  8088. Math/09 - Pre-algebra - 09 - Measurement/01 - Area basics - 01 - Introduction to area and unit squares.webm 3.61MB
  8089. Math/14 - Algebra II - 03 - Polynomial and rational functions/10 - Binomial theorem - 06 - Algorithm for mentally computing binomial expansion coefficients.webm 3.60MB
  8090. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 04 - Open market operations and quantitative easing overview.webm 3.60MB
  8091. Science/06 - Health and medicine - 02 - Human anatomy and physiology/06 - Nervous system introduction - 01 - Introduction to neural cell types.webm 3.59MB
  8092. Test prep/02 - MCAT - 03 - Organ systems/02 - Neural cells - 01 - Introduction to neural cell types.webm 3.59MB
  8093. Math/03 - 4th grade (U.S.) - 03 - Fractions/01 - Equivalent fractions - 03 - Equivalent fraction word problem example.webm 3.59MB
  8094. Math/08 - Arithmetic - 05 - Fractions/02 - Visualizing equivalent fractions - 02 - Equivalent fraction word problem example.webm 3.59MB
  8095. Math/09 - Pre-algebra - 04 - Fractions/02 - Visualizing equivalent fractions - 02 - Equivalent fraction word problem example.webm 3.59MB
  8096. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/09 - Multiplying polynomials - 03 - Multiplying polynomials example 2.webm 3.59MB
  8097. Math/14 - Algebra II - 03 - Polynomial and rational functions/04 - Adding and multiplying polynomials - 04 - Multiplying polynomials example 2.webm 3.59MB
  8098. Math/18 - Differential calculus - 02 - Taking derivatives/04 - Visualizing graphs of functions and their derivatives - 06 - Figuring out which function is the derivative.webm 3.59MB
  8099. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/03 - Word problems_ moving between units of measurement - 05 - Units of measurement word problem_ volume (metric).webm 3.59MB
  8100. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/03 - Unit measurement word problems - 02 - Units of measurement word problem_ volume (metric).webm 3.59MB
  8101. Math/01 - Early math - 03 - Addition and subtraction/04 - Word problems within 20 - 04 - More comparison word problems.webm 3.59MB
  8102. Science/06 - Health and medicine - 04 - Circulatory system diseases/10 - Cyanotic heart diseases - 11 - Cyanotic heart diseases - Diagnosis and treatment.webm 3.59MB
  8103. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/04 - Cyanotic heart diseases - 11 - Cyanotic heart diseases - Diagnosis and treatment.webm 3.59MB
  8104. Test prep/02 - MCAT - 07 - Behavior/04 - Theories of personality - 02 - Maslow's hierarchy of needs.webm 3.58MB
  8105. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/02 - Shorting stock - 01 - Basic shorting.webm 3.58MB
  8106. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 02 - Basic shorting.webm 3.58MB
  8107. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 04 - Futures margin mechanics.webm 3.58MB
  8108. Math/11 - Algebra I - 08 - Exponent expressions and equations/02 - Exponent properties examples with variables - 02 - Evaluating exponential expressions 3.webm 3.58MB
  8109. Math/02 - 3rd grade (U.S.) - 03 - Fractions/02 - Comparing fractions - 03 - Equivalent fractions visually and on number line.webm 3.57MB
  8110. Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 04 - Diffie-hellman key exchange.webm 3.57MB
  8111. Math/16 - Probability and statistics - 07 - Inferential statistics/06 - Hypothesis testing with two samples - 04 - Clarification of confidence interval of difference of means.webm 3.57MB
  8112. Arts and humanities/11 - Toward a global culture - 02 - Identity, the body and the subversion of Modernism/01 - United States - 08 - Sherrie Levine, Untitled (After Edward Weston, ca. 1925).webm 3.57MB
  8113. Math/17 - Precalculus - 02 - Matrices/05 - Geometric transformations with matrices - 01 - Transformation matrix for position vector.webm 3.57MB
  8114. Science/06 - Health and medicine - 12 - Executive systems of the brain/03 - Sleep and consciousness - 05 - Hypnosis and meditation.webm 3.57MB
  8115. Test prep/02 - MCAT - 06 - Processing the environment/08 - Sleep and consciousness - 07 - Hypnosis and meditation.webm 3.57MB
  8116. Math/13 - Geometry - 10 - Transformations/03 - Dilations or scaling around a point - 01 - Dilating one line onto another.webm 3.57MB
  8117. Math/11 - Algebra I - 02 - Linear equations/12 - Evaluating expressions with unknown variables - 01 - Evaluating expressions where individual variable values are unknown.webm 3.56MB
  8118. Math/01 - Early math - 04 - Measurement and data/01 - Measurement - 01 - Measuring a golden statue.webm 3.56MB
  8119. Science/07 - Discoveries and projects - 04 - Lego robotics/02 - Light guitar - 03 - Math block.webm 3.56MB
  8120. Science/07 - Discoveries and projects - 04 - Lego robotics/05 - Programming basics - 06 - Math block.webm 3.56MB
  8121. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 06 - Convergence on macro scale.webm 3.56MB
  8122. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/02 - Multiplying and dividing negative numbers - 06 - Why dividing by zero is undefined.webm 3.56MB
  8123. Math/14 - Algebra II - 02 - Functions and their graphs/11 - Undefined and indeterminate answers - 01 - Why dividing by zero is undefined.webm 3.56MB
  8124. Math/11 - Algebra I - 02 - Linear equations/14 - Old school equations with Sal - 12 - Age word problems 3.webm 3.55MB
  8125. Science/06 - Health and medicine - 12 - Executive systems of the brain/03 - Sleep and consciousness - 03 - Dreaming.webm 3.55MB
  8126. Test prep/02 - MCAT - 06 - Processing the environment/08 - Sleep and consciousness - 03 - Dreaming.webm 3.55MB
  8127. Math/03 - 4th grade (U.S.) - 07 - Place value and rounding/01 - Place value - 02 - Writing a number in standard form.webm 3.55MB
  8128. Math/09 - Pre-algebra - 08 - Arithmetic properties/01 - Place value - 02 - Writing a number in standard form.webm 3.55MB
  8129. Math/11 - Algebra I - 01 - Introduction to algebra/09 - Working with units algebraically - 05 - Mileage assumption example.webm 3.55MB
  8130. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/03 - The cube root - 02 - Cube root of a non-perfect cube.webm 3.55MB
  8131. Math/14 - Algebra II - 07 - Imaginary and complex numbers/02 - Complex numbers - 06 - Complex conjugates example.webm 3.55MB
  8132. Math/17 - Precalculus - 04 - Imaginary and complex numbers/04 - Multiplying and dividing complex numbers - 03 - Complex conjugates example.webm 3.55MB
  8133. Science/07 - Discoveries and projects - 01 - Discoveries/04 - Discovery of batteries - 03 - Electrolyte test (pure water vs. vinegar).webm 3.55MB
  8134. Math/15 - Trigonometry - 04 - Trig identities and examples/01 - Symmetry and periodicity of trig functions - 04 - Periodicity of tan example.webm 3.54MB
  8135. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/03 - Two-step word problems - 02 - Total seats in a theater.webm 3.54MB
  8136. Math/14 - Algebra II - 03 - Polynomial and rational functions/05 - Dividing polynomials - 02 - Polynomial divided by monomial.webm 3.54MB
  8137. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/02 - Regrouping decimal numbers - 01 - Regrouping whole numbers.webm 3.54MB
  8138. Math/09 - Pre-algebra - 08 - Arithmetic properties/04 - Regrouping whole numbers - 01 - Regrouping whole numbers.webm 3.54MB
  8139. Math/18 - Differential calculus - 03 - Derivative applications/07 - Applying differentiation in different fields - 01 - Derivative and marginal cost.webm 3.54MB
  8140. Math/16 - Probability and statistics - 01 - Independent and dependent events/05 - Basic set operations - 04 - Subset, strict subset, and superset.webm 3.54MB
  8141. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/05 - Exponents with negative bases - 01 - Exponents with negative bases.webm 3.54MB
  8142. Math/08 - Arithmetic - 05 - Fractions/04 - Comparing fractions - 02 - Comparing fractions with like numerators and denominators.webm 3.54MB
  8143. Math/09 - Pre-algebra - 04 - Fractions/04 - Comparing fractions - 02 - Comparing fractions with like numerators and denominators.webm 3.54MB
  8144. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/01 - Ratios - 01 - Introduction to ratios.webm 3.53MB
  8145. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/04 - Inverse trig functions - 08 - Inverse tangent scenario.webm 3.53MB
  8146. Arts and humanities/11 - Toward a global culture - 03 - Conceptual and Performance art/01 - Conceptual and Performance art - 12 - Marina Abramović_ The Body as medium.webm 3.53MB
  8147. Partner content/04 - The Museum of Modern Art - 07 - Performance Art/01 - Performance Art - 05 - Marina Abramović_ The Body as medium.webm 3.53MB
  8148. Math/05 - 6th grade (U.S.) - 03 - Negative numbers/02 - Absolute value - 04 - Comparing absolute values.webm 3.53MB
  8149. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/04 - Absolute value - 04 - Comparing absolute values.webm 3.53MB
  8150. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/04 - Absolute value - 04 - Comparing absolute values.webm 3.53MB
  8151. Math/14 - Algebra II - 02 - Functions and their graphs/09 - Properties and features of functions - 05 - Recognizing features of functions (example 2).webm 3.52MB
  8152. Math/14 - Algebra II - 06 - Logarithms/03 - Natural logarithms - 01 - Natural logarithm with a calculator.webm 3.52MB
  8153. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/02 - Unit conversion - 05 - Converting metric and U.S. customary units of weight.webm 3.52MB
  8154. Math/01 - Early math - 05 - Geometry/01 - Recognizing shapes - 01 - Cousin Fal's shape collection.webm 3.52MB
  8155. Math/04 - 5th grade (U.S.) - 02 - Fractions/03 - Multiplying fractions - 06 - Multiplying two fractions_ number line approach.webm 3.52MB
  8156. Partner content/15 - LeBron asks - 01 - LeBron asks/01 - LeBron asks - 01 - LeBron Asks_ What muscles do we use when shooting a basket_.webm 3.51MB
  8157. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/03 - Evaluating expressions with variables - 05 - Evaluating an expression in a word problem.webm 3.51MB
  8158. Math/10 - Algebra basics - 02 - Algebraic expressions/01 - Variables and expressions - 05 - Evaluating an expression in a word problem.webm 3.51MB
  8159. Math/11 - Algebra I - 01 - Introduction to algebra/02 - Variables and expressions - 09 - Evaluating an expression in a word problem.webm 3.51MB
  8160. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/03 - Series - 08 - Alternate formula for sum of n squares.webm 3.51MB
  8161. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/03 - Unit measurement word problems - 03 - Unit measurement word problem_ distance (US customary).webm 3.51MB
  8162. Math/14 - Algebra II - 07 - Imaginary and complex numbers/01 - The imaginary unit i - 03 - Imaginary roots of negative numbers.webm 3.51MB
  8163. Math/17 - Precalculus - 04 - Imaginary and complex numbers/01 - The imaginary unit i - 03 - Imaginary roots of negative numbers.webm 3.51MB
  8164. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/03 - Deflation - 03 - Deflation despite increases in money supply.webm 3.50MB
  8165. Economics and finance/03 - Finance and capital markets - 03 - Inflation/05 - Deflation - 03 - Deflation despite increases in money supply.webm 3.50MB
  8166. Math/13 - Geometry - 06 - Perimeter, area, and volume/08 - Cross sections of 3D objects - 02 - Rotating 2D shapes in 3D.webm 3.50MB
  8167. Math/17 - Precalculus - 02 - Matrices/04 - Zero and identity matrices - 03 - Zero matrix.webm 3.50MB
  8168. Math/11 - Algebra I - 01 - Introduction to algebra/09 - Working with units algebraically - 02 - Figuring out units from formula.webm 3.50MB
  8169. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/03 - Surrealism - 05 - Giacometti, The Palace at 4am.webm 3.49MB
  8170. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 01 - Forward contract introduction.webm 3.49MB
  8171. Economics and finance/03 - Finance and capital markets - 06 - Stocks and bonds/09 - Bonds - 06 - Annual interest varying with debt maturity.webm 3.49MB
  8172. Math/10 - Algebra basics - 07 - Quadratics and polynomials/03 - Factoring quadratic expressions - 02 - Examples_ Factoring simple quadratics.webm 3.48MB
  8173. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/04 - Factoring quadratic expressions - 02 - Examples_ Factoring simple quadratics.webm 3.48MB
  8174. Math/14 - Algebra II - 03 - Polynomial and rational functions/01 - Factoring quadratics - 02 - Examples_ Factoring simple quadratics.webm 3.48MB
  8175. Math/17 - Precalculus - 04 - Imaginary and complex numbers/07 - Challenging complex number problems - 03 - IIT JEE complex numbers (part 3).webm 3.48MB
  8176. Test prep/06 - IIT JEE - 01 - IIT JEE/01 - IIT JEE - 16 - IIT JEE complex numbers (part 3).webm 3.48MB
  8177. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/04 - Inflationary and deflationary scenarios - 03 - Deflationary spiral.webm 3.48MB
  8178. Economics and finance/03 - Finance and capital markets - 03 - Inflation/05 - Deflation - 04 - Deflationary spiral.webm 3.48MB
  8179. Math/04 - 5th grade (U.S.) - 01 - Arithmetic operations/05 - Dividing decimals - 05 - Dividing decimals with hundredths.webm 3.48MB
  8180. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/06 - Dividing decimals - 01 - Dividing decimals with hundredths.webm 3.48MB
  8181. Math/10 - Algebra basics - 01 - Foundations/08 - Operations with decimals - 07 - Dividing decimals with hundredths.webm 3.48MB
  8182. Math/01 - Early math - 03 - Addition and subtraction/01 - Basic addition and subtraction - 04 - Making 5.webm 3.48MB
  8183. Math/18 - Differential calculus - 02 - Taking derivatives/02 - Using secant line slopes to approximate tangent slope - 02 - Slope of a secant line example 1.webm 3.48MB
  8184. Test prep/01 - SAT - 02 - Full-length SAT/03 - Section 3 - 04 - 4 Economists.webm 3.48MB
  8185. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/03 - Full-length SAT_ Section 3 - 04 - 4 Economists.webm 3.48MB
  8186. Math/09 - Pre-algebra - 09 - Measurement/03 - Rectangle area and perimeter word problems - 02 - Finding width from perimeter and length.webm 3.48MB
  8187. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/02 - Trig problems on the unit circle - 02 - Unit circle manipulative.webm 3.47MB
  8188. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/01 - Measuring with metric and U.S. customary units_ intro - 03 - Metric system_ units of weight.webm 3.47MB
  8189. Math/01 - Early math - 03 - Addition and subtraction/05 - Addition within 100 - 05 - Addition using groups of 10 intro.webm 3.47MB
  8190. Math/17 - Precalculus - 04 - Imaginary and complex numbers/02 - Complex number introduction - 01 - Introduction to complex numbers.webm 3.47MB
  8191. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/04 - Stokes' theorem intuition and application - 04 - Orientation and stokes.webm 3.47MB
  8192. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 01 - 14 Bread combinations.webm 3.47MB
  8193. Test prep/02 - MCAT - 09 - Society and culture/01 - Social structures - 07 - Social constructionism.webm 3.47MB
  8194. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/06 - Interest rate swaps - 01 - Interest rate swap 1.webm 3.47MB
  8195. Math/13 - Geometry - 07 - Circles/03 - Equation of a circle - 04 - Completing the square to write equation in standard form of a circle.webm 3.46MB
  8196. Math/14 - Algebra II - 08 - Conic sections/02 - Circles - 02 - Completing the square to write equation in standard form of a circle.webm 3.46MB
  8197. Math/03 - 4th grade (U.S.) - 03 - Fractions/07 - Multiplying whole numbers and fractions - 04 - Multiplying fractions word problem_ movie marathon.webm 3.46MB
  8198. Math/04 - 5th grade (U.S.) - 02 - Fractions/05 - Multiplying fractions word problems - 01 - Multiplying fractions word problem_ movie marathon.webm 3.46MB
  8199. Math/08 - Arithmetic - 05 - Fractions/10 - Multiplying fractions word problems - 01 - Multiplying fractions word problem_ movie marathon.webm 3.46MB
  8200. Math/09 - Pre-algebra - 04 - Fractions/10 - Multiplying fractions word problems - 01 - Multiplying fractions word problem_ movie marathon.webm 3.46MB
  8201. Science/07 - Discoveries and projects - 01 - Discoveries/01 - Discovery of magnetism - 01 - Discovery of magnetism.webm 3.46MB
  8202. Math/09 - Pre-algebra - 08 - Arithmetic properties/09 - Arithmetic properties - 11 - Identity property of 0.webm 3.46MB
  8203. Math/13 - Geometry - 01 - Introduction to Euclidean geometry/01 - Introduction to Euclidean geometry - 05 - Specifying planes in three dimensions.webm 3.45MB
  8204. Economics and finance/03 - Finance and capital markets - 07 - Investment vehicles, insurance and retirement/03 - Life insurance - 02 - Term and whole life insurance policies 2.webm 3.45MB
  8205. Math/04 - 5th grade (U.S.) - 01 - Arithmetic operations/03 - Multiplying whole numbers and decimals - 06 - Multiplying challenging decimals.webm 3.45MB
  8206. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/02 - Multiplying decimals - 01 - Multiplying challenging decimals.webm 3.45MB
  8207. Math/08 - Arithmetic - 04 - Decimals/06 - Multiplying decimals - 05 - Multiplying challenging decimals.webm 3.45MB
  8208. Math/09 - Pre-algebra - 03 - Decimals/06 - Multiplying decimals - 05 - Multiplying challenging decimals.webm 3.45MB
  8209. Math/10 - Algebra basics - 01 - Foundations/08 - Operations with decimals - 06 - Multiplying challenging decimals.webm 3.45MB
  8210. Math/10 - Algebra basics - 01 - Foundations/11 - Perimeter and area of triangles - 03 - Area of diagonal generated triangles of rectangle are equal.webm 3.45MB
  8211. Math/13 - Geometry - 06 - Perimeter, area, and volume/01 - Perimeter and area of triangles - 04 - Area of diagonal generated triangles of rectangle are equal.webm 3.45MB
  8212. Math/03 - 4th grade (U.S.) - 05 - Geometry/02 - Angles - 06 - Measuring angles using a protractor.webm 3.44MB
  8213. Math/12 - Basic geometry - 02 - Angles/01 - Angle basics - 06 - Measuring angles using a protractor.webm 3.44MB
  8214. Math/13 - Geometry - 02 - Angles and intersecting lines/01 - Angle basics and measurement - 03 - Measuring angles using a protractor.webm 3.44MB
  8215. Math/19 - Integral calculus - 03 - Integration applications/08 - Area defined by polar graphs - 04 - Evaluating definite integral with calculator.webm 3.44MB
  8216. Math/19 - Integral calculus - 03 - Integration applications/06 - Solids of revolution - shell method - 04 - Shell method with two functions of x.webm 3.44MB
  8217. Test prep/02 - MCAT - 06 - Processing the environment/13 - Drug dependence - 03 - Psychoactive drugs_ Hallucinogens.webm 3.44MB
  8218. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 04 - Call option as leverage.webm 3.44MB
  8219. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/05 - National income and inequality - 02 - Difference between wealth and income.webm 3.44MB
  8220. Math/17 - Precalculus - 06 - Sequences, series and induction/05 - Infinite geometric series - 03 - Geometric series convergence and divergence examples.webm 3.44MB
  8221. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/04 - Geometric series - 05 - Geometric series convergence and divergence examples.webm 3.44MB
  8222. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/03 - Comparing decimals - 01 - Comparing decimals_ difference in largest place value.webm 3.43MB
  8223. Math/08 - Arithmetic - 04 - Decimals/04 - Comparing decimals - 03 - Comparing decimals_ difference in largest place value.webm 3.43MB
  8224. Math/09 - Pre-algebra - 03 - Decimals/04 - Comparing decimals - 03 - Comparing decimals_ difference in largest place value.webm 3.43MB
  8225. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 07 - Solving rational equations 3.webm 3.43MB
  8226. Math/14 - Algebra II - 04 - Rational expressions/05 - Solving rational equations - 05 - Solving rational equations 3.webm 3.43MB
  8227. Math/17 - Precalculus - 06 - Sequences, series and induction/04 - Finite geometric series - 02 - Geometric series.webm 3.43MB
  8228. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/04 - Geometric series - 01 - Geometric series.webm 3.43MB
  8229. Test prep/02 - MCAT - 06 - Processing the environment/13 - Drug dependence - 05 - Routes of drug entry.webm 3.43MB
  8230. Math/11 - Algebra I - 03 - Linear inequalities/02 - Compound and absolute value inequalities - 08 - Absolute value inequalities example 2.webm 3.43MB
  8231. Math/20 - Multivariable calculus - 05 - Divergence theorem/03 - Divergence theorem proof - 05 - Divergence theorem proof (part 5).webm 3.43MB
  8232. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/05 - Tests for convergence and divergence - 04 - Comparison test.webm 3.43MB
  8233. Math/02 - 3rd grade (U.S.) - 03 - Fractions/01 - What fractions mean - 01 - Fraction basics.webm 3.43MB
  8234. Math/18 - Differential calculus - 02 - Taking derivatives/07 - Chain rule - 07 - Chain rule example using visual information.webm 3.43MB
  8235. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/03 - Word problems_ moving between units of measurement - 06 - Units of measurement word problem_ distance.webm 3.42MB
  8236. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/02 - Solving linear systems graphically - 05 - Example 2_ Graphically solving systems.webm 3.42MB
  8237. Math/11 - Algebra I - 05 - Systems of equations and inequalities/03 - Solving systems graphically - 05 - Example 2_ Graphically solving systems.webm 3.42MB
  8238. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/05 - Solving equations and inequalities with substitution - 02 - Testing solutions to equation.webm 3.42MB
  8239. Science/04 - Organic chemistry - 05 - Substitution and elimination reactions/04 - Sn1_Sn2_E1_E2 - 02 - E2 E1 Sn2 Sn1 reactions example 2.webm 3.42MB
  8240. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/05 - American art to World War II - 02 - O'Keeffe, The Lawrence Tree.webm 3.42MB
  8241. Math/17 - Precalculus - 06 - Sequences, series and induction/05 - Infinite geometric series - 01 - Sum of an infinite geometric series.webm 3.42MB
  8242. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/04 - Geometric series - 03 - Sum of an infinite geometric series.webm 3.42MB
  8243. Math/01 - Early math - 03 - Addition and subtraction/08 - Addition and subtraction within 1000 - 04 - Subtracting 3 digits.webm 3.42MB
  8244. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/01 - Radians - 02 - Rotation by radians and quadrants.webm 3.42MB
  8245. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/05 - Percent word problems - 04 - Percent word problem example 4.webm 3.41MB
  8246. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/06 - Percent word problems - 03 - Percent word problem example 4.webm 3.41MB
  8247. Math/08 - Arithmetic - 04 - Decimals/10 - Percent word problems - 03 - Percent word problem example 4.webm 3.41MB
  8248. Math/09 - Pre-algebra - 03 - Decimals/10 - Percent word problems - 03 - Percent word problem example 4.webm 3.41MB
  8249. Math/17 - Precalculus - 06 - Sequences, series and induction/01 - Induction - 02 - Alternate proof to induction for integer sum.webm 3.41MB
  8250. Math/02 - 3rd grade (U.S.) - 03 - Fractions/02 - Comparing fractions - 05 - Generating equivalent fractions.webm 3.41MB
  8251. Math/03 - 4th grade (U.S.) - 03 - Fractions/01 - Equivalent fractions - 02 - Visualizing equivalent fractions.webm 3.41MB
  8252. Math/08 - Arithmetic - 05 - Fractions/02 - Visualizing equivalent fractions - 01 - Visualizing equivalent fractions.webm 3.41MB
  8253. Math/09 - Pre-algebra - 04 - Fractions/02 - Visualizing equivalent fractions - 01 - Visualizing equivalent fractions.webm 3.41MB
  8254. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/06 - Factoring by grouping - 07 - Example 5_ Factoring by grouping.webm 3.41MB
  8255. Math/14 - Algebra II - 03 - Polynomial and rational functions/01 - Factoring quadratics - 10 - Example 5_ Factoring by grouping.webm 3.41MB
  8256. Math/05 - 6th grade (U.S.) - 06 - Geometry/03 - Volume and surface area - 01 - Volume of a rectangular prism_ fractional dimensions.webm 3.41MB
  8257. Math/12 - Basic geometry - 06 - Volume and surface area/01 - Volume of prisms - 01 - Volume of a rectangular prism_ fractional dimensions.webm 3.41MB
  8258. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 05 - Comparing linear functions 3.webm 3.41MB
  8259. Math/11 - Algebra I - 09 - Functions/07 - Analyzing linear functions - 03 - Comparing linear functions 3.webm 3.41MB
  8260. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/05 - Multiplication by powers of 10 - 03 - Multiplying a decimal by a power of 10.webm 3.41MB
  8261. Math/08 - Arithmetic - 04 - Decimals/13 - Moving the decimal to multiply and divide by 10 - 01 - Multiplying a decimal by a power of 10.webm 3.41MB
  8262. Math/09 - Pre-algebra - 03 - Decimals/13 - Moving the decimal to multiply and divide by 10 - 01 - Multiplying a decimal by a power of 10.webm 3.41MB
  8263. Math/13 - Geometry - 12 - Geometric constructions/02 - Constructing regular polygons inscribed in circles - 02 - Constructing equilateral triangle inscribed in circle.webm 3.40MB
  8264. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/02 - Multiplying and dividing fractions - 01 - Multiplying negative and positive fractions.webm 3.40MB
  8265. Math/08 - Arithmetic - 05 - Fractions/09 - Multiplying fractions - 04 - Multiplying negative and positive fractions.webm 3.40MB
  8266. Math/09 - Pre-algebra - 04 - Fractions/09 - Multiplying fractions - 04 - Multiplying negative and positive fractions.webm 3.40MB
  8267. Math/10 - Algebra basics - 01 - Foundations/06 - Fractions - 03 - Multiplying negative and positive fractions.webm 3.40MB
  8268. Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 03 - The discrete logarithm problem.webm 3.40MB
  8269. Math/18 - Differential calculus - 02 - Taking derivatives/08 - Product and quotient rules - 05 - Quotient rule for derivative of tan x.webm 3.40MB
  8270. Math/07 - 8th grade (U.S.) - 02 - Solving equations/02 - Solving equations with distribution - 04 - Solving equations with the distributive property 2.webm 3.40MB
  8271. Math/11 - Algebra I - 02 - Linear equations/11 - Simplifying complicated equations - 03 - Solving equations with the distributive property 2.webm 3.40MB
  8272. Test prep/02 - MCAT - 09 - Society and culture/03 - Culture - 05 - Culture lag and culture shock.webm 3.40MB
  8273. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 15 - Multiplying and dividing rational expressions 3.webm 3.40MB
  8274. Math/14 - Algebra II - 04 - Rational expressions/06 - Multiplying and dividing rational expressions - 04 - Multiplying and dividing rational expressions 3.webm 3.40MB
  8275. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/03 - Series - 04 - Explicitly defining a series.webm 3.39MB
  8276. Math/02 - 3rd grade (U.S.) - 03 - Fractions/01 - What fractions mean - 03 - Fractions on a number line.webm 3.39MB
  8277. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 01 - American call options.webm 3.39MB
  8278. Test prep/02 - MCAT - 10 - Social inequality/01 - Social inequality - 01 - Intersectionality.webm 3.39MB
  8279. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/02 - Evaluating numerical expressions - 05 - Order of operations example_ putting it all together.webm 3.39MB
  8280. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/01 - Order of operations - 03 - Order of operations example_ putting it all together.webm 3.39MB
  8281. Math/09 - Pre-algebra - 08 - Arithmetic properties/07 - Order of operations - 03 - Order of operations example_ putting it all together.webm 3.39MB
  8282. Math/10 - Algebra basics - 01 - Foundations/05 - Order of operations - 03 - Order of operations example_ putting it all together.webm 3.39MB
  8283. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/04 - Adding and subtracting rational numbers - 02 - Adding, subtracting fractions, decimals, percentages.webm 3.38MB
  8284. Math/08 - Arithmetic - 04 - Decimals/14 - Adding and subtracting decimals, percentages, and fractions - 02 - Adding, subtracting fractions, decimals, percentages.webm 3.38MB
  8285. Math/09 - Pre-algebra - 03 - Decimals/14 - Adding and subtracting decimals percentages and fractions - 02 - Adding, subtracting fractions, decimals, percentages.webm 3.38MB
  8286. Math/08 - Arithmetic - 01 - Addition and subtraction/04 - Subtracting within 1000 - 08 - Borrowing once example 2.webm 3.38MB
  8287. Math/05 - 6th grade (U.S.) - 06 - Geometry/02 - Finding area - 05 - Finding area by rearranging parts.webm 3.38MB
  8288. Math/12 - Basic geometry - 05 - Area and perimeter/01 - Area and perimeter of polygons - 06 - Finding area by rearranging parts.webm 3.38MB
  8289. Partner content/05 - The J. Paul Getty Museum - 10 - For kids/01 - For kids - 03 - Blue gangster demon.webm 3.38MB
  8290. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/06 - Unit conversion - 04 - Unit conversion word problem_ roadtrip.webm 3.38MB
  8291. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 07 - Unit conversion word problem_ roadtrip.webm 3.38MB
  8292. Math/10 - Algebra basics - 07 - Quadratics and polynomials/01 - Factoring simple expressions - 02 - Factoring and the distributive property 2.webm 3.37MB
  8293. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/03 - Factoring simple expressions - 04 - Factoring and the distributive property 2.webm 3.37MB
  8294. Math/10 - Algebra basics - 04 - Graphing lines and slope/06 - Constructing equations in slope-intercept form - 05 - Equation of a line from fractional slope and point.webm 3.37MB
  8295. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/08 - Constructing equations in slope-intercept form - 06 - Equation of a line from fractional slope and point.webm 3.37MB
  8296. Math/14 - Algebra II - 03 - Polynomial and rational functions/07 - Polynomial remainder theorem - 04 - Constructing a polynomial that has a certain factor.webm 3.37MB
  8297. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/01 - Sequences - 04 - Geometric sequence or progression.webm 3.37MB
  8298. Math/13 - Geometry - 10 - Transformations/01 - Symmetry - 02 - Rotating polygons 180 degrees about their center.webm 3.36MB
  8299. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/03 - Solving systems with substitution - 05 - Substitution method 2.webm 3.36MB
  8300. Math/11 - Algebra I - 05 - Systems of equations and inequalities/05 - Solving systems with substitution - 05 - Substitution method 2.webm 3.36MB
  8301. Math/14 - Algebra II - 02 - Functions and their graphs/05 - Composing functions - 03 - Evaluating composite functions example.webm 3.36MB
  8302. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/02 - Manipulating expressions - 06 - Combining like terms and the distributive property.webm 3.36MB
  8303. Math/10 - Algebra basics - 02 - Algebraic expressions/02 - Manipulating expressions - 04 - Combining like terms and the distributive property.webm 3.36MB
  8304. Math/11 - Algebra I - 01 - Introduction to algebra/03 - Manipulating expressions - 06 - Combining like terms and the distributive property.webm 3.36MB
  8305. Math/14 - Algebra II - 01 - Systems of equations and inequalities/04 - Non-linear systems of equations - 09 - Systems of nonlinear equations 3.webm 3.36MB
  8306. Math/17 - Precalculus - 06 - Sequences, series and induction/07 - Deductive and inductive reasoning - 03 - Deductive reasoning 3.webm 3.36MB
  8307. Math/14 - Algebra II - 02 - Functions and their graphs/08 - Shifting and reflecting functions - 05 - Matching radical functions with graphs exercise example.webm 3.36MB
  8308. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/02 - Unit conversion - 02 - Unit conversion_ ordering metric distances.webm 3.36MB
  8309. Science/07 - Discoveries and projects - 01 - Discoveries/06 - Discovery of resistors - 03 - Variable resistor (pencil).webm 3.36MB
  8310. Science/06 - Health and medicine - 02 - Human anatomy and physiology/08 - Skeletal system introduction - 05 - Cartilage.webm 3.35MB
  8311. Test prep/02 - MCAT - 03 - Organ systems/16 - Skeletal system - 05 - Cartilage.webm 3.35MB
  8312. Test prep/03 - NCLEX-RN - 13 - Skeletal system/01 - Skeletal system - 05 - Cartilage.webm 3.35MB
  8313. Math/18 - Differential calculus - 03 - Derivative applications/09 - Mean value theorem - 04 - Maximizing function at value.webm 3.35MB
  8314. Math/07 - 8th grade (U.S.) - 02 - Solving equations/01 - Linear equations in one variable - 02 - Example 1_ Variables on both sides.webm 3.35MB
  8315. Math/10 - Algebra basics - 03 - Linear equations and inequalities/03 - Solving fancier linear equations - 02 - Example 1_ Variables on both sides.webm 3.35MB
  8316. Math/11 - Algebra I - 02 - Linear equations/05 - More fancy equations for beginners - 02 - Example 1_ Variables on both sides.webm 3.35MB
  8317. Economics and finance/03 - Finance and capital markets - 08 - Money, banking and central banks/02 - Quantitative easing - 05 - Another quantitative easing video.webm 3.35MB
  8318. Math/04 - 5th grade (U.S.) - 02 - Fractions/03 - Multiplying fractions - 08 - Multiplying mixed numbers.webm 3.35MB
  8319. Math/08 - Arithmetic - 05 - Fractions/13 - Mixed number multiplication and division - 02 - Multiplying mixed numbers.webm 3.35MB
  8320. Math/09 - Pre-algebra - 04 - Fractions/13 - Mixed number multiplication and division - 02 - Multiplying mixed numbers.webm 3.35MB
  8321. Math/17 - Precalculus - 04 - Imaginary and complex numbers/02 - Complex number introduction - 03 - Adding complex numbers and Argand Diagrams.webm 3.35MB
  8322. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 01 - Where in the world did dinosaurs live_.webm 3.35MB
  8323. Math/14 - Algebra II - 02 - Functions and their graphs/10 - Comparing and interpreting functions - 02 - Interpreting features of functions (example 2).webm 3.35MB
  8324. Math/03 - 4th grade (U.S.) - 07 - Place value and rounding/02 - Rounding whole numbers - 01 - Rounding whole numbers example 1.webm 3.35MB
  8325. Math/09 - Pre-algebra - 08 - Arithmetic properties/02 - Rounding whole numbers - 01 - Rounding whole numbers example 1.webm 3.35MB
  8326. Math/07 - 8th grade (U.S.) - 05 - Geometry/03 - Triangle angles - 01 - Proof_ Sum of measures of angles in a triangle are 180.webm 3.33MB
  8327. Math/10 - Algebra basics - 08 - Equations and geometry/01 - Angles with triangles and polygons - 01 - Proof_ Sum of measures of angles in a triangle are 180.webm 3.33MB
  8328. Math/12 - Basic geometry - 03 - Shapes/02 - Finding angles in shapes - 01 - Proof_ Sum of measures of angles in a triangle are 180.webm 3.33MB
  8329. Math/13 - Geometry - 02 - Angles and intersecting lines/03 - Angles with triangles and polygons - 01 - Proof_ Sum of measures of angles in a triangle are 180.webm 3.33MB
  8330. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 07 - Put payoff diagram.webm 3.33MB
  8331. Partner content/01 - The Metropolitan Museum of Art - 01 - 82nd and Fifth/04 - Dining - 01 - 'Fine Dining' with Chris Lightfoot.webm 3.32MB
  8332. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/03 - Dinosaur extinction - 02 - Are any dinosaurs still alive today_.webm 3.32MB
  8333. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/03 - Converting fractions and decimals - 10 - Converting a fraction to a repeating decimal.webm 3.31MB
  8334. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/01 - Rational and irrational numbers - 04 - Converting a fraction to a repeating decimal.webm 3.31MB
  8335. Math/08 - Arithmetic - 05 - Fractions/14 - Decimals and fractions - 13 - Converting a fraction to a repeating decimal.webm 3.31MB
  8336. Math/09 - Pre-algebra - 04 - Fractions/14 - Decimals and fractions - 13 - Converting a fraction to a repeating decimal.webm 3.31MB
  8337. Test prep/02 - MCAT - 09 - Society and culture/03 - Culture - 01 - Culture and society.webm 3.31MB
  8338. Math/16 - Probability and statistics - 04 - Descriptive statistics/03 - Variance and standard deviation - 11 - Exploring standard deviation 1 module.webm 3.30MB
  8339. Math/04 - 5th grade (U.S.) - 02 - Fractions/01 - Adding and subtracting fractions - 03 - Subtracting fractions_ different denominators.webm 3.30MB
  8340. Math/08 - Arithmetic - 05 - Fractions/07 - Adding and subtracting fractions with unlike denominators - 05 - Subtracting fractions_ different denominators.webm 3.30MB
  8341. Math/09 - Pre-algebra - 04 - Fractions/06 - Adding and subtracting fractions with unlike denominators - 05 - Subtracting fractions_ different denominators.webm 3.30MB
  8342. Math/11 - Algebra I - 03 - Linear inequalities/02 - Compound and absolute value inequalities - 02 - Compound inequalities.webm 3.30MB
  8343. Science/07 - Discoveries and projects - 09 - Discovery Lab 2012/01 - Discovery Lab 2012 - 03 - DLab_ Students present their computer science project.webm 3.30MB
  8344. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/05 - Sound (Audition) - 04 - Cochlear implants.webm 3.30MB
  8345. Test prep/02 - MCAT - 06 - Processing the environment/03 - Sound (Audition) - 04 - Cochlear implants.webm 3.30MB
  8346. Math/19 - Integral calculus - 01 - Integrals/03 - Riemann sums - 10 - Evaluating definite integral from graph.webm 3.30MB
  8347. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 14 - 17 Intersection of perpendicular lines.webm 3.29MB
  8348. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/05 - Working with rational numbers - 03 - Rational number word problem with fractions.webm 3.29MB
  8349. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/04 - Cross topic arithmetic - 01 - Rational number word problem with fractions.webm 3.29MB
  8350. Science/06 - Health and medicine - 04 - Circulatory system diseases/10 - Cyanotic heart diseases - 05 - Truncus arteriosus.webm 3.29MB
  8351. Test prep/03 - NCLEX-RN - 03 - Circulatory system diseases/04 - Cyanotic heart diseases - 05 - Truncus arteriosus.webm 3.29MB
  8352. Economics and finance/03 - Finance and capital markets - 04 - Taxes/01 - Personal taxes - 06 - Tax brackets and progressive taxation.webm 3.29MB
  8353. Science/07 - Discoveries and projects - 01 - Discoveries/03 - Measuring magnetic fields - 03 - Inverse cube law (deflection method).webm 3.29MB
  8354. Math/11 - Algebra I - 08 - Exponent expressions and equations/05 - Radical equations - 05 - Solving radical equations 3.webm 3.28MB
  8355. Math/14 - Algebra II - 02 - Functions and their graphs/10 - Comparing and interpreting functions - 04 - Comparing features of functions (example 2).webm 3.28MB
  8356. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/07 - Binary and hexadecimal number systems - 04 - Converting larger number from decimal to binary.webm 3.28MB
  8357. Math/14 - Algebra II - 03 - Polynomial and rational functions/07 - Polynomial remainder theorem - 03 - Polynomial remainder theorem to test factor.webm 3.28MB
  8358. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/01 - Neural cells and neurotransmitters - 06 - Ependymal cells.webm 3.28MB
  8359. Test prep/02 - MCAT - 03 - Organ systems/02 - Neural cells - 06 - Ependymal cells.webm 3.28MB
  8360. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 19 - Interpreting futures fair value in the premarket.webm 3.27MB
  8361. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/04 - Adding and subtracting rational numbers - 01 - Adding, subtracting numbers in different formats.webm 3.27MB
  8362. Math/08 - Arithmetic - 04 - Decimals/14 - Adding and subtracting decimals, percentages, and fractions - 01 - Adding, subtracting numbers in different formats.webm 3.27MB
  8363. Math/09 - Pre-algebra - 03 - Decimals/14 - Adding and subtracting decimals percentages and fractions - 01 - Adding, subtracting numbers in different formats.webm 3.27MB
  8364. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 06 - 6 Percent expenditure to actual expenditure.webm 3.27MB
  8365. Math/11 - Algebra I - 08 - Exponent expressions and equations/02 - Exponent properties examples with variables - 08 - Exponent properties 6.webm 3.27MB
  8366. Math/19 - Integral calculus - 03 - Integration applications/01 - Area between curves - 01 - Area between curves.webm 3.27MB
  8367. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/02 - Evaluating numerical expressions - 02 - Order of operations example.webm 3.26MB
  8368. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/01 - Order of operations - 02 - Order of operations example.webm 3.26MB
  8369. Math/09 - Pre-algebra - 08 - Arithmetic properties/07 - Order of operations - 02 - Order of operations example.webm 3.26MB
  8370. Math/10 - Algebra basics - 01 - Foundations/05 - Order of operations - 02 - Order of operations example.webm 3.26MB
  8371. Math/10 - Algebra basics - 03 - Linear equations and inequalities/05 - Ratios and proportions - 03 - Proportions 2 exercise examples.webm 3.26MB
  8372. Math/11 - Algebra I - 10 - Ratios and proportions/01 - Ratios and proportions - 05 - Proportions 2 exercise examples.webm 3.26MB
  8373. Economics and finance/03 - Finance and capital markets - 10 - Current economics/01 - Unemployment - 04 - Simple analysis of cost per job saved from stimulus.webm 3.25MB
  8374. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/06 - Linear inequalities - 04 - Solving a two-step inequality.webm 3.25MB
  8375. Math/10 - Algebra basics - 03 - Linear equations and inequalities/04 - Linear inequalities - 06 - Solving a two-step inequality.webm 3.25MB
  8376. Math/11 - Algebra I - 03 - Linear inequalities/01 - Thinking algebraically about inequalities - 06 - Solving a two-step inequality.webm 3.25MB
  8377. Science/06 - Health and medicine - 12 - Executive systems of the brain/01 - Cognition - 04 - Semantic networks and spreading activation.webm 3.24MB
  8378. Test prep/02 - MCAT - 06 - Processing the environment/07 - Cognition - 04 - Semantic networks and spreading activation.webm 3.24MB
  8379. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/01 - Reading and interpreting data - 04 - Reading bar graphs.webm 3.24MB
  8380. Math/11 - Algebra I - 09 - Functions/11 - Modeling with one-variable equations and inequalities - 03 - Understanding linear and exponential models.webm 3.24MB
  8381. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/01 - Exponential growth and decay - 03 - Understanding linear and exponential models.webm 3.24MB
  8382. Math/18 - Differential calculus - 02 - Taking derivatives/09 - Implicit differentiation - 04 - Implicit derivative of y _ cos(5x - 3y).webm 3.24MB
  8383. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 11 - 11 Love and marriage.webm 3.23MB
  8384. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 11 - 11 Love and marriage.webm 3.23MB
  8385. Math/10 - Algebra basics - 03 - Linear equations and inequalities/06 - Direct and inverse variation - 04 - Direct variation 1.webm 3.23MB
  8386. Math/11 - Algebra I - 09 - Functions/04 - Direct and inverse variation - 05 - Direct variation 1.webm 3.23MB
  8387. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 07 - Mach numbers.webm 3.23MB
  8388. Computing/01 - Computer programming - 04 - HTML_CSS_ Making webpages/04 - CSS text properties - 01 - CSS Zen Garden.webm 3.23MB
  8389. Math/13 - Geometry - 07 - Circles/02 - Central, inscribed and circumscribed angles - 02 - Measure of circumscribed angle.webm 3.23MB
  8390. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/02 - Intercepts of linear functions - 06 - Finding intercepts for a linear function from a table.webm 3.23MB
  8391. Math/10 - Algebra basics - 04 - Graphing lines and slope/03 - Graphing with intercepts - 05 - Finding intercepts for a linear function from a table.webm 3.23MB
  8392. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/03 - x-intercepts and y-intercepts of linear functions - 06 - Finding intercepts for a linear function from a table.webm 3.23MB
  8393. Test prep/02 - MCAT - 08 - Individuals and society/01 - Self-identity - 10 - Charles Cooley- Looking glass self.webm 3.23MB
  8394. Math/03 - 4th grade (U.S.) - 03 - Fractions/07 - Multiplying whole numbers and fractions - 02 - Conceptual understanding of multiplying fractions and whole numbers.webm 3.23MB
  8395. Math/04 - 5th grade (U.S.) - 02 - Fractions/04 - Dividing fractions - 06 - Dividing whole numbers and fractions_ studying.webm 3.23MB
  8396. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/04 - Dividing whole numbers and fractions - 02 - Dividing whole numbers and fractions_ studying.webm 3.23MB
  8397. Math/08 - Arithmetic - 05 - Fractions/15 - Dividing fractions - 04 - Dividing whole numbers and fractions_ studying.webm 3.23MB
  8398. Math/09 - Pre-algebra - 04 - Fractions/15 - Dividing fractions - 04 - Dividing whole numbers and fractions_ studying.webm 3.23MB
  8399. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/08 - Linear and nonlinear functions - 01 - Recognizing linear functions.webm 3.22MB
  8400. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/02 - Graphing solutions to equations - 09 - Recognizing linear functions.webm 3.22MB
  8401. Math/06 - 7th grade (U.S.) - 05 - Geometry/06 - Constructing and slicing geometric shapes - 02 - Construct a triangle with constraints.webm 3.22MB
  8402. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/01 - System for solving the King's problems - 09 - Practice using substitution for systems.webm 3.21MB
  8403. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/03 - Solving systems with substitution - 07 - Practice using substitution for systems.webm 3.21MB
  8404. Math/11 - Algebra I - 05 - Systems of equations and inequalities/01 - A system for solving the King's problems - 09 - Practice using substitution for systems.webm 3.21MB
  8405. Math/11 - Algebra I - 05 - Systems of equations and inequalities/05 - Solving systems with substitution - 07 - Practice using substitution for systems.webm 3.21MB
  8406. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 09 - Practice using substitution for systems.webm 3.21MB
  8407. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/04 - Solving systems with elimination - 03 - Addition elimination method 1.webm 3.21MB
  8408. Math/11 - Algebra I - 05 - Systems of equations and inequalities/06 - Solving systems with elimination (addition-elimination) - 03 - Addition elimination method 1.webm 3.21MB
  8409. Math/18 - Differential calculus - 02 - Taking derivatives/03 - Introduction to derivatives - 04 - Tangent slope as limiting value of secant slope example 3.webm 3.21MB
  8410. Science/07 - Discoveries and projects - 09 - Discovery Lab 2012/01 - Discovery Lab 2012 - 05 - DLab_ Students pit their robots against one another.webm 3.21MB
  8411. Math/01 - Early math - 03 - Addition and subtraction/03 - Addition and subtraction within 20 - 01 - Adding within 20.webm 3.21MB
  8412. Math/13 - Geometry - 05 - Right triangles and trigonometry/04 - Sine, cosine and tangent trigonometric functions - 02 - Example_ Using soh cah toa.webm 3.20MB
  8413. Math/15 - Trigonometry - 01 - Basic trigonometry/01 - Basic trigonometric ratios - 02 - Example_ Using soh cah toa.webm 3.20MB
  8414. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/03 - Word problems_ moving between units of measurement - 09 - Unit measurement word problem_ volume (US customary).webm 3.20MB
  8415. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/03 - Unit measurement word problems - 04 - Unit measurement word problem_ volume (US customary).webm 3.20MB
  8416. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 06 - Unit measurement word problem_ volume (US customary).webm 3.20MB
  8417. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 03 - Motivation for the futures exchange.webm 3.20MB
  8418. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/01 - Measuring with metric and U.S. customary units_ intro - 02 - Metric system_ units of volume.webm 3.20MB
  8419. Partner content/04 - The Museum of Modern Art - 07 - Performance Art/01 - Performance Art - 04 - Marina Abramović_ Marina's first performance.webm 3.20MB
  8420. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 05 - Solving rational equations 1.webm 3.20MB
  8421. Math/14 - Algebra II - 04 - Rational expressions/05 - Solving rational equations - 03 - Solving rational equations 1.webm 3.20MB
  8422. Math/15 - Trigonometry - 04 - Trig identities and examples/02 - Pythagorean identity - 01 - Pythagorean trig identity from soh cah toa.webm 3.19MB
  8423. Test prep/02 - MCAT - 02 - Cells/05 - Cytoskeleton - 02 - Microfilaments and intermediate filaments.webm 3.19MB
  8424. Math/11 - Algebra I - 09 - Functions/03 - Domain and range - 04 - Domain and range 1.webm 3.19MB
  8425. Math/14 - Algebra II - 02 - Functions and their graphs/03 - Domain and range - 04 - Domain and range 1.webm 3.19MB
  8426. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/01 - System for solving the King's problems - 06 - Simple elimination practice.webm 3.19MB
  8427. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/04 - Solving systems with elimination - 08 - Simple elimination practice.webm 3.19MB
  8428. Math/11 - Algebra I - 05 - Systems of equations and inequalities/01 - A system for solving the King's problems - 06 - Simple elimination practice.webm 3.19MB
  8429. Math/11 - Algebra I - 05 - Systems of equations and inequalities/06 - Solving systems with elimination (addition-elimination) - 08 - Simple elimination practice.webm 3.19MB
  8430. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 05 - Simple elimination practice.webm 3.19MB
  8431. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 03 - 6 Carton quantity.webm 3.19MB
  8432. Math/13 - Geometry - 05 - Right triangles and trigonometry/05 - Trig ratios and similarity - 03 - Showing relationship between cosine and sine of complements.webm 3.19MB
  8433. Math/15 - Trigonometry - 01 - Basic trigonometry/02 - Trigonometric ratios and similarity - 03 - Showing relationship between cosine and sine of complements.webm 3.19MB
  8434. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 08 - 8 Comparing percent discounts.webm 3.19MB
  8435. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/05 - Function notation - 02 - Difference between equations and functions.webm 3.19MB
  8436. Math/11 - Algebra I - 09 - Functions/01 - Function introduction - 02 - Difference between equations and functions.webm 3.19MB
  8437. Math/14 - Algebra II - 02 - Functions and their graphs/01 - Function introduction - 02 - Difference between equations and functions.webm 3.19MB
  8438. Test prep/01 - SAT - 02 - Full-length SAT/03 - Section 3 - 02 - 2 Defying oppression.webm 3.19MB
  8439. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/03 - Full-length SAT_ Section 3 - 02 - 2 Defying oppression.webm 3.19MB
  8440. Math/18 - Differential calculus - 01 - Limits/06 - Limits and infinity - 04 - Limits at positive and negative infinity.webm 3.19MB
  8441. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/02 - Intercepts of linear functions - 03 - x- and y-intercepts.webm 3.19MB
  8442. Math/10 - Algebra basics - 04 - Graphing lines and slope/03 - Graphing with intercepts - 02 - x- and y-intercepts.webm 3.19MB
  8443. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/03 - x-intercepts and y-intercepts of linear functions - 03 - x- and y-intercepts.webm 3.19MB
  8444. Test prep/02 - MCAT - 08 - Individuals and society/02 - Perception, prejudice, and bias - 05 - Prejudice and discrimination based on race, ethnicity, power, social class, and prestige.webm 3.18MB
  8445. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 12 - Prejudice and discrimination based on race, ethnicity, power, social class, and prestige.webm 3.18MB
  8446. Test prep/02 - MCAT - 08 - Individuals and society/06 - Discrimination - 02 - Prejudice and discrimination based on race, ethnicity, power, social class, and prestige.webm 3.18MB
  8447. Math/14 - Algebra II - 03 - Polynomial and rational functions/07 - Polynomial remainder theorem - 02 - Polynomial remainder theorem example.webm 3.18MB
  8448. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 04 - 4 Roaming deer.webm 3.18MB
  8449. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 04 - 4 Roaming deer.webm 3.18MB
  8450. Math/05 - 6th grade (U.S.) - 04 - Properties of numbers/01 - Least common multiple - 01 - Least common multiple exercise.webm 3.18MB
  8451. Math/09 - Pre-algebra - 02 - Factors and multiples/05 - Least common multiple - 01 - Least common multiple exercise.webm 3.18MB
  8452. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 11 - Art Terms in Action_ Palette Knife.webm 3.17MB
  8453. Partner content/04 - The Museum of Modern Art - 05 - Art terms in action/01 - Art terms in action - 05 - Art Terms in Action_ Palette Knife.webm 3.17MB
  8454. Math/03 - 4th grade (U.S.) - 05 - Geometry/01 - Basic geometry_ lines, line segments and rays - 03 - Intro to lines, line segments, and rays.webm 3.17MB
  8455. Math/12 - Basic geometry - 01 - Lines/01 - Lines, line segments and rays - 03 - Intro to lines, line segments, and rays.webm 3.17MB
  8456. Math/13 - Geometry - 01 - Introduction to Euclidean geometry/01 - Introduction to Euclidean geometry - 03 - Intro to lines, line segments, and rays.webm 3.17MB
  8457. Science/06 - Health and medicine - 12 - Executive systems of the brain/04 - Memory - 08 - Aging and cognitive abilities.webm 3.17MB
  8458. Test prep/02 - MCAT - 06 - Processing the environment/09 - Memory - 08 - Aging and cognitive abilities.webm 3.17MB
  8459. Math/06 - 7th grade (U.S.) - 05 - Geometry/05 - Angles - 03 - Find measure of vertical angles.webm 3.17MB
  8460. Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 06 - RSA encryption_ Step 2.webm 3.16MB
  8461. Math/01 - Early math - 03 - Addition and subtraction/05 - Addition within 100 - 02 - Understanding place value while adding tens.webm 3.16MB
  8462. Partner content/07 - Exploratorium - 01 - Light and color/02 - Colored shadows - 05 - Yellow and cyan solution.webm 3.16MB
  8463. Math/13 - Geometry - 06 - Perimeter, area, and volume/01 - Perimeter and area of triangles - 05 - Area of an equilateral triangle.webm 3.16MB
  8464. Math/13 - Geometry - 06 - Perimeter, area, and volume/03 - Koch snowflake fractal - 02 - Area of an equilateral triangle.webm 3.16MB
  8465. Math/13 - Geometry - 05 - Right triangles and trigonometry/05 - Trig ratios and similarity - 02 - Sine and cosine of complements example.webm 3.16MB
  8466. Math/15 - Trigonometry - 01 - Basic trigonometry/02 - Trigonometric ratios and similarity - 02 - Sine and cosine of complements example.webm 3.16MB
  8467. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/02 - Regrouping decimal numbers - 04 - Regrouping with decimals.webm 3.15MB
  8468. Math/08 - Arithmetic - 04 - Decimals/02 - Regrouping decimals - 01 - Regrouping with decimals.webm 3.15MB
  8469. Math/09 - Pre-algebra - 03 - Decimals/02 - Regrouping decimals - 01 - Regrouping with decimals.webm 3.15MB
  8470. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 12 - Rhombus diagonals.webm 3.15MB
  8471. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/03 - Deflation - 02 - Velocity of money rather than quantity driving prices.webm 3.15MB
  8472. Economics and finance/03 - Finance and capital markets - 03 - Inflation/05 - Deflation - 02 - Velocity of money rather than quantity driving prices.webm 3.15MB
  8473. Math/02 - 3rd grade (U.S.) - 03 - Fractions/01 - What fractions mean - 02 - More than one equal section.webm 3.15MB
  8474. Math/14 - Algebra II - 02 - Functions and their graphs/02 - Function expressions - 05 - Modeling with combined functions.webm 3.15MB
  8475. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/03 - Two-step word problems - 04 - Running distance in a week.webm 3.14MB
  8476. Math/11 - Algebra I - 08 - Exponent expressions and equations/02 - Exponent properties examples with variables - 10 - More rational exponents and exponent laws.webm 3.14MB
  8477. Math/11 - Algebra I - 08 - Exponent expressions and equations/03 - Fractional exponents - 11 - More rational exponents and exponent laws.webm 3.14MB
  8478. Math/14 - Algebra II - 03 - Polynomial and rational functions/11 - Simplifying rational expressions - 04 - Simplifying rational expressions 3.webm 3.14MB
  8479. Math/14 - Algebra II - 04 - Rational expressions/01 - Simplifying rational expressions - 04 - Simplifying rational expressions 3.webm 3.14MB
  8480. Math/14 - Algebra II - 03 - Polynomial and rational functions/10 - Binomial theorem - 04 - Intuitive connection between binomial expansion and combinatorics.webm 3.14MB
  8481. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 10 - Comparing linear functions applications 2.webm 3.14MB
  8482. Math/11 - Algebra I - 09 - Functions/07 - Analyzing linear functions - 07 - Comparing linear functions applications 2.webm 3.14MB
  8483. Math/18 - Differential calculus - 02 - Taking derivatives/06 - Power rule - 01 - Power rule.webm 3.13MB
  8484. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/01 - Multiplying and dividing monomials - 04 - Multiplying and dividing monomials 2.webm 3.13MB
  8485. Math/13 - Geometry - 06 - Perimeter, area, and volume/06 - Perimeter and area of non-standard shapes - 07 - Perimeter and area of a non-standard polygon.webm 3.13MB
  8486. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 03 - American put options.webm 3.13MB
  8487. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 05 - 5 Book costs.webm 3.13MB
  8488. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 05 - 5 Book costs.webm 3.13MB
  8489. Partner content/17 - The Aspen Institute - 02 - The founding fathers of the United States of America/03 - James Madison - 10 - Madison and the Louisiana Purchase.webm 3.12MB
  8490. Math/17 - Precalculus - 02 - Matrices/04 - Zero and identity matrices - 04 - Identity and zero matrix equation.webm 3.12MB
  8491. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/06 - Scientific notation - 04 - Scientific notation example 1.webm 3.12MB
  8492. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/06 - Scientific notation - 04 - Scientific notation example 1.webm 3.12MB
  8493. Math/10 - Algebra basics - 01 - Foundations/09 - Scientific notation - 04 - Scientific notation example 1.webm 3.12MB
  8494. Math/08 - Arithmetic - 05 - Fractions/12 - Mixed number addition and subtraction - 04 - Subtracting mixed numbers.webm 3.12MB
  8495. Math/09 - Pre-algebra - 04 - Fractions/12 - Mixed number addition and subtraction - 04 - Subtracting mixed numbers.webm 3.12MB
  8496. Math/02 - 3rd grade (U.S.) - 04 - Measurement and geometry/03 - Telling time - 03 - Units of measurement word problem_ time to leave for home.webm 3.12MB
  8497. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/03 - Word problems_ moving between units of measurement - 01 - Units of measurement word problem_ time to leave for home.webm 3.12MB
  8498. Math/04 - 5th grade (U.S.) - 02 - Fractions/03 - Multiplying fractions - 09 - Multiplying fractions and whole numbers_ mixed number answer.webm 3.12MB
  8499. Math/08 - Arithmetic - 05 - Fractions/13 - Mixed number multiplication and division - 01 - Multiplying fractions and whole numbers_ mixed number answer.webm 3.12MB
  8500. Math/09 - Pre-algebra - 04 - Fractions/13 - Mixed number multiplication and division - 01 - Multiplying fractions and whole numbers_ mixed number answer.webm 3.12MB
  8501. Science/07 - Discoveries and projects - 01 - Discoveries/06 - Discovery of resistors - 01 - Series load.webm 3.12MB
  8502. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 06 - Call payoff diagram.webm 3.12MB
  8503. Math/19 - Integral calculus - 01 - Integrals/08 - Improper integrals - 01 - Introduction to improper integrals.webm 3.12MB
  8504. Math/22 - Linear algebra - 03 - Alternate coordinate systems (bases)/01 - Orthogonal complements - 05 - Orthogonal complement of the nullspace.webm 3.11MB
  8505. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/01 - Measuring with metric and U.S. customary units_ intro - 07 - Finding reasonable unit of measurement example.webm 3.11MB
  8506. Math/19 - Integral calculus - 01 - Integrals/01 - Indefinite integral as anti-derivative - 04 - Basic trig and exponential antiderivatives.webm 3.11MB
  8507. Math/09 - Pre-algebra - 02 - Factors and multiples/04 - Prime factorization - 01 - Prime factorization.webm 3.11MB
  8508. Test prep/02 - MCAT - 06 - Processing the environment/13 - Drug dependence - 02 - Psychoactive drugs_ Stimulants.webm 3.11MB
  8509. Math/19 - Integral calculus - 02 - Integration techniques/02 - u-substitution - 02 - u-substitution example 2.webm 3.11MB
  8510. Math/19 - Integral calculus - 02 - Integration techniques/01 - Integration by parts - 01 - Deriving integration by parts formula.webm 3.11MB
  8511. Math/17 - Precalculus - 02 - Matrices/03 - Properties of matrix multiplication - 03 - Equivalent matrix expressions.webm 3.10MB
  8512. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/01 - Ratios - 02 - Ratios as fractions.webm 3.10MB
  8513. Math/04 - 5th grade (U.S.) - 02 - Fractions/01 - Adding and subtracting fractions - 01 - Adding fractions_ different denominators.webm 3.09MB
  8514. Math/08 - Arithmetic - 05 - Fractions/07 - Adding and subtracting fractions with unlike denominators - 03 - Adding fractions_ different denominators.webm 3.09MB
  8515. Math/09 - Pre-algebra - 04 - Fractions/06 - Adding and subtracting fractions with unlike denominators - 03 - Adding fractions_ different denominators.webm 3.09MB
  8516. Math/17 - Precalculus - 06 - Sequences, series and induction/04 - Finite geometric series - 01 - Sigma notation for sums.webm 3.09MB
  8517. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/03 - Series - 01 - Sigma notation for sums.webm 3.09MB
  8518. Science/07 - Discoveries and projects - 04 - Lego robotics/02 - Light guitar - 02 - Data wires.webm 3.08MB
  8519. Science/07 - Discoveries and projects - 04 - Lego robotics/05 - Programming basics - 08 - Data wires.webm 3.08MB
  8520. Math/14 - Algebra II - 05 - Exponential and logarithmic functions/04 - Logarithmic equations - 01 - Solving logarithmic equations.webm 3.08MB
  8521. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 12 - Solving logarithmic equations.webm 3.08MB
  8522. Math/07 - 8th grade (U.S.) - 06 - Data and modeling/03 - Patterns in data - 02 - Interpreting a trend line.webm 3.08MB
  8523. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 08 - Severe contango generally bearish.webm 3.08MB
  8524. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/02 - Sequence convergence and divergence - 02 - Identifying sequence convergence and divergence.webm 3.08MB
  8525. Math/06 - 7th grade (U.S.) - 05 - Geometry/06 - Constructing and slicing geometric shapes - 03 - Slice a rectangular pyramid.webm 3.08MB
  8526. Math/13 - Geometry - 06 - Perimeter, area, and volume/08 - Cross sections of 3D objects - 01 - Slice a rectangular pyramid.webm 3.08MB
  8527. Math/02 - 3rd grade (U.S.) - 04 - Measurement and geometry/01 - Area - 02 - Measuring the same rectangle with different unit squares.webm 3.07MB
  8528. Math/09 - Pre-algebra - 09 - Measurement/01 - Area basics - 02 - Measuring the same rectangle with different unit squares.webm 3.07MB
  8529. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 10 - How did dinosaurs reproduce_.webm 3.07MB
  8530. Math/05 - 6th grade (U.S.) - 06 - Geometry/02 - Finding area - 04 - Area of a kite.webm 3.07MB
  8531. Math/12 - Basic geometry - 05 - Area and perimeter/01 - Area and perimeter of polygons - 05 - Area of a kite.webm 3.07MB
  8532. Math/13 - Geometry - 06 - Perimeter, area, and volume/06 - Perimeter and area of non-standard shapes - 05 - Area of a kite.webm 3.07MB
  8533. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/02 - Regrouping decimal numbers - 05 - Regrouping with decimals example 1.webm 3.07MB
  8534. Math/08 - Arithmetic - 04 - Decimals/02 - Regrouping decimals - 02 - Regrouping with decimals example 1.webm 3.07MB
  8535. Math/09 - Pre-algebra - 03 - Decimals/02 - Regrouping decimals - 02 - Regrouping with decimals example 1.webm 3.07MB
  8536. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/01 - Adding and subtracting negative numbers - 03 - Learn how to add and subtract negative numbers.webm 3.07MB
  8537. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 03 - Learn how to add and subtract negative numbers.webm 3.07MB
  8538. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/02 - Adding and subtracting negative numbers - 01 - Learn how to add and subtract negative numbers.webm 3.07MB
  8539. Math/10 - Algebra basics - 01 - Foundations/01 - Negative numbers - 03 - Learn how to add and subtract negative numbers.webm 3.07MB
  8540. Math/14 - Algebra II - 06 - Logarithms/01 - Logarithm basics - 02 - Fancier logarithm expressions.webm 3.07MB
  8541. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/05 - Fahrenheit and Celsius conversion - 01 - Converting Fahrenheit to Celsius.webm 3.07MB
  8542. Math/19 - Integral calculus - 01 - Integrals/06 - Fundamental theorem of calculus - 02 - Applying the fundamental theorem of calculus.webm 3.06MB
  8543. Science/06 - Health and medicine - 06 - Respiratory system diseases/07 - Pulmonary hypertension - 04 - Pulmonary hypertension diagnosis Swan Ganz catheterization.webm 3.06MB
  8544. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/13 - Pulmonary hypertension - 04 - Pulmonary hypertension diagnosis Swan Ganz catheterization.webm 3.06MB
  8545. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 10 - 10 Maximum triangle area given side lengths.webm 3.06MB
  8546. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 15 - Spider's romance.webm 3.06MB
  8547. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/04 - Inverse trig functions - 04 - Example_ Calculator to evaluate inverse trig function.webm 3.05MB
  8548. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/01 - Rates - 02 - Unit cost problem using fractions.webm 3.05MB
  8549. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/05 - Rates for proportional relationships - 04 - Unit cost problem using fractions.webm 3.05MB
  8550. Math/03 - 4th grade (U.S.) - 03 - Fractions/10 - Rewriting fractions as decimals - 01 - Basic example of rewriting a fraction as a decimal.webm 3.04MB
  8551. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 15 - Basic example of rewriting a fraction as a decimal.webm 3.04MB
  8552. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 14 - Basic example of rewriting a fraction as a decimal.webm 3.04MB
  8553. Partner content/05 - The J. Paul Getty Museum - 10 - For kids/01 - For kids - 01 - Bored angel and twin.webm 3.04MB
  8554. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 06 - Solving rational equations 2.webm 3.04MB
  8555. Math/14 - Algebra II - 04 - Rational expressions/05 - Solving rational equations - 04 - Solving rational equations 2.webm 3.04MB
  8556. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/07 - Multi-step word problems - 01 - Multi-step word problem with decimals and subtraction.webm 3.03MB
  8557. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/02 - Multi-step word problems - 01 - Multi-step word problem with decimals and subtraction.webm 3.03MB
  8558. Math/18 - Differential calculus - 02 - Taking derivatives/04 - Visualizing graphs of functions and their derivatives - 04 - Where a function is not differentiable.webm 3.03MB
  8559. Math/06 - 7th grade (U.S.) - 02 - Negative Numbers/05 - Exponents with negative bases - 03 - Powers of zero.webm 3.03MB
  8560. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/02 - Positive and negative exponents - 05 - Powers of zero.webm 3.03MB
  8561. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/01 - The world of exponents - 08 - Powers of zero.webm 3.03MB
  8562. Math/10 - Algebra basics - 01 - Foundations/03 - The world of exponents - 07 - Powers of zero.webm 3.03MB
  8563. Math/04 - 5th grade (U.S.) - 01 - Arithmetic operations/05 - Dividing decimals - 04 - Dividing a whole number by a decimal.webm 3.03MB
  8564. Math/08 - Arithmetic - 04 - Decimals/07 - Dividing decimals - 04 - Dividing a whole number by a decimal.webm 3.03MB
  8565. Math/09 - Pre-algebra - 03 - Decimals/07 - Dividing decimals - 04 - Dividing a whole number by a decimal.webm 3.03MB
  8566. Math/01 - Early math - 02 - Place value and patterns/01 - Tens - 04 - Monkeys for a party.webm 3.03MB
  8567. Partner content/05 - The J. Paul Getty Museum - 10 - For kids/01 - For kids - 10 - Sad angels.webm 3.03MB
  8568. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/03 - Basic probability - 05 - Finding probablity example.webm 3.02MB
  8569. Math/16 - Probability and statistics - 01 - Independent and dependent events/01 - Basic probability - 03 - Finding probablity example.webm 3.02MB
  8570. Math/17 - Precalculus - 05 - Probability and combinatorics/01 - Basic probability - 02 - Finding probablity example.webm 3.02MB
  8571. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/05 - Applying linear equations - 03 - Linear equation using segment.webm 3.02MB
  8572. Math/07 - 8th grade (U.S.) - 05 - Geometry/01 - Algebraically determining segment length - 01 - Linear equation using segment.webm 3.02MB
  8573. Math/18 - Differential calculus - 02 - Taking derivatives/10 - Derivatives of inverse functions - 02 - Derivative of inverse cosine.webm 3.01MB
  8574. Economics and finance/03 - Finance and capital markets - 03 - Inflation/01 - Inflation basics - 02 - What is inflation.webm 3.01MB
  8575. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/01 - Multiplication - 06 - Multiplying_ 2 digit numbers.webm 3.01MB
  8576. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/01 - Radians - 06 - Example_ Radian measure and arc length.webm 3.01MB
  8577. Economics and finance/02 - Macroeconomics - 03 - Aggregate demand and aggregate supply/04 - Monetary and fiscal policy - 02 - Tax lever of fiscal policy.webm 3.01MB
  8578. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/08 - Linear and nonlinear functions - 03 - Linear and nonlinear functions (example 2).webm 3.01MB
  8579. Math/11 - Algebra I - 02 - Linear equations/07 - Solving for a variable - 05 - Manipulating formula example.webm 3.01MB
  8580. Science/07 - Discoveries and projects - 01 - Discoveries/06 - Discovery of resistors - 02 - Pencil resistor.webm 3.00MB
  8581. Science/07 - Discoveries and projects - 01 - Discoveries/08 - Electrostatics - 01 - Discovery of triboelectric effect.webm 3.00MB
  8582. Math/13 - Geometry - 07 - Circles/03 - Equation of a circle - 03 - Radius and center for a circle equation in standard form.webm 3.00MB
  8583. Math/14 - Algebra II - 08 - Conic sections/02 - Circles - 01 - Radius and center for a circle equation in standard form.webm 3.00MB
  8584. Math/07 - 8th grade (U.S.) - 05 - Geometry/04 - The Pythagorean theorem - 04 - Pythagorean theorem 2.webm 3.00MB
  8585. Math/10 - Algebra basics - 08 - Equations and geometry/03 - Pythagorean theorem - 03 - Pythagorean theorem 2.webm 3.00MB
  8586. Math/12 - Basic geometry - 07 - The Pythagorean theorem/01 - The Pythagorean theorem - 04 - Pythagorean theorem 2.webm 3.00MB
  8587. Math/13 - Geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 04 - Pythagorean theorem 2.webm 3.00MB
  8588. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/10 - Inequalities - 03 - Inequality word problems.webm 3.00MB
  8589. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/03 - Inequalties _ Greater than and less than basics - 03 - Inequality word problems.webm 3.00MB
  8590. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/04 - Division - 02 - Dividing numbers_ long division example.webm 3.00MB
  8591. Math/17 - Precalculus - 02 - Matrices/06 - Inverting matrices - 07 - Finding the determinant of a 3x3 matrix method 2.webm 2.99MB
  8592. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/02 - Evaluating numerical expressions - 04 - Order of operations examples_ exponents.webm 2.99MB
  8593. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 02 - 10 Trucks in parking lot.webm 2.99MB
  8594. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 16 - 16 Shortest path.webm 2.98MB
  8595. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 06 - Futures and forward curves.webm 2.98MB
  8596. Economics and finance/02 - Macroeconomics - 01 - GDP_ Measuring national income/02 - GDP and the circular flow of income and expenditures - 03 - More on final and intermediate GDP contributions.webm 2.98MB
  8597. Math/19 - Integral calculus - 01 - Integrals/01 - Indefinite integral as anti-derivative - 01 - Antiderivatives and indefinite integrals.webm 2.98MB
  8598. Math/04 - 5th grade (U.S.) - 02 - Fractions/05 - Multiplying fractions word problems - 04 - Multiplying fractions word problem_ banana oat muffin recipe.webm 2.98MB
  8599. Math/08 - Arithmetic - 05 - Fractions/10 - Multiplying fractions word problems - 04 - Multiplying fractions word problem_ banana oat muffin recipe.webm 2.98MB
  8600. Math/09 - Pre-algebra - 04 - Fractions/10 - Multiplying fractions word problems - 04 - Multiplying fractions word problem_ banana oat muffin recipe.webm 2.98MB
  8601. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/02 - Multiplying and dividing fractions - 02 - Dividing negative fractions.webm 2.98MB
  8602. Math/08 - Arithmetic - 05 - Fractions/16 - Dividing fractions by fractions - 04 - Dividing negative fractions.webm 2.98MB
  8603. Math/09 - Pre-algebra - 04 - Fractions/16 - Dividing fractions by fractions - 06 - Dividing negative fractions.webm 2.98MB
  8604. Math/10 - Algebra basics - 01 - Foundations/06 - Fractions - 04 - Dividing negative fractions.webm 2.98MB
  8605. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/07 - Binary and hexadecimal number systems - 03 - Converting from decimal to binary.webm 2.98MB
  8606. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/01 - A beginner's guide to ancient Greece - 05 - Sprinter on a vase from Rhodes and a bronze running girl.webm 2.98MB
  8607. Partner content/03 - The British Museum - 04 - Europe/01 - Ancient Greece - 04 - Sprinter on a vase from Rhodes and a bronze running girl.webm 2.98MB
  8608. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/07 - Binary and hexadecimal number systems - 07 - Multiplying in binary.webm 2.97MB
  8609. Math/16 - Probability and statistics - 07 - Inferential statistics/05 - Hypothesis testing with one sample - 03 - Type 1 errors.webm 2.97MB
  8610. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/07 - Binary and hexadecimal number systems - 05 - Converting from decimal to hexadecimal representation.webm 2.97MB
  8611. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/05 - Percent word problems - 03 - Percent word problem example 3.webm 2.97MB
  8612. Math/08 - Arithmetic - 05 - Fractions/02 - Visualizing equivalent fractions - 05 - Fractions cut and copy 1 exercise.webm 2.96MB
  8613. Test prep/02 - MCAT - 09 - Society and culture/03 - Culture - 04 - Jim goes to college subculture.webm 2.96MB
  8614. Math/02 - 3rd grade (U.S.) - 01 - Addition and subtraction/02 - Using regrouping to subtract within 1000 - 03 - Subtracting_ regrouping twice.webm 2.96MB
  8615. Math/03 - 4th grade (U.S.) - 01 - Addition and subtraction/02 - Subtracting_ multi-digit numbers - 03 - Subtracting_ regrouping twice.webm 2.96MB
  8616. Math/08 - Arithmetic - 01 - Addition and subtraction/04 - Subtracting within 1000 - 05 - Subtracting_ regrouping twice.webm 2.96MB
  8617. Math/05 - 6th grade (U.S.) - 06 - Geometry/01 - Coordinate plane - 07 - Coordinate plane_ reflecting points.webm 2.96MB
  8618. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/01 - Coordinate plane - 09 - Coordinate plane_ reflecting points.webm 2.96MB
  8619. Math/12 - Basic geometry - 04 - The coordinate plane/01 - Coordinate plane - 08 - Coordinate plane_ reflecting points.webm 2.96MB
  8620. Math/17 - Precalculus - 04 - Imaginary and complex numbers/02 - Complex number introduction - 04 - Subtracting complex numbers.webm 2.95MB
  8621. Science/07 - Discoveries and projects - 01 - Discoveries/04 - Discovery of batteries - 04 - Reverse electrodes (polarity).webm 2.95MB
  8622. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/03 - Solving systems with substitution - 02 - Example 2_ Solving systems by substitution.webm 2.95MB
  8623. Math/11 - Algebra I - 05 - Systems of equations and inequalities/05 - Solving systems with substitution - 02 - Example 2_ Solving systems by substitution.webm 2.95MB
  8624. Math/11 - Algebra I - 09 - Functions/03 - Domain and range - 07 - Domain and range from graphs.webm 2.94MB
  8625. Math/08 - Arithmetic - 04 - Decimals/01 - Conceptualizing decimals and place notation - 01 - Decimal place value.webm 2.94MB
  8626. Math/09 - Pre-algebra - 03 - Decimals/01 - Conceptualizing decimals and place notation - 01 - Decimal place value.webm 2.94MB
  8627. Math/07 - 8th grade (U.S.) - 02 - Solving equations/04 - Linear equation word problems - 03 - Ex 2 age word problem.webm 2.94MB
  8628. Math/11 - Algebra I - 02 - Linear equations/09 - Age word problems - 02 - Ex 2 age word problem.webm 2.94MB
  8629. Math/05 - 6th grade (U.S.) - 06 - Geometry/02 - Finding area - 07 - Area of strange quadrilateral.webm 2.93MB
  8630. Math/12 - Basic geometry - 05 - Area and perimeter/01 - Area and perimeter of polygons - 08 - Area of strange quadrilateral.webm 2.93MB
  8631. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/02 - Real and nominal return - 02 - Calculating real return in last year dollars.webm 2.93MB
  8632. Economics and finance/03 - Finance and capital markets - 03 - Inflation/03 - Real and nominal return - 02 - Calculating real return in last year dollars.webm 2.93MB
  8633. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/01 - Rational and irrational numbers - 08 - Approximating irrational number exercise example.webm 2.93MB
  8634. Math/09 - Pre-algebra - 08 - Arithmetic properties/06 - Rational and irrational numbers - 03 - Approximating irrational number exercise example.webm 2.93MB
  8635. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/05 - Credit default swaps - 01 - Credit default swaps (CDS) intro.webm 2.93MB
  8636. Math/18 - Differential calculus - 01 - Limits/01 - Limits - 02 - Inferring limit from numerical data.webm 2.93MB
  8637. Math/11 - Algebra I - 08 - Exponent expressions and equations/03 - Fractional exponents - 02 - Solving for a fractional exponent.webm 2.93MB
  8638. Math/04 - 5th grade (U.S.) - 01 - Arithmetic operations/03 - Multiplying whole numbers and decimals - 02 - Introduction to multiplying decimals.webm 2.93MB
  8639. Math/08 - Arithmetic - 04 - Decimals/06 - Multiplying decimals - 01 - Introduction to multiplying decimals.webm 2.93MB
  8640. Math/09 - Pre-algebra - 03 - Decimals/06 - Multiplying decimals - 01 - Introduction to multiplying decimals.webm 2.93MB
  8641. Math/10 - Algebra basics - 04 - Graphing lines and slope/02 - Solutions and graphs of two-variable equations - 03 - Determining a linear equation by trying out values from a table.webm 2.93MB
  8642. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/02 - Graphing solutions to equations - 03 - Determining a linear equation by trying out values from a table.webm 2.93MB
  8643. Test prep/04 - GMAT - 02 - Data sufficiency/01 - Data sufficiency - 22 - GMAT_ Data sufficiency 21 (correction).webm 2.92MB
  8644. Math/02 - 3rd grade (U.S.) - 04 - Measurement and geometry/01 - Area - 05 - Area of rectangles and the distributive property.webm 2.92MB
  8645. Math/09 - Pre-algebra - 09 - Measurement/01 - Area basics - 04 - Area of rectangles and the distributive property.webm 2.92MB
  8646. Math/08 - Arithmetic - 01 - Addition and subtraction/04 - Subtracting within 1000 - 07 - Borrowing once example 1.webm 2.92MB
  8647. Math/17 - Precalculus - 02 - Matrices/02 - Matrix multiplication - 03 - Multiplying a matrix by a column vector.webm 2.92MB
  8648. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/05 - Data - 01 - Interpreting data in line plot.webm 2.92MB
  8649. Math/03 - 4th grade (U.S.) - 06 - Factors, multiples and patterns/02 - Factors and multiples - 02 - Finding factors and multiples.webm 2.92MB
  8650. Math/09 - Pre-algebra - 02 - Factors and multiples/02 - Divisibility and factors - 02 - Finding factors and multiples.webm 2.92MB
  8651. Math/02 - 3rd grade (U.S.) - 04 - Measurement and geometry/02 - Perimeter - 01 - Introduction to perimeter.webm 2.92MB
  8652. Math/09 - Pre-algebra - 09 - Measurement/02 - Perimeter - 01 - Introduction to perimeter.webm 2.92MB
  8653. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 07 - 7 Maximum distance on two spheres.webm 2.91MB
  8654. Math/03 - 4th grade (U.S.) - 03 - Fractions/05 - Mixed numbers - 02 - Mixed numbers_ changing from an improper fraction.webm 2.91MB
  8655. Math/08 - Arithmetic - 05 - Fractions/11 - Mixed numbers and improper fractions - 06 - Mixed numbers_ changing from an improper fraction.webm 2.91MB
  8656. Math/09 - Pre-algebra - 04 - Fractions/11 - Mixed numbers and improper fractions - 06 - Mixed numbers_ changing from an improper fraction.webm 2.91MB
  8657. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/04 - Division - 03 - Dividing numbers_ intro to remainders.webm 2.91MB
  8658. Math/08 - Arithmetic - 02 - Multiplication and division/06 - Loooong division_ - 02 - Dividing numbers_ intro to remainders.webm 2.91MB
  8659. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 13 - Multiplying and dividing rational expressions 1.webm 2.91MB
  8660. Math/14 - Algebra II - 04 - Rational expressions/06 - Multiplying and dividing rational expressions - 02 - Multiplying and dividing rational expressions 1.webm 2.91MB
  8661. Math/11 - Algebra I - 09 - Functions/06 - Evaluating function expressions - 04 - Difference of functions.webm 2.91MB
  8662. Math/14 - Algebra II - 02 - Functions and their graphs/02 - Function expressions - 02 - Difference of functions.webm 2.91MB
  8663. Arts and humanities/03 - Art history basics - 01 - First things first/01 - First things first - 01 - Why look at art_.webm 2.90MB
  8664. Test prep/07 - AP* Art History - 01 - Key issues for the study of AP Art History/01 - Key issues for the study of AP Art History - 01 - Why look at art_.webm 2.90MB
  8665. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/03 - Word problems_ moving between units of measurement - 02 - Units of measurement word problem_ time.webm 2.90MB
  8666. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/03 - Unit measurement word problems - 01 - Units of measurement word problem_ time.webm 2.90MB
  8667. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/03 - Deflation - 01 - Deflation.webm 2.90MB
  8668. Economics and finance/03 - Finance and capital markets - 03 - Inflation/05 - Deflation - 01 - Deflation.webm 2.90MB
  8669. Test prep/01 - SAT - 02 - Full-length SAT/03 - Section 3 - 05 - 5 Home colors.webm 2.90MB
  8670. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/03 - Full-length SAT_ Section 3 - 05 - 5 Home colors.webm 2.90MB
  8671. Science/07 - Discoveries and projects - 04 - Lego robotics/04 - Ant bot - 03 - Move block.webm 2.90MB
  8672. Science/07 - Discoveries and projects - 04 - Lego robotics/05 - Programming basics - 01 - Move block.webm 2.90MB
  8673. Math/18 - Differential calculus - 01 - Limits/03 - Finding limits algebraically - 03 - Limit by factoring cubic expression.webm 2.90MB
  8674. Science/07 - Discoveries and projects - 01 - Discoveries/02 - Discovery of magnetic fields - 03 - Discovery of magnetic fields.webm 2.90MB
  8675. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/04 - Inflationary and deflationary scenarios - 02 - Stagflation.webm 2.89MB
  8676. Economics and finance/03 - Finance and capital markets - 03 - Inflation/02 - Inflation scenarios - 02 - Stagflation.webm 2.89MB
  8677. Math/11 - Algebra I - 03 - Linear inequalities/03 - Structure in linear expressions - 02 - Dogs cats and bears in a pet store analytic argument.webm 2.89MB
  8678. Math/19 - Integral calculus - 02 - Integration techniques/01 - Integration by parts - 03 - Integral of ln x.webm 2.89MB
  8679. Math/11 - Algebra I - 07 - Quadratic equations/03 - Completing the square - 02 - Example 1_ Completing the square.webm 2.89MB
  8680. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 07 - Parallel lines.webm 2.88MB
  8681. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/01 - What is a dinosaur_ - 01 - What is and is not a dinosaur_.webm 2.88MB
  8682. Math/15 - Trigonometry - 04 - Trig identities and examples/03 - Angle addition formulas - 06 - Double angle formula for cosine example.webm 2.88MB
  8683. Arts and humanities/01 - History - 01 - 1900 - present_ The recent past/01 - Beginning of World War I - 02 - German and Italian Empires in 1914.webm 2.88MB
  8684. Math/17 - Precalculus - 06 - Sequences, series and induction/07 - Deductive and inductive reasoning - 06 - Inductive reasoning 3.webm 2.88MB
  8685. Math/13 - Geometry - 03 - Congruence/03 - Congruence and isosceles and equilateral triangles - 05 - Example involving an isosceles triangle and parallel lines.webm 2.87MB
  8686. Science/06 - Health and medicine - 12 - Executive systems of the brain/01 - Cognition - 06 - Aging and cognitive abilities.webm 2.87MB
  8687. Test prep/02 - MCAT - 06 - Processing the environment/07 - Cognition - 06 - Aging and cognitive abilities.webm 2.87MB
  8688. Math/11 - Algebra I - 02 - Linear equations/10 - Absolute value equations - 07 - Absolute value equation with no solution.webm 2.87MB
  8689. Economics and finance/02 - Macroeconomics - 06 - Foreign exchange and trade/02 - Currency reserves - 01 - Accumulating foreign currency reserves.webm 2.87MB
  8690. Math/14 - Algebra II - 09 - Matrices/01 - Basic matrix operations - 05 - Transpose of a matrix.webm 2.87MB
  8691. Math/17 - Precalculus - 02 - Matrices/01 - Basic matrix operations - 05 - Transpose of a matrix.webm 2.87MB
  8692. Math/19 - Integral calculus - 02 - Integration techniques/02 - u-substitution - 04 - u-substitution with ln(x).webm 2.87MB
  8693. Test prep/02 - MCAT - 08 - Individuals and society/03 - Social behavior - 08 - Social support.webm 2.86MB
  8694. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 14 - Social support.webm 2.86MB
  8695. Computing/01 - Computer programming - 01 - Intro to JS_ Drawing and Animation/01 - Intro to programming - 01 - What is Programming_.webm 2.86MB
  8696. Math/08 - Arithmetic - 05 - Fractions/01 - Understanding fractions - 05 - Plotting basic fractions on the number line.webm 2.86MB
  8697. Math/09 - Pre-algebra - 04 - Fractions/01 - Understanding fractions - 05 - Plotting basic fractions on the number line.webm 2.86MB
  8698. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/06 - Recognizing functions - 09 - Recognizing functions (example 5).webm 2.86MB
  8699. Math/11 - Algebra I - 09 - Functions/02 - Recognizing functions - 09 - Recognizing functions (example 5).webm 2.86MB
  8700. Math/14 - Algebra II - 02 - Functions and their graphs/04 - Recognizing functions - 09 - Recognizing functions (example 5).webm 2.86MB
  8701. Science/06 - Health and medicine - 03 - Advanced circulatory system physiology/01 - Blood pressure - 05 - Adding up resistance problem.webm 2.86MB
  8702. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/04 - Equivalent expressions - 04 - Combining like terms example 2.webm 2.86MB
  8703. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/02 - Manipulating expressions - 04 - Combining like terms example 2.webm 2.86MB
  8704. Math/10 - Algebra basics - 02 - Algebraic expressions/02 - Manipulating expressions - 03 - Combining like terms example 2.webm 2.86MB
  8705. Math/11 - Algebra I - 01 - Introduction to algebra/03 - Manipulating expressions - 04 - Combining like terms example 2.webm 2.86MB
  8706. Math/08 - Arithmetic - 05 - Fractions/11 - Mixed numbers and improper fractions - 08 - Fractions cut and copy 2 exercise example.webm 2.86MB
  8707. Math/09 - Pre-algebra - 04 - Fractions/11 - Mixed numbers and improper fractions - 08 - Fractions cut and copy 2 exercise example.webm 2.86MB
  8708. Math/14 - Algebra II - 09 - Matrices/02 - Matrix multiplication - 03 - Defined and undefined matrix operations.webm 2.86MB
  8709. Math/17 - Precalculus - 02 - Matrices/02 - Matrix multiplication - 04 - Defined and undefined matrix operations.webm 2.86MB
  8710. Math/10 - Algebra basics - 04 - Graphing lines and slope/07 - Graphing linear inequalities - 05 - Graphing linear inequalities in two variables 3.webm 2.85MB
  8711. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/11 - Graphing linear inequalities - 05 - Graphing linear inequalities in two variables 3.webm 2.85MB
  8712. Arts and humanities/10 - Age of global conflict - 04 - Art between the wars_ the avant-garde and the rise of totalitarianism/02 - The international avant-garde - 03 - Brancusi, Bird in Space.webm 2.84MB
  8713. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/02 - Forward and futures contracts - 18 - Futures fair value in the pre-market.webm 2.84MB
  8714. Math/14 - Algebra II - 03 - Polynomial and rational functions/16 - Fundamental Theorem of Algebra - 03 - Possible number of real roots.webm 2.84MB
  8715. Science/07 - Discoveries and projects - 01 - Discoveries/04 - Discovery of batteries - 01 - Zinc copper cell (reduction-oxidation).webm 2.83MB
  8716. Math/14 - Algebra II - 02 - Functions and their graphs/07 - Piecewise functions - 03 - Absolute value graphing exercise example.webm 2.83MB
  8717. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 12 - Call writer payoff diagram.webm 2.83MB
  8718. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/02 - Real and nominal return - 01 - Real and nominal return.webm 2.83MB
  8719. Economics and finance/03 - Finance and capital markets - 03 - Inflation/03 - Real and nominal return - 01 - Real and nominal return.webm 2.83MB
  8720. Math/03 - 4th grade (U.S.) - 07 - Place value and rounding/01 - Place value - 05 - Understanding place value 1 exercise.webm 2.83MB
  8721. Math/09 - Pre-algebra - 08 - Arithmetic properties/01 - Place value - 06 - Understanding place value 1 exercise.webm 2.83MB
  8722. Partner content/05 - The J. Paul Getty Museum - 10 - For kids/01 - For kids - 06 - 'A Hare in the Forest,' Hans Hoffmann.webm 2.83MB
  8723. Math/09 - Pre-algebra - 08 - Arithmetic properties/09 - Arithmetic properties - 13 - Inverse property of multiplication.webm 2.83MB
  8724. Math/09 - Pre-algebra - 02 - Factors and multiples/04 - Prime factorization - 02 - Prime factorization exercise.webm 2.82MB
  8725. Math/03 - 4th grade (U.S.) - 05 - Geometry/02 - Angles - 08 - Constructing angles.webm 2.81MB
  8726. Math/12 - Basic geometry - 02 - Angles/01 - Angle basics - 08 - Constructing angles.webm 2.81MB
  8727. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/02 - Multiplying using grids and area models to visualize - 01 - Multiplying_ 4 digits times 1 digit (using grid).webm 2.81MB
  8728. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/04 - Percentages - 03 - Converting percent to decimal and fraction.webm 2.81MB
  8729. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 03 - Converting percent to decimal and fraction.webm 2.81MB
  8730. Math/08 - Arithmetic - 05 - Fractions/14 - Decimals and fractions - 06 - Converting percent to decimal and fraction.webm 2.81MB
  8731. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 03 - Converting percent to decimal and fraction.webm 2.81MB
  8732. Math/09 - Pre-algebra - 04 - Fractions/14 - Decimals and fractions - 06 - Converting percent to decimal and fraction.webm 2.81MB
  8733. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/01 - Multiplying and dividing monomials - 06 - Monomial greatest common factor.webm 2.81MB
  8734. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/03 - Converting fractions and decimals - 08 - Fraction to decimal with rounding.webm 2.81MB
  8735. Math/08 - Arithmetic - 04 - Decimals/08 - Converting between fractions and decimals - 01 - Fraction to decimal with rounding.webm 2.81MB
  8736. Math/08 - Arithmetic - 05 - Fractions/14 - Decimals and fractions - 03 - Fraction to decimal with rounding.webm 2.81MB
  8737. Math/09 - Pre-algebra - 03 - Decimals/08 - Converting between fractions and decimals - 01 - Fraction to decimal with rounding.webm 2.81MB
  8738. Math/09 - Pre-algebra - 04 - Fractions/14 - Decimals and fractions - 03 - Fraction to decimal with rounding.webm 2.81MB
  8739. Math/10 - Algebra basics - 01 - Foundations/07 - Decimals, fractions and percentages - 02 - Fraction to decimal with rounding.webm 2.81MB
  8740. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/05 - Multiplication by powers of 10 - 04 - Dividing a decimal by a power of 10.webm 2.80MB
  8741. Math/08 - Arithmetic - 04 - Decimals/13 - Moving the decimal to multiply and divide by 10 - 02 - Dividing a decimal by a power of 10.webm 2.80MB
  8742. Math/09 - Pre-algebra - 03 - Decimals/13 - Moving the decimal to multiply and divide by 10 - 02 - Dividing a decimal by a power of 10.webm 2.80MB
  8743. Test prep/02 - MCAT - 08 - Individuals and society/03 - Social behavior - 03 - Similarity.webm 2.80MB
  8744. Math/03 - 4th grade (U.S.) - 03 - Fractions/10 - Rewriting fractions as decimals - 03 - Rewriting fraction as a decimal to the hundredths place.webm 2.80MB
  8745. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 14 - Rewriting fraction as a decimal to the hundredths place.webm 2.80MB
  8746. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 15 - Rewriting fraction as a decimal to the hundredths place.webm 2.80MB
  8747. Test prep/01 - SAT - 03 - SAT Math practice/05 - SAT Math_ Level 5 - 11 - 16 Perimeter of inscribed triangle.webm 2.80MB
  8748. Math/07 - 8th grade (U.S.) - 02 - Solving equations/01 - Linear equations in one variable - 03 - Example 2_ Variables on both sides.webm 2.80MB
  8749. Math/10 - Algebra basics - 03 - Linear equations and inequalities/03 - Solving fancier linear equations - 03 - Example 2_ Variables on both sides.webm 2.80MB
  8750. Math/11 - Algebra I - 02 - Linear equations/05 - More fancy equations for beginners - 03 - Example 2_ Variables on both sides.webm 2.80MB
  8751. Math/11 - Algebra I - 08 - Exponent expressions and equations/04 - Simplifying radical expressions - 09 - Multiply and simplify a radical expression 2.webm 2.79MB
  8752. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 02 - 8 Least possible value for variable.webm 2.79MB
  8753. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/01 - Graphing and analyzing proportional relationships - 02 - Representing and comparing rates.webm 2.79MB
  8754. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/05 - Rates for proportional relationships - 02 - Representing and comparing rates.webm 2.79MB
  8755. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 02 - 2003 AIME II problem 3.webm 2.79MB
  8756. Math/13 - Geometry - 08 - Special properties and parts of triangles/02 - Angle bisectors - 05 - Angle bisector theorem examples.webm 2.79MB
  8757. Partner content/18 - NASA - 03 - Exploring the Universe/01 - Mars_ Ancient observations - 01 - Is Mars really red_.webm 2.79MB
  8758. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 09 - 9 Constitutional Convention.webm 2.79MB
  8759. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 09 - 9 Constitutional Convention.webm 2.79MB
  8760. Math/09 - Pre-algebra - 08 - Arithmetic properties/09 - Arithmetic properties - 02 - Commutative property for addition.webm 2.79MB
  8761. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 13 - 14 Equation of diameter of circle.webm 2.79MB
  8762. Science/07 - Discoveries and projects - 01 - Discoveries/07 - Electric motor - 01 - Spinning compass.webm 2.78MB
  8763. Math/17 - Precalculus - 01 - Vectors/01 - Vector basics - 02 - Classifying vectors and quantities example.webm 2.78MB
  8764. Test prep/04 - GMAT - 01 - Problem solving/01 - Problem solving - 31 - GMAT_ Math 31.webm 2.77MB
  8765. Math/02 - 3rd grade (U.S.) - 03 - Fractions/02 - Comparing fractions - 06 - Different ways to represent 1 as a fraction.webm 2.77MB
  8766. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 16 - Extraneous solutions to rational equations.webm 2.77MB
  8767. Math/14 - Algebra II - 04 - Rational expressions/05 - Solving rational equations - 09 - Extraneous solutions to rational equations.webm 2.77MB
  8768. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/05 - Multiplication, division word problems - 01 - Multiplication, division word problems_ how many field goals_.webm 2.77MB
  8769. Math/08 - Arithmetic - 02 - Multiplication and division/09 - Fancy multiplication and division word problems - 01 - Multiplication, division word problems_ how many field goals_.webm 2.77MB
  8770. Math/11 - Algebra I - 03 - Linear inequalities/03 - Structure in linear expressions - 04 - Using expressions to understand relationships.webm 2.77MB
  8771. Math/11 - Algebra I - 08 - Exponent expressions and equations/05 - Radical equations - 01 - Solving radical equations.webm 2.76MB
  8772. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/05 - Fahrenheit and Celsius conversion - 02 - Comparing Celsius and Fahrenheit temperature scales.webm 2.76MB
  8773. Math/14 - Algebra II - 01 - Systems of equations and inequalities/04 - Non-linear systems of equations - 08 - Systems of nonlinear equations 2.webm 2.76MB
  8774. Math/01 - Early math - 03 - Addition and subtraction/01 - Basic addition and subtraction - 02 - Introduction to subtraction.webm 2.76MB
  8775. Math/11 - Algebra I - 09 - Functions/06 - Evaluating function expressions - 03 - Product of functions.webm 2.76MB
  8776. Math/14 - Algebra II - 02 - Functions and their graphs/02 - Function expressions - 03 - Product of functions.webm 2.76MB
  8777. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 11 - Prejudice vs discrimination.webm 2.76MB
  8778. Math/10 - Algebra basics - 03 - Linear equations and inequalities/04 - Linear inequalities - 08 - Multi-step inequalities 2.webm 2.76MB
  8779. Math/11 - Algebra I - 03 - Linear inequalities/01 - Thinking algebraically about inequalities - 08 - Multi-step inequalities 2.webm 2.76MB
  8780. Math/07 - 8th grade (U.S.) - 06 - Data and modeling/04 - Two-way tables - 03 - Video games and violence.webm 2.75MB
  8781. Math/16 - Probability and statistics - 03 - Statistical studies/04 - Categorical data - 01 - Video games and violence.webm 2.75MB
  8782. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/01 - Graphing and analyzing proportional relationships - 05 - Graphing proportional relationships example 3.webm 2.75MB
  8783. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/04 - Proportional relationships - 08 - Graphing proportional relationships example 3.webm 2.75MB
  8784. Math/10 - Algebra basics - 07 - Quadratics and polynomials/02 - Multiplying binomials - 04 - Square a binomial.webm 2.75MB
  8785. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/02 - Multiplying binomials - 06 - Square a binomial.webm 2.75MB
  8786. Partner content/12 - Stanford School of Medicine - 02 - Influenza/01 - Influenza - 02 - Flu Epidemiology.webm 2.75MB
  8787. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/05 - Factoring special products - 07 - Example_ Factoring special products.webm 2.75MB
  8788. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/03 - Solving systems with substitution - 01 - Example 1_ Solving systems by substitution.webm 2.75MB
  8789. Math/11 - Algebra I - 05 - Systems of equations and inequalities/05 - Solving systems with substitution - 01 - Example 1_ Solving systems by substitution.webm 2.75MB
  8790. Math/01 - Early math - 03 - Addition and subtraction/05 - Addition within 100 - 06 - Adding by getting to group of 10 first.webm 2.74MB
  8791. Test prep/02 - MCAT - 06 - Processing the environment/13 - Drug dependence - 04 - Drug dependence and homeostasis.webm 2.74MB
  8792. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/06 - Factoring by grouping - 06 - Example 4_ Factoring by grouping.webm 2.74MB
  8793. Science/06 - Health and medicine - 02 - Human anatomy and physiology/08 - Skeletal system introduction - 06 - Ligaments, tendons, and joints.webm 2.73MB
  8794. Test prep/02 - MCAT - 03 - Organ systems/16 - Skeletal system - 06 - Ligaments, tendons, and joints.webm 2.73MB
  8795. Test prep/03 - NCLEX-RN - 13 - Skeletal system/01 - Skeletal system - 06 - Ligaments, tendons, and joints.webm 2.73MB
  8796. Math/01 - Early math - 03 - Addition and subtraction/06 - Subtraction within 100 - 02 - Understanding place value when subtracting tens.webm 2.73MB
  8797. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 10 - Perpendicular lines.webm 2.73MB
  8798. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/05 - Dividing fractions by fractions - 03 - Dividing fractions example 2.webm 2.72MB
  8799. Math/08 - Arithmetic - 05 - Fractions/16 - Dividing fractions by fractions - 03 - Dividing fractions example 2.webm 2.72MB
  8800. Math/09 - Pre-algebra - 04 - Fractions/16 - Dividing fractions by fractions - 03 - Dividing fractions example 2.webm 2.72MB
  8801. Math/18 - Differential calculus - 02 - Taking derivatives/07 - Chain rule - 01 - Derivatives of sin x, cos x, tan x, e^x and ln x.webm 2.72MB
  8802. Math/18 - Differential calculus - 02 - Taking derivatives/08 - Product and quotient rules - 01 - Derivatives of sin x, cos x, tan x, e^x and ln x.webm 2.72MB
  8803. Math/11 - Algebra I - 10 - Ratios and proportions/03 - Rational and irrational numbers - 05 - Proof that sum of rational and irrational is irrational.webm 2.72MB
  8804. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 14 - 14 Distance within cylinder.webm 2.72MB
  8805. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 04 - 19 True statements based on constraints.webm 2.72MB
  8806. Math/06 - 7th grade (U.S.) - 05 - Geometry/02 - Scale drawings - 03 - How to make a scale drawing.webm 2.72MB
  8807. Math/12 - Basic geometry - 05 - Area and perimeter/03 - Scale drawings - 03 - How to make a scale drawing.webm 2.72MB
  8808. Computing/02 - Computer science - 02 - Journey into cryptography/04 - Modern cryptography - 08 - Euler's totient function.webm 2.72MB
  8809. Science/02 - Physics - 02 - Two-dimensional motion/01 - Two-dimensional projectile motion - 07 - Correction to total final velocity for projectile.webm 2.71MB
  8810. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/06 - Recognizing functions - 08 - Recognizing functions (example 4).webm 2.71MB
  8811. Math/11 - Algebra I - 09 - Functions/02 - Recognizing functions - 08 - Recognizing functions (example 4).webm 2.71MB
  8812. Math/14 - Algebra II - 02 - Functions and their graphs/04 - Recognizing functions - 08 - Recognizing functions (example 4).webm 2.71MB
  8813. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 03 - How fast were dinosaurs_.webm 2.71MB
  8814. Math/18 - Differential calculus - 01 - Limits/08 - Epsilon delta definition of limits - 01 - Limit intuition review.webm 2.70MB
  8815. Math/11 - Algebra I - 05 - Systems of equations and inequalities/08 - Systems of inequalities - 03 - Graphing systems of inequalities.webm 2.70MB
  8816. Math/14 - Algebra II - 01 - Systems of equations and inequalities/02 - Systems of inequalities - 02 - Graphing systems of inequalities.webm 2.70MB
  8817. Math/13 - Geometry - 10 - Transformations/01 - Symmetry - 03 - Constructing quadrilateral based on symmetry.webm 2.70MB
  8818. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 16 - 15 Equation of line.webm 2.70MB
  8819. Science/07 - Discoveries and projects - 01 - Discoveries/04 - Discovery of batteries - 09 - Electrode (surface area test).webm 2.70MB
  8820. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/04 - Stokes' theorem intuition and application - 06 - Stokes example part 1.webm 2.70MB
  8821. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 15 - 14 Small arc length.webm 2.69MB
  8822. Math/11 - Algebra I - 08 - Exponent expressions and equations/02 - Exponent properties examples with variables - 12 - Simplifying expressions with exponents 2.webm 2.69MB
  8823. Math/10 - Algebra basics - 07 - Quadratics and polynomials/06 - Polynomial basics - 03 - Simplify a polynomial.webm 2.69MB
  8824. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/08 - Polynomial basics - 06 - Simplify a polynomial.webm 2.69MB
  8825. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 11 - 11 Proportion of total votes.webm 2.69MB
  8826. Math/13 - Geometry - 12 - Geometric constructions/02 - Constructing regular polygons inscribed in circles - 01 - Constructing square inscribed in circle.webm 2.69MB
  8827. Math/20 - Multivariable calculus - 04 - Surface integrals and Stokes' theorem/04 - Stokes' theorem intuition and application - 03 - Orienting boundary with surface.webm 2.69MB
  8828. Math/01 - Early math - 03 - Addition and subtraction/03 - Addition and subtraction within 20 - 02 - Example adding within 20.webm 2.69MB
  8829. Math/17 - Precalculus - 02 - Matrices/04 - Zero and identity matrices - 02 - Dimensions of identity matrix.webm 2.69MB
  8830. Math/02 - 3rd grade (U.S.) - 04 - Measurement and geometry/01 - Area - 04 - Comparing areas of plots of land.webm 2.68MB
  8831. Math/09 - Pre-algebra - 09 - Measurement/01 - Area basics - 05 - Comparing areas of plots of land.webm 2.68MB
  8832. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/01 - Neural cells and neurotransmitters - 07 - Oligodendrocytes.webm 2.68MB
  8833. Test prep/02 - MCAT - 03 - Organ systems/02 - Neural cells - 07 - Oligodendrocytes.webm 2.68MB
  8834. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/06 - Solving basic equations - 02 - Representing a relationship with a simple equation.webm 2.68MB
  8835. Math/11 - Algebra I - 01 - Introduction to algebra/06 - The why of algebra - 02 - Representing a relationship with a simple equation.webm 2.68MB
  8836. Math/11 - Algebra I - 02 - Linear equations/01 - The why of algebra - 02 - Representing a relationship with a simple equation.webm 2.68MB
  8837. Math/18 - Differential calculus - 02 - Taking derivatives/08 - Product and quotient rules - 03 - Product rule for more than two functions.webm 2.68MB
  8838. Arts and humanities/08 - Monarchy and enlightenment - 02 - Rococo/01 - Rococo - 08 - Vigée Le Brun, Madame Perregaux.webm 2.67MB
  8839. Math/03 - 4th grade (U.S.) - 03 - Fractions/03 - Adding and subtracting fractions with common denominators - 01 - Adding fractions with like denominators.webm 2.67MB
  8840. Math/08 - Arithmetic - 05 - Fractions/06 - Adding and subtracting fractions - 01 - Adding fractions with like denominators.webm 2.67MB
  8841. Math/09 - Pre-algebra - 04 - Fractions/07 - Adding and subtracting fractions - 01 - Adding fractions with like denominators.webm 2.67MB
  8842. Economics and finance/02 - Macroeconomics - 02 - Inflation - measuring the cost of living/04 - Inflationary and deflationary scenarios - 01 - Moderate inflation in a good economy.webm 2.66MB
  8843. Economics and finance/03 - Finance and capital markets - 03 - Inflation/02 - Inflation scenarios - 01 - Moderate inflation in a good economy.webm 2.66MB
  8844. Math/03 - 4th grade (U.S.) - 03 - Fractions/04 - Word problems_ Adding and subtracting fractions - 03 - Word problem_ What fraction of an hour should the piano still be practiced_.webm 2.66MB
  8845. Math/08 - Arithmetic - 05 - Fractions/06 - Adding and subtracting fractions - 04 - Word problem_ What fraction of an hour should the piano still be practiced_.webm 2.66MB
  8846. Math/09 - Pre-algebra - 04 - Fractions/07 - Adding and subtracting fractions - 04 - Word problem_ What fraction of an hour should the piano still be practiced_.webm 2.66MB
  8847. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/06 - Factoring by grouping - 02 - Example_ Basic grouping.webm 2.66MB
  8848. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/02 - Unit conversion - 01 - Converting between units of time.webm 2.65MB
  8849. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/06 - Solving basic equations - 06 - Dividing from both sides of an equation.webm 2.65MB
  8850. Math/11 - Algebra I - 01 - Introduction to algebra/06 - The why of algebra - 06 - Dividing from both sides of an equation.webm 2.65MB
  8851. Math/11 - Algebra I - 02 - Linear equations/01 - The why of algebra - 06 - Dividing from both sides of an equation.webm 2.65MB
  8852. Math/01 - Early math - 03 - Addition and subtraction/06 - Subtraction within 100 - 01 - Understanding place value while subtracting ones.webm 2.64MB
  8853. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 06 - Interpreting linear functions example.webm 2.64MB
  8854. Math/11 - Algebra I - 09 - Functions/07 - Analyzing linear functions - 04 - Interpreting linear functions example.webm 2.64MB
  8855. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/04 - Solving systems with elimination - 02 - Example 2_ Solving systems by elimination.webm 2.64MB
  8856. Math/11 - Algebra I - 05 - Systems of equations and inequalities/06 - Solving systems with elimination (addition-elimination) - 02 - Example 2_ Solving systems by elimination.webm 2.64MB
  8857. Math/11 - Algebra I - 08 - Exponent expressions and equations/05 - Radical equations - 04 - Solving radical equations 2.webm 2.64MB
  8858. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 13 - 12 Missing angle alternate solution.webm 2.64MB
  8859. Math/18 - Differential calculus - 03 - Derivative applications/05 - Concavity and inflection points - 03 - Inflection points.webm 2.63MB
  8860. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/01 - Writing expressions - 05 - Writing algebraic expressions.webm 2.63MB
  8861. Math/11 - Algebra I - 01 - Introduction to algebra/04 - Writing and interpreting expressions - 02 - Writing algebraic expressions.webm 2.63MB
  8862. Math/11 - Algebra I - 08 - Exponent expressions and equations/05 - Radical equations - 08 - Applying radical equations 3.webm 2.63MB
  8863. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/02 - Regrouping decimal numbers - 06 - Regrouping decimals example 2.webm 2.63MB
  8864. Math/08 - Arithmetic - 04 - Decimals/02 - Regrouping decimals - 03 - Regrouping decimals example 2.webm 2.63MB
  8865. Math/09 - Pre-algebra - 03 - Decimals/02 - Regrouping decimals - 03 - Regrouping decimals example 2.webm 2.63MB
  8866. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/01 - Reading and interpreting data - 02 - Reading stem and leaf plots.webm 2.63MB
  8867. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/01 - Multiplication - 05 - Multiplying_ 4 digits times 1 digit (with carrying).webm 2.63MB
  8868. Math/08 - Arithmetic - 02 - Multiplication and division/05 - Multi-digit multiplication - 06 - Multiplying_ 4 digits times 1 digit (with carrying).webm 2.63MB
  8869. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 09 - 9 Similar triangles.webm 2.62MB
  8870. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/01 - Reading and interpreting data - 10 - Reading line graphs.webm 2.62MB
  8871. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/01 - Measuring with metric and U.S. customary units_ intro - 05 - U.S. customary units_ weight.webm 2.62MB
  8872. Test prep/02 - MCAT - 08 - Individuals and society/03 - Social behavior - 04 - Harlow monkey experiments.webm 2.62MB
  8873. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 08 - Harlow monkey experiments.webm 2.62MB
  8874. Math/08 - Arithmetic - 05 - Fractions/12 - Mixed number addition and subtraction - 03 - Adding mixed numbers word problem.webm 2.62MB
  8875. Math/09 - Pre-algebra - 04 - Fractions/12 - Mixed number addition and subtraction - 03 - Adding mixed numbers word problem.webm 2.62MB
  8876. Math/13 - Geometry - 10 - Transformations/04 - Transformations on the coordinate plane - 06 - Determining a translation between points.webm 2.61MB
  8877. Math/14 - Algebra II - 04 - Rational expressions/02 - Adding and subtracting rational expressions - 03 - Simplifying first for subtracting rational expressions.webm 2.61MB
  8878. Math/07 - 8th grade (U.S.) - 05 - Geometry/01 - Algebraically determining segment length - 02 - Algebraic midpoint of a segment exercise.webm 2.61MB
  8879. Partner content/08 - American Museum of Natural History - 01 - Dinosaurs/02 - How do scientists study dinosaurs_ - 09 - Did dinosaurs fight_.webm 2.61MB
  8880. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/04 - Percentages - 08 - Finding a percentage.webm 2.60MB
  8881. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 08 - Finding a percentage.webm 2.60MB
  8882. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 08 - Finding a percentage.webm 2.60MB
  8883. Math/10 - Algebra basics - 01 - Foundations/07 - Decimals, fractions and percentages - 06 - Finding a percentage.webm 2.60MB
  8884. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 11 - Naming two isobutlyl groups systematically.webm 2.60MB
  8885. Math/13 - Geometry - 12 - Geometric constructions/03 - Constructing circumcircles and incircles - 01 - Constructing circle inscribing triangle.webm 2.60MB
  8886. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/03 - Stellar parallax - 04 - Stellar parallax clarification.webm 2.60MB
  8887. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/01 - Radians - 05 - Ratio between concentric arcs.webm 2.60MB
  8888. Math/11 - Algebra I - 09 - Functions/03 - Domain and range - 02 - Domain and range of a relation.webm 2.60MB
  8889. Math/14 - Algebra II - 02 - Functions and their graphs/03 - Domain and range - 02 - Domain and range of a relation.webm 2.60MB
  8890. Math/11 - Algebra I - 08 - Exponent expressions and equations/04 - Simplifying radical expressions - 01 - Radical equivalent to rational exponents.webm 2.59MB
  8891. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/01 - Reading and interpreting data - 03 - Reading pictographs.webm 2.59MB
  8892. Math/11 - Algebra I - 02 - Linear equations/10 - Absolute value equations - 09 - Absolute value inequalities example 1.webm 2.59MB
  8893. Math/11 - Algebra I - 03 - Linear inequalities/02 - Compound and absolute value inequalities - 07 - Absolute value inequalities example 1.webm 2.59MB
  8894. Math/14 - Algebra II - 07 - Imaginary and complex numbers/02 - Complex numbers - 08 - Absolute value of a complex number.webm 2.59MB
  8895. Math/17 - Precalculus - 04 - Imaginary and complex numbers/05 - The complex plane - 02 - Absolute value of a complex number.webm 2.59MB
  8896. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/04 - Inverse trig functions - 09 - Angle of sun with the ground based on shadow.webm 2.59MB
  8897. Science/06 - Health and medicine - 11 - Advanced nervous system physiology/01 - Neural cells and neurotransmitters - 08 - Schwann cells.webm 2.58MB
  8898. Test prep/02 - MCAT - 03 - Organ systems/02 - Neural cells - 08 - Schwann cells.webm 2.58MB
  8899. Math/01 - Early math - 03 - Addition and subtraction/03 - Addition and subtraction within 20 - 04 - Adding 3 numbers.webm 2.58MB
  8900. Math/13 - Geometry - 10 - Transformations/03 - Dilations or scaling around a point - 04 - Dilating from an arbitrary point example.webm 2.57MB
  8901. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/01 - Decimals and place value_ conceptualizing - 03 - Decimals_ writing it out in words 2.webm 2.57MB
  8902. Math/08 - Arithmetic - 04 - Decimals/01 - Conceptualizing decimals and place notation - 03 - Decimals_ writing it out in words 2.webm 2.57MB
  8903. Math/09 - Pre-algebra - 03 - Decimals/01 - Conceptualizing decimals and place notation - 03 - Decimals_ writing it out in words 2.webm 2.57MB
  8904. Science/07 - Discoveries and projects - 01 - Discoveries/04 - Discovery of batteries - 10 - Standard cell.webm 2.57MB
  8905. Math/14 - Algebra II - 02 - Functions and their graphs/09 - Properties and features of functions - 06 - Recognizing features of functions (example 3).webm 2.57MB
  8906. Math/19 - Integral calculus - 03 - Integration applications/05 - Solids of revolution - disc method - 02 - Generalizing disc method around x-axis.webm 2.56MB
  8907. Math/01 - Early math - 03 - Addition and subtraction/06 - Subtraction within 100 - 03 - Subtracting 2 digit numbers without regrouping.webm 2.56MB
  8908. Math/08 - Arithmetic - 01 - Addition and subtraction/04 - Subtracting within 1000 - 01 - Subtracting 2 digit numbers without regrouping.webm 2.56MB
  8909. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/01 - Radians - 03 - Arc length as fraction of circumference.webm 2.56MB
  8910. Math/07 - 8th grade (U.S.) - 05 - Geometry/07 - Volume - 03 - Volume of a sphere.webm 2.56MB
  8911. Math/12 - Basic geometry - 06 - Volume and surface area/03 - Volume of cones, cylinders, and spheres - 03 - Volume of a sphere.webm 2.56MB
  8912. Math/13 - Geometry - 06 - Perimeter, area, and volume/07 - Volume and surface area - 07 - Volume of a sphere.webm 2.56MB
  8913. Test prep/02 - MCAT - 08 - Individuals and society/05 - Biological explanations of social behavior in animals - 01 - Animal behavior_ foraging.webm 2.56MB
  8914. Math/11 - Algebra I - 08 - Exponent expressions and equations/03 - Fractional exponents - 05 - Negative fractional exponent examples 2.webm 2.56MB
  8915. Arts and humanities/03 - Art history basics - 02 - The materials and techniques artists use/03 - Painting - 12 - Art Terms in Action_ Turpentine Burn.webm 2.56MB
  8916. Partner content/04 - The Museum of Modern Art - 05 - Art terms in action/01 - Art terms in action - 02 - Art Terms in Action_ Turpentine Burn.webm 2.56MB
  8917. Math/03 - 4th grade (U.S.) - 06 - Factors, multiples and patterns/03 - Math patterns - 02 - Math patterns example 1.webm 2.55MB
  8918. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/05 - Number patterns - 02 - Math patterns example 1.webm 2.55MB
  8919. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 13 - Arbitrage basics.webm 2.55MB
  8920. Math/19 - Integral calculus - 01 - Integrals/04 - Properties of the definite integral - 04 - Breaking up integral interval.webm 2.55MB
  8921. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/01 - Decimals and place value_ conceptualizing - 02 - Decimals_ writing it out in words.webm 2.55MB
  8922. Math/08 - Arithmetic - 04 - Decimals/01 - Conceptualizing decimals and place notation - 02 - Decimals_ writing it out in words.webm 2.55MB
  8923. Math/09 - Pre-algebra - 03 - Decimals/01 - Conceptualizing decimals and place notation - 02 - Decimals_ writing it out in words.webm 2.55MB
  8924. Science/07 - Discoveries and projects - 01 - Discoveries/05 - Discovery of electromagnetism - 04 - Electromagnetic field (loop).webm 2.55MB
  8925. Math/13 - Geometry - 12 - Geometric constructions/03 - Constructing circumcircles and incircles - 02 - Constructing circumscribing circle.webm 2.54MB
  8926. Math/01 - Early math - 03 - Addition and subtraction/05 - Addition within 100 - 03 - Adding two digit numbers without regrouping.webm 2.54MB
  8927. Science/06 - Health and medicine - 12 - Executive systems of the brain/04 - Memory - 06 - Long term potentiation and synaptic plasticity.webm 2.54MB
  8928. Test prep/02 - MCAT - 06 - Processing the environment/09 - Memory - 06 - Long term potentiation and synaptic plasticity.webm 2.54MB
  8929. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/02 - Proportional relationships - 01 - Analyzing and identifying proportional relationships.webm 2.54MB
  8930. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/04 - Proportional relationships - 01 - Analyzing and identifying proportional relationships.webm 2.54MB
  8931. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 01 - Status.webm 2.54MB
  8932. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/01 - Radians - 08 - Example_ Converting radians to degrees.webm 2.54MB
  8933. Math/08 - Arithmetic - 05 - Fractions/13 - Mixed number multiplication and division - 05 - Dividing mixed numbers and fractions.webm 2.54MB
  8934. Math/09 - Pre-algebra - 04 - Fractions/13 - Mixed number multiplication and division - 05 - Dividing mixed numbers and fractions.webm 2.54MB
  8935. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/05 - Multiplication, division word problems - 02 - Multiplication, division word problems_ how many pieces of pizzas_.webm 2.53MB
  8936. Math/08 - Arithmetic - 02 - Multiplication and division/09 - Fancy multiplication and division word problems - 02 - Multiplication, division word problems_ how many pieces of pizzas_.webm 2.53MB
  8937. Math/07 - 8th grade (U.S.) - 02 - Solving equations/02 - Solving equations with distribution - 02 - Ex 2_ Multi-step equation.webm 2.53MB
  8938. Math/11 - Algebra I - 02 - Linear equations/11 - Simplifying complicated equations - 01 - Ex 2_ Multi-step equation.webm 2.53MB
  8939. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/03 - Word problems_ moving between units of measurement - 03 - Units of measurement word problem_ making change.webm 2.53MB
  8940. Math/08 - Arithmetic - 02 - Multiplication and division/02 - Basic multiplication - 04 - Example_ Ways to represent multiplication.webm 2.52MB
  8941. Math/02 - 3rd grade (U.S.) - 01 - Addition and subtraction/02 - Using regrouping to subtract within 1000 - 02 - Subtracting_ three digit numbers and regrouping.webm 2.52MB
  8942. Math/03 - 4th grade (U.S.) - 01 - Addition and subtraction/02 - Subtracting_ multi-digit numbers - 02 - Subtracting_ three digit numbers and regrouping.webm 2.52MB
  8943. Math/08 - Arithmetic - 01 - Addition and subtraction/04 - Subtracting within 1000 - 04 - Subtracting_ three digit numbers and regrouping.webm 2.52MB
  8944. Science/07 - Discoveries and projects - 01 - Discoveries/01 - Discovery of magnetism - 04 - Compass build (stroke direction).webm 2.52MB
  8945. Math/09 - Pre-algebra - 08 - Arithmetic properties/09 - Arithmetic properties - 08 - Number properties terminology 1.webm 2.52MB
  8946. Math/10 - Algebra basics - 07 - Quadratics and polynomials/01 - Factoring simple expressions - 01 - Factoring linear binomials.webm 2.52MB
  8947. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/03 - Factoring simple expressions - 02 - Factoring linear binomials.webm 2.52MB
  8948. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/03 - Comparing with multiplication - 04 - Comparing with multiplication_ age.webm 2.52MB
  8949. Math/08 - Arithmetic - 02 - Multiplication and division/04 - Starter multiplication and division word problems - 02 - Comparing with multiplication_ age.webm 2.52MB
  8950. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/01 - Rates - 01 - Rate problem using fractions.webm 2.52MB
  8951. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/05 - Rates for proportional relationships - 03 - Rate problem using fractions.webm 2.52MB
  8952. Math/18 - Differential calculus - 02 - Taking derivatives/04 - Visualizing graphs of functions and their derivatives - 02 - Interpreting slope of a curve exercise.webm 2.51MB
  8953. Math/22 - Linear algebra - 02 - Matrix transformations/06 - More determinant depth - 02 - (correction) scalar multiplication of row.webm 2.51MB
  8954. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/04 - Area and perimeter - 01 - Area and perimeter word problem_ width of a dog pen.webm 2.51MB
  8955. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/02 - Intercepts of linear functions - 04 - x- and y-intercepts 2.webm 2.51MB
  8956. Math/10 - Algebra basics - 04 - Graphing lines and slope/03 - Graphing with intercepts - 03 - x- and y-intercepts 2.webm 2.51MB
  8957. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/03 - x-intercepts and y-intercepts of linear functions - 04 - x- and y-intercepts 2.webm 2.51MB
  8958. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 20 - 9 Painting red cubes blue.webm 2.50MB
  8959. Math/03 - 4th grade (U.S.) - 06 - Factors, multiples and patterns/02 - Factors and multiples - 03 - Interactive module_ finding factors.webm 2.49MB
  8960. Math/09 - Pre-algebra - 02 - Factors and multiples/02 - Divisibility and factors - 03 - Interactive module_ finding factors.webm 2.49MB
  8961. Math/01 - Early math - 03 - Addition and subtraction/07 - Addition and subtraction word problems within 100 - 06 - Fewer word problems.webm 2.49MB
  8962. Math/11 - Algebra I - 10 - Ratios and proportions/03 - Rational and irrational numbers - 04 - Proof that rational times irrational is irrational.webm 2.49MB
  8963. Math/14 - Algebra II - 03 - Polynomial and rational functions/05 - Dividing polynomials - 04 - Dividing polynomials 1.webm 2.48MB
  8964. Test prep/02 - MCAT - 07 - Behavior/11 - Theories of attitude and behavior change - 05 - Reciprocal determinism.webm 2.48MB
  8965. Math/02 - 3rd grade (U.S.) - 03 - Fractions/02 - Comparing fractions - 09 - Comparing fractions of different wholes.webm 2.48MB
  8966. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 22 - 11 Computing with set members.webm 2.48MB
  8967. Math/01 - Early math - 03 - Addition and subtraction/05 - Addition within 100 - 01 - Understanding place value when adding ones.webm 2.47MB
  8968. Math/14 - Algebra II - 03 - Polynomial and rational functions/05 - Dividing polynomials - 06 - Dividing polynomials with remainders example.webm 2.46MB
  8969. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/04 - Percentages - 01 - The meaning of percent.webm 2.46MB
  8970. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 01 - The meaning of percent.webm 2.46MB
  8971. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 01 - The meaning of percent.webm 2.46MB
  8972. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/01 - Writing expressions - 01 - What is a variable_.webm 2.46MB
  8973. Math/10 - Algebra basics - 02 - Algebraic expressions/01 - Variables and expressions - 01 - What is a variable_.webm 2.46MB
  8974. Math/11 - Algebra I - 01 - Introduction to algebra/02 - Variables and expressions - 01 - What is a variable_.webm 2.46MB
  8975. Math/06 - 7th grade (U.S.) - 05 - Geometry/04 - Area, volume, and surface area - 01 - Find the volume of a ring.webm 2.46MB
  8976. Math/05 - 6th grade (U.S.) - 04 - Properties of numbers/03 - Distributive property - 04 - Distributive property exercise examples.webm 2.46MB
  8977. Math/09 - Pre-algebra - 08 - Arithmetic properties/08 - The distributive property - 04 - Distributive property exercise examples.webm 2.46MB
  8978. Partner content/12 - Stanford School of Medicine - 02 - Influenza/01 - Influenza - 03 - Flu Pathophysiology.webm 2.46MB
  8979. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 05 - Making aligned hardware, software, and space decisions in a blended learning environment/01 - Hardware, software and facilities decisions overview - 01 - Hardware, software and space_ intro and big ideas.webm 2.45MB
  8980. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 28 - 13 Least possible value of z.webm 2.45MB
  8981. Math/11 - Algebra I - 02 - Linear equations/10 - Absolute value equations - 02 - Absolute value equations example 1.webm 2.45MB
  8982. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/04 - Solving systems with elimination - 06 - Addition elimination method 4.webm 2.45MB
  8983. Math/11 - Algebra I - 05 - Systems of equations and inequalities/06 - Solving systems with elimination (addition-elimination) - 06 - Addition elimination method 4.webm 2.45MB
  8984. Science/07 - Discoveries and projects - 01 - Discoveries/08 - Electrostatics - 03 - Foil leaf electroscope.webm 2.44MB
  8985. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/03 - Series - 03 - Writing a series in sigma notation.webm 2.44MB
  8986. Math/05 - 6th grade (U.S.) - 03 - Negative numbers/02 - Absolute value - 02 - Absolute value smallest to biggest.webm 2.44MB
  8987. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/04 - Absolute value - 02 - Absolute value smallest to biggest.webm 2.44MB
  8988. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/04 - Absolute value - 02 - Absolute value smallest to biggest.webm 2.44MB
  8989. Partner content/06 - California Academy of Sciences - 01 - Welcome to the world of biodiversity_/01 - Welcome - 01 - California Academy of Sciences.webm 2.44MB
  8990. Math/05 - 6th grade (U.S.) - 03 - Negative numbers/01 - Negative number basics - 02 - Negative numbers and number line examples.webm 2.44MB
  8991. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/01 - Negative number basics - 02 - Negative numbers and number line examples.webm 2.44MB
  8992. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/01 - Negative number basics - 02 - Negative numbers and number line examples.webm 2.44MB
  8993. Science/07 - Discoveries and projects - 01 - Discoveries/02 - Discovery of magnetic fields - 01 - Magnet near compass.webm 2.43MB
  8994. Math/10 - Algebra basics - 04 - Graphing lines and slope/04 - Slope of a line - 08 - Intuitive understanding of slope example.webm 2.43MB
  8995. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/06 - Slope - 08 - Intuitive understanding of slope example.webm 2.43MB
  8996. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 08 - 20 Slope between points.webm 2.42MB
  8997. Math/11 - Algebra I - 07 - Quadratic equations/06 - Graphing quadratics - 09 - Graphing a parabola in vertex form.webm 2.42MB
  8998. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/07 - Dependent probability - 03 - Independent or dependent probability event_.webm 2.42MB
  8999. Math/16 - Probability and statistics - 01 - Independent and dependent events/04 - Dependent probability - 04 - Independent or dependent probability event_.webm 2.42MB
  9000. Math/17 - Precalculus - 05 - Probability and combinatorics/04 - Dependent events - 03 - Independent or dependent probability event_.webm 2.42MB
  9001. Science/07 - Discoveries and projects - 01 - Discoveries/04 - Discovery of batteries - 06 - Electrolyte (salt test).webm 2.42MB
  9002. Math/07 - 8th grade (U.S.) - 06 - Data and modeling/02 - Scatter plots - 01 - Studying, shoe size, and test scores scatter plots.webm 2.41MB
  9003. Math/16 - Probability and statistics - 06 - Regression/01 - Scatter plots - 01 - Studying, shoe size, and test scores scatter plots.webm 2.41MB
  9004. Math/05 - 6th grade (U.S.) - 06 - Geometry/01 - Coordinate plane - 03 - Coordinate plane_ quadrants.webm 2.41MB
  9005. Math/10 - Algebra basics - 04 - Graphing lines and slope/01 - Graphing on the coordinate plane - 04 - Coordinate plane_ quadrants.webm 2.41MB
  9006. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/01 - Coordinate plane - 05 - Coordinate plane_ quadrants.webm 2.41MB
  9007. Math/12 - Basic geometry - 04 - The coordinate plane/01 - Coordinate plane - 04 - Coordinate plane_ quadrants.webm 2.41MB
  9008. Math/18 - Differential calculus - 03 - Derivative applications/04 - Absolute and relative maxima and minima - 03 - Identifying relative minimum and maximum values.webm 2.41MB
  9009. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/01 - Writing expressions - 07 - Writing algebraic expressions word problem.webm 2.40MB
  9010. Math/11 - Algebra I - 01 - Introduction to algebra/04 - Writing and interpreting expressions - 06 - Writing algebraic expressions word problem.webm 2.40MB
  9011. Math/18 - Differential calculus - 02 - Taking derivatives/04 - Visualizing graphs of functions and their derivatives - 05 - Identifying a function's derivative example.webm 2.40MB
  9012. Math/01 - Early math - 03 - Addition and subtraction/01 - Basic addition and subtraction - 01 - Introduction to addition.webm 2.40MB
  9013. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 04 - Perpendicular line slope.webm 2.39MB
  9014. Math/14 - Algebra II - 03 - Polynomial and rational functions/09 - Polynomial graphs and end behavior - 04 - Polynomial end behavior exercise example.webm 2.39MB
  9015. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/05 - Working with rational numbers - 04 - Rational number word problem with ratios.webm 2.39MB
  9016. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/04 - Cross topic arithmetic - 02 - Rational number word problem with ratios.webm 2.39MB
  9017. Math/05 - 6th grade (U.S.) - 03 - Negative numbers/01 - Negative number basics - 03 - Ordering negative numbers.webm 2.39MB
  9018. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/01 - Negative number basics - 03 - Ordering negative numbers.webm 2.39MB
  9019. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/01 - Negative number basics - 03 - Ordering negative numbers.webm 2.39MB
  9020. Math/10 - Algebra basics - 01 - Foundations/01 - Negative numbers - 02 - Ordering negative numbers.webm 2.39MB
  9021. Math/15 - Trigonometry - 04 - Trig identities and examples/02 - Pythagorean identity - 04 - Examples using pythagorean identities to simplify trigonometric expressions.webm 2.39MB
  9022. Math/07 - 8th grade (U.S.) - 05 - Geometry/08 - Transformations, congruence, and similarity - 07 - Reflection and mapping points example.webm 2.38MB
  9023. Math/12 - Basic geometry - 08 - Transformations, congruence, and similarity/01 - Transformations - 04 - Reflection and mapping points example.webm 2.38MB
  9024. Math/13 - Geometry - 10 - Transformations/04 - Transformations on the coordinate plane - 02 - Reflection and mapping points example.webm 2.38MB
  9025. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/05 - Solving equations and inequalities with substitution - 06 - Substituting variables and solving for an inequality.webm 2.38MB
  9026. Math/11 - Algebra I - 01 - Introduction to algebra/08 - Getting a feel for equations and inequalities - 05 - Substituting variables and solving for an inequality.webm 2.38MB
  9027. Math/17 - Precalculus - 08 - Limits/01 - Limit basics - 03 - Two-sided limit from graph.webm 2.38MB
  9028. Math/18 - Differential calculus - 01 - Limits/02 - Estimating limits from graphs - 04 - Two-sided limit from graph.webm 2.38MB
  9029. Math/14 - Algebra II - 02 - Functions and their graphs/03 - Domain and range - 06 - Domain and range 2.webm 2.37MB
  9030. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 11 - Perpendicular lines 2.webm 2.37MB
  9031. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/04 - Equivalent expressions - 03 - Combining like terms explained.webm 2.37MB
  9032. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/02 - Manipulating expressions - 03 - Combining like terms explained.webm 2.37MB
  9033. Math/10 - Algebra basics - 02 - Algebraic expressions/02 - Manipulating expressions - 02 - Combining like terms explained.webm 2.37MB
  9034. Math/11 - Algebra I - 01 - Introduction to algebra/03 - Manipulating expressions - 03 - Combining like terms explained.webm 2.37MB
  9035. Partner content/07 - Exploratorium - 01 - Light and color/02 - Colored shadows - 04 - Yellow and cyan challenge.webm 2.37MB
  9036. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 24 - 13 Exponent properties to simplify expression.webm 2.36MB
  9037. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/02 - Ratio word problems - 04 - Solving ratio problems with tables example 2.webm 2.36MB
  9038. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/01 - Ratios and proportions - 08 - Solving ratio problems with tables example 2.webm 2.36MB
  9039. Test prep/02 - MCAT - 08 - Individuals and society/04 - Social interactions - 02 - Role strain and role conflict.webm 2.36MB
  9040. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/02 - Solving linear systems graphically - 02 - Testing a solution for a system of equations.webm 2.36MB
  9041. Math/11 - Algebra I - 05 - Systems of equations and inequalities/03 - Solving systems graphically - 02 - Testing a solution for a system of equations.webm 2.36MB
  9042. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/04 - Percentages - 04 - Converting decimals to percents.webm 2.35MB
  9043. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 04 - Converting decimals to percents.webm 2.35MB
  9044. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 04 - Converting decimals to percents.webm 2.35MB
  9045. Math/08 - Arithmetic - 05 - Fractions/01 - Understanding fractions - 02 - Identifying fraction parts.webm 2.35MB
  9046. Math/09 - Pre-algebra - 04 - Fractions/01 - Understanding fractions - 02 - Identifying fraction parts.webm 2.35MB
  9047. Math/13 - Geometry - 10 - Transformations/03 - Dilations or scaling around a point - 03 - Thinking about dilations.webm 2.35MB
  9048. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 23 - Object image height and distance relationship.webm 2.35MB
  9049. Test prep/02 - MCAT - 04 - Physical processes/22 - Thin lenses - 05 - Object image height and distance relationship.webm 2.35MB
  9050. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 17 - 15 Sums of terms in a sequence.webm 2.35MB
  9051. Math/11 - Algebra I - 09 - Functions/06 - Evaluating function expressions - 02 - Sum of functions.webm 2.35MB
  9052. Math/14 - Algebra II - 02 - Functions and their graphs/02 - Function expressions - 01 - Sum of functions.webm 2.35MB
  9053. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 04 - 4 Kay's swimming brothers.webm 2.34MB
  9054. Math/10 - Algebra basics - 07 - Quadratics and polynomials/02 - Multiplying binomials - 07 - Squaring a binomial.webm 2.34MB
  9055. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/02 - Multiplying binomials - 09 - Squaring a binomial.webm 2.34MB
  9056. Math/14 - Algebra II - 04 - Rational expressions/05 - Solving rational equations - 01 - Ex 1_ Multi step equation.webm 2.34MB
  9057. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 04 - Comparing linear functions 2.webm 2.34MB
  9058. Math/11 - Algebra I - 09 - Functions/07 - Analyzing linear functions - 02 - Comparing linear functions 2.webm 2.34MB
  9059. Math/18 - Differential calculus - 02 - Taking derivatives/10 - Derivatives of inverse functions - 04 - Derivative of natural logarithm.webm 2.34MB
  9060. Math/19 - Integral calculus - 01 - Integrals/06 - Fundamental theorem of calculus - 03 - Swapping the bounds for definite integral.webm 2.33MB
  9061. Science/02 - Physics - 02 - Two-dimensional motion/02 - Optimal angle for a projectile - 03 - Optimal angle for a projectile part 3_ Horizontal distance as a function of angle (and speed).webm 2.33MB
  9062. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 11 - Identifying percent amount and base.webm 2.33MB
  9063. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 10 - Identifying percent amount and base.webm 2.33MB
  9064. Math/14 - Algebra II - 03 - Polynomial and rational functions/05 - Dividing polynomials - 03 - Dividing multivariable polynomial with monomial.webm 2.33MB
  9065. Science/06 - Health and medicine - 06 - Respiratory system diseases/02 - Asthma - 04 - Asthma severity.webm 2.32MB
  9066. Test prep/03 - NCLEX-RN - 05 - Respiratory system diseases/02 - Asthma - 04 - Asthma severity.webm 2.32MB
  9067. Math/07 - 8th grade (U.S.) - 05 - Geometry/04 - The Pythagorean theorem - 05 - Pythagorean theorem 3.webm 2.32MB
  9068. Math/10 - Algebra basics - 08 - Equations and geometry/03 - Pythagorean theorem - 04 - Pythagorean theorem 3.webm 2.32MB
  9069. Math/12 - Basic geometry - 07 - The Pythagorean theorem/01 - The Pythagorean theorem - 05 - Pythagorean theorem 3.webm 2.32MB
  9070. Math/13 - Geometry - 05 - Right triangles and trigonometry/01 - Pythagorean theorem - 05 - Pythagorean theorem 3.webm 2.32MB
  9071. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/04 - Multiplying by tens - 01 - Multiplying by multiples of 10.webm 2.32MB
  9072. Math/08 - Arithmetic - 02 - Multiplication and division/05 - Multi-digit multiplication - 01 - Multiplying by multiples of 10.webm 2.32MB
  9073. Math/08 - Arithmetic - 02 - Multiplication and division/05 - Multi-digit multiplication - 08 - Example_ 2-digit times 2-digit.webm 2.32MB
  9074. Math/01 - Early math - 03 - Addition and subtraction/02 - Addition and subtraction within 10 - 04 - Relating addition and subtraction.webm 2.31MB
  9075. Partner content/05 - The J. Paul Getty Museum - 10 - For kids/01 - For kids - 11 - Mighty mover angel.webm 2.31MB
  9076. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/04 - Division - 01 - Dividing numbers_ intro to long division.webm 2.31MB
  9077. Math/03 - 4th grade (U.S.) - 05 - Geometry/03 - Interpreting and constructing angles - 04 - Drawing acute, right and obtuse angles.webm 2.31MB
  9078. Math/12 - Basic geometry - 02 - Angles/02 - Interpreting angles - 04 - Drawing acute, right and obtuse angles.webm 2.31MB
  9079. Math/11 - Algebra I - 08 - Exponent expressions and equations/02 - Exponent properties examples with variables - 01 - Negative and positive exponents.webm 2.31MB
  9080. Math/04 - 5th grade (U.S.) - 02 - Fractions/03 - Multiplying fractions - 05 - Multiplying fractions and whole numbers_ two approaches.webm 2.30MB
  9081. Math/03 - 4th grade (U.S.) - 03 - Fractions/05 - Mixed numbers - 05 - Subtracting mixed numbers with like denominators.webm 2.30MB
  9082. Math/08 - Arithmetic - 05 - Fractions/12 - Mixed number addition and subtraction - 08 - Subtracting mixed numbers with like denominators.webm 2.30MB
  9083. Math/09 - Pre-algebra - 04 - Fractions/12 - Mixed number addition and subtraction - 08 - Subtracting mixed numbers with like denominators.webm 2.30MB
  9084. Math/04 - 5th grade (U.S.) - 02 - Fractions/02 - More adding and subtracting fractions, and mixed numbers - 04 - Subtracting mixed numbers.webm 2.30MB
  9085. Math/08 - Arithmetic - 05 - Fractions/12 - Mixed number addition and subtraction - 10 - Subtracting mixed numbers.webm 2.30MB
  9086. Math/09 - Pre-algebra - 04 - Fractions/12 - Mixed number addition and subtraction - 10 - Subtracting mixed numbers.webm 2.30MB
  9087. Math/14 - Algebra II - 03 - Polynomial and rational functions/01 - Factoring quadratics - 04 - Recognizing a perfect square quadratic.webm 2.29MB
  9088. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/04 - Percentages - 09 - Percent word problem example 2.webm 2.29MB
  9089. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/05 - Percent word problems - 02 - Percent word problem example 2.webm 2.29MB
  9090. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 09 - Percent word problem example 2.webm 2.29MB
  9091. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 09 - Percent word problem example 2.webm 2.29MB
  9092. Math/10 - Algebra basics - 01 - Foundations/07 - Decimals, fractions and percentages - 09 - Percent word problem example 2.webm 2.29MB
  9093. Partner content/18 - NASA - 03 - Exploring the Universe/03 - Curiosity rover_ mission briefing - 07 - Preparing for landing.webm 2.29MB
  9094. Math/04 - 5th grade (U.S.) - 02 - Fractions/01 - Adding and subtracting fractions - 02 - Adding fractions_ common denominator.webm 2.29MB
  9095. Math/08 - Arithmetic - 05 - Fractions/07 - Adding and subtracting fractions with unlike denominators - 04 - Adding fractions_ common denominator.webm 2.29MB
  9096. Math/09 - Pre-algebra - 04 - Fractions/06 - Adding and subtracting fractions with unlike denominators - 04 - Adding fractions_ common denominator.webm 2.29MB
  9097. Math/02 - 3rd grade (U.S.) - 01 - Addition and subtraction/01 - Adding with regrouping within 1000 - 04 - Adding_ three digit numbers and regrouping.webm 2.28MB
  9098. Math/03 - 4th grade (U.S.) - 01 - Addition and subtraction/01 - Adding multi-digit numbers - 04 - Adding_ three digit numbers and regrouping.webm 2.28MB
  9099. Math/08 - Arithmetic - 01 - Addition and subtraction/03 - Addition with carrying - 03 - Adding_ three digit numbers and regrouping.webm 2.28MB
  9100. Science/07 - Discoveries and projects - 03 - Robots/01 - All about Spout - 04 - Spout lights.webm 2.28MB
  9101. Test prep/02 - MCAT - 04 - Physical processes/10 - Fluids in motion - 08 - Turbulence at high velocities and Reynold's number.webm 2.28MB
  9102. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/02 - Quasars and galactive collisions - 02 - Quasar correction.webm 2.28MB
  9103. Computing/01 - Computer programming - 05 - Meet the Professional/01 - Meet the Professional - 01 - Welcome to 'Meet the Professional'_.webm 2.27MB
  9104. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 15 - 11 Survey results.webm 2.27MB
  9105. Math/07 - 8th grade (U.S.) - 06 - Data and modeling/02 - Scatter plots - 02 - People smoking less over time scatter plot.webm 2.27MB
  9106. Math/16 - Probability and statistics - 06 - Regression/01 - Scatter plots - 02 - People smoking less over time scatter plot.webm 2.27MB
  9107. Math/08 - Arithmetic - 02 - Multiplication and division/04 - Starter multiplication and division word problems - 03 - Multiplication word problem example 1.webm 2.27MB
  9108. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/04 - Percentages - 02 - The meaning of percent over 100.webm 2.27MB
  9109. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 02 - The meaning of percent over 100.webm 2.27MB
  9110. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 02 - The meaning of percent over 100.webm 2.27MB
  9111. Math/03 - 4th grade (U.S.) - 03 - Fractions/07 - Multiplying whole numbers and fractions - 01 - Multiplying fractions and whole numbers.webm 2.27MB
  9112. Math/04 - 5th grade (U.S.) - 02 - Fractions/03 - Multiplying fractions - 01 - Multiplying fractions and whole numbers.webm 2.27MB
  9113. Math/08 - Arithmetic - 05 - Fractions/09 - Multiplying fractions - 01 - Multiplying fractions and whole numbers.webm 2.27MB
  9114. Math/09 - Pre-algebra - 04 - Fractions/09 - Multiplying fractions - 01 - Multiplying fractions and whole numbers.webm 2.27MB
  9115. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/02 - Unit conversion - 03 - Unit conversion_ centimeters to meters.webm 2.27MB
  9116. Math/10 - Algebra basics - 04 - Graphing lines and slope/07 - Graphing linear inequalities - 03 - Graphing linear inequalities in two variables example 2.webm 2.27MB
  9117. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/11 - Graphing linear inequalities - 03 - Graphing linear inequalities in two variables example 2.webm 2.27MB
  9118. Math/04 - 5th grade (U.S.) - 02 - Fractions/04 - Dividing fractions - 05 - Dividing whole numbers and fractions_ potpourri.webm 2.26MB
  9119. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/04 - Dividing whole numbers and fractions - 01 - Dividing whole numbers and fractions_ potpourri.webm 2.26MB
  9120. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/05 - Dividing fractions by fractions - 05 - Dividing whole numbers and fractions_ potpourri.webm 2.26MB
  9121. Math/08 - Arithmetic - 05 - Fractions/15 - Dividing fractions - 03 - Dividing whole numbers and fractions_ potpourri.webm 2.26MB
  9122. Math/09 - Pre-algebra - 04 - Fractions/15 - Dividing fractions - 03 - Dividing whole numbers and fractions_ potpourri.webm 2.26MB
  9123. Math/09 - Pre-algebra - 04 - Fractions/16 - Dividing fractions by fractions - 05 - Dividing whole numbers and fractions_ potpourri.webm 2.26MB
  9124. Math/04 - 5th grade (U.S.) - 06 - Algebraic thinking/02 - Number patterns - 04 - Number patterns_ visualizing sequence relationships.webm 2.26MB
  9125. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/01 - System for solving the King's problems - 03 - Solving systems graphically.webm 2.26MB
  9126. Math/07 - 8th grade (U.S.) - 04 - Systems of equations/02 - Solving linear systems graphically - 07 - Solving systems graphically.webm 2.26MB
  9127. Math/11 - Algebra I - 05 - Systems of equations and inequalities/01 - A system for solving the King's problems - 03 - Solving systems graphically.webm 2.26MB
  9128. Math/11 - Algebra I - 05 - Systems of equations and inequalities/03 - Solving systems graphically - 07 - Solving systems graphically.webm 2.26MB
  9129. Math/14 - Algebra II - 01 - Systems of equations and inequalities/01 - Solving systems of equations for the king - 03 - Solving systems graphically.webm 2.26MB
  9130. Math/07 - 8th grade (U.S.) - 05 - Geometry/08 - Transformations, congruence, and similarity - 03 - Rotation of polygons example.webm 2.25MB
  9131. Math/13 - Geometry - 10 - Transformations/02 - Exploring rigid transformations - 05 - Rotation of polygons example.webm 2.25MB
  9132. Partner content/04 - The Museum of Modern Art - 03 - Behind the scenes at MoMA/01 - Behind the scenes at MoMA - 08 - Conservation - René Magritte, 'The False Mirror,' 1928.webm 2.25MB
  9133. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/03 - The cube root - 03 - Simplifying a cube root.webm 2.25MB
  9134. Math/14 - Algebra II - 03 - Polynomial and rational functions/12 - Rational functions - 02 - Adding and subtracting rational expressions 2.webm 2.25MB
  9135. Math/14 - Algebra II - 04 - Rational expressions/02 - Adding and subtracting rational expressions - 01 - Adding and subtracting rational expressions 2.webm 2.25MB
  9136. Test prep/02 - MCAT - 02 - Cells/08 - Embryology - 04 - Germ layer derivatives.webm 2.24MB
  9137. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/06 - Factoring by grouping - 05 - Example 3_ Factoring by grouping.webm 2.24MB
  9138. Math/14 - Algebra II - 02 - Functions and their graphs/10 - Comparing and interpreting functions - 03 - Comparing features of functions (example 1).webm 2.24MB
  9139. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/10 - Inequalities - 04 - Inequality word problem_ one variable.webm 2.24MB
  9140. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/03 - Inequalties _ Greater than and less than basics - 04 - Inequality word problem_ one variable.webm 2.24MB
  9141. Math/17 - Precalculus - 01 - Vectors/03 - Vectors in magnitude and direction form - 02 - Scaling up a unit vector.webm 2.23MB
  9142. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/02 - The square root - 03 - Simplifying square roots.webm 2.23MB
  9143. Math/10 - Algebra basics - 01 - Foundations/04 - The square root - 02 - Simplifying square roots.webm 2.23MB
  9144. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/05 - Counting outcomes for compound events - 01 - Counting pot and flower scenarios.webm 2.23MB
  9145. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 12 - 12 Missing angle.webm 2.23MB
  9146. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/07 - Analyzing linear functions - 03 - Comparing linear functions 1.webm 2.23MB
  9147. Math/11 - Algebra I - 09 - Functions/07 - Analyzing linear functions - 01 - Comparing linear functions 1.webm 2.23MB
  9148. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/03 - Factoring simple expressions - 03 - Factoring and the distributive property.webm 2.23MB
  9149. Math/10 - Algebra basics - 06 - Expressions and equations with exponents/02 - Exponent properties - 07 - Exponent properties 4.webm 2.23MB
  9150. Math/11 - Algebra I - 08 - Exponent expressions and equations/02 - Exponent properties examples with variables - 06 - Exponent properties 4.webm 2.23MB
  9151. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 07 - Example_ Different ways to pick officers.webm 2.23MB
  9152. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 07 - Example_ Different ways to pick officers.webm 2.23MB
  9153. Math/17 - Precalculus - 06 - Sequences, series and induction/02 - Basic sequences and series - 05 - Series as sum of sequence.webm 2.22MB
  9154. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/03 - Series - 02 - Series as sum of sequence.webm 2.22MB
  9155. Math/13 - Geometry - 12 - Geometric constructions/01 - Constructing bisectors of lines and angles - 03 - Constructing an angle bisector using a compass and straightedge.webm 2.21MB
  9156. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 14 - 8 More unknowns than equations.webm 2.20MB
  9157. Math/01 - Early math - 02 - Place value and patterns/01 - Tens - 03 - Teens as sums with 10.webm 2.20MB
  9158. Math/11 - Algebra I - 08 - Exponent expressions and equations/04 - Simplifying radical expressions - 02 - Radical equivalent to rational exponents 2.webm 2.20MB
  9159. Math/11 - Algebra I - 08 - Exponent expressions and equations/03 - Fractional exponents - 04 - Negative fractional exponent examples.webm 2.20MB
  9160. Math/17 - Precalculus - 05 - Probability and combinatorics/03 - Compound, independent events - 02 - Compound events example with tree diagram.webm 2.20MB
  9161. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/02 - Proportional relationships - 05 - Constructing an equation for a proportional relationship.webm 2.20MB
  9162. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/04 - Proportional relationships - 05 - Constructing an equation for a proportional relationship.webm 2.20MB
  9163. Science/05 - Cosmology and astronomy - 02 - Stars, black holes and galaxies/01 - Life and death of stars - 08 - Supernova clarification.webm 2.20MB
  9164. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 09 - 6 Area of small circles.webm 2.19MB
  9165. Math/11 - Algebra I - 02 - Linear equations/12 - Evaluating expressions with unknown variables - 02 - Evaluating expressions with unknown variables 2.webm 2.19MB
  9166. Partner content/05 - The J. Paul Getty Museum - 10 - For kids/01 - For kids - 05 - Pair of chests, attributed to Antonio Maffei.webm 2.19MB
  9167. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 12 - 4 Equivalent rental costs.webm 2.18MB
  9168. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 06 - Naming alkanes with ethyl groups.webm 2.18MB
  9169. Math/05 - 6th grade (U.S.) - 06 - Geometry/01 - Coordinate plane - 02 - Coordinate plane_ plot ordered pairs.webm 2.18MB
  9170. Math/10 - Algebra basics - 04 - Graphing lines and slope/01 - Graphing on the coordinate plane - 03 - Coordinate plane_ plot ordered pairs.webm 2.18MB
  9171. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/01 - Coordinate plane - 03 - Coordinate plane_ plot ordered pairs.webm 2.18MB
  9172. Math/14 - Algebra II - 02 - Functions and their graphs/05 - Composing functions - 02 - Creating new function from composition.webm 2.18MB
  9173. Math/03 - 4th grade (U.S.) - 05 - Geometry/05 - Classifying geometric shapes - 04 - Quadrilaterals_ find the type exercise.webm 2.17MB
  9174. Math/04 - 5th grade (U.S.) - 05 - Geometry/02 - Quadrilaterals - 04 - Quadrilaterals_ find the type exercise.webm 2.17MB
  9175. Math/12 - Basic geometry - 03 - Shapes/01 - Classifying shapes - 04 - Quadrilaterals_ find the type exercise.webm 2.17MB
  9176. Math/13 - Geometry - 09 - Quadrilaterals/01 - Quadrilaterals - 04 - Quadrilaterals_ find the type exercise.webm 2.17MB
  9177. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/08 - Linear and nonlinear functions - 05 - Interpreting a graph exercise example.webm 2.17MB
  9178. Math/11 - Algebra I - 09 - Functions/05 - Graphing functions - 06 - Interpreting a graph exercise example.webm 2.17MB
  9179. Arts and humanities/05 - Ancient art and civilizations - 04 - Greek art/01 - A beginner's guide to ancient Greece - 02 - Victorious athlete_ The Vaison Daidoumenos.webm 2.17MB
  9180. Partner content/03 - The British Museum - 04 - Europe/01 - Ancient Greece - 01 - Victorious athlete_ The Vaison Daidoumenos.webm 2.17MB
  9181. Math/08 - Arithmetic - 05 - Fractions/17 - Number sets - 04 - Number sets 3.webm 2.16MB
  9182. Math/09 - Pre-algebra - 04 - Fractions/17 - Number sets - 04 - Number sets 3.webm 2.16MB
  9183. Math/18 - Differential calculus - 03 - Derivative applications/05 - Concavity and inflection points - 02 - Recognizing concavity exercise.webm 2.16MB
  9184. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 17 - 19 Exponent properties to factor expression.webm 2.16MB
  9185. Math/11 - Algebra I - 07 - Quadratic equations/04 - The quadratic formula (quadratic equation) - 02 - Example_ Quadratics in standard form.webm 2.16MB
  9186. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/03 - Comparing decimals - 03 - Comparing decimals_ ordering from least to greatest.webm 2.16MB
  9187. Math/08 - Arithmetic - 04 - Decimals/04 - Comparing decimals - 05 - Comparing decimals_ ordering from least to greatest.webm 2.16MB
  9188. Math/09 - Pre-algebra - 03 - Decimals/04 - Comparing decimals - 05 - Comparing decimals_ ordering from least to greatest.webm 2.16MB
  9189. Math/10 - Algebra basics - 01 - Foundations/07 - Decimals, fractions and percentages - 01 - Comparing decimals_ ordering from least to greatest.webm 2.16MB
  9190. Math/01 - Early math - 02 - Place value and patterns/01 - Tens - 05 - Place value example with 25.webm 2.16MB
  9191. Math/07 - 8th grade (U.S.) - 05 - Geometry/08 - Transformations, congruence, and similarity - 08 - Scaling down a triangle by half.webm 2.15MB
  9192. Math/12 - Basic geometry - 08 - Transformations, congruence, and similarity/01 - Transformations - 05 - Scaling down a triangle by half.webm 2.15MB
  9193. Math/13 - Geometry - 10 - Transformations/04 - Transformations on the coordinate plane - 03 - Scaling down a triangle by half.webm 2.15MB
  9194. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 32 - 13 Strange function definition.webm 2.15MB
  9195. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/06 - Linear inequalities - 02 - Multiplying and dividing with inequalities example.webm 2.15MB
  9196. Math/10 - Algebra basics - 03 - Linear equations and inequalities/04 - Linear inequalities - 02 - Multiplying and dividing with inequalities example.webm 2.15MB
  9197. Math/11 - Algebra I - 03 - Linear inequalities/01 - Thinking algebraically about inequalities - 02 - Multiplying and dividing with inequalities example.webm 2.15MB
  9198. Test prep/01 - SAT - 03 - SAT Math practice/01 - SAT Math_ Level 1 - 09 - 6 Divisibility of unknown number.webm 2.15MB
  9199. Math/11 - Algebra I - 01 - Introduction to algebra/01 - Overview and history of algebra - 05 - Why all the letters in algebra_.webm 2.15MB
  9200. Math/11 - Algebra I - 01 - Introduction to algebra/06 - The why of algebra - 10 - Why all the letters in algebra_.webm 2.15MB
  9201. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 08 - Parallel lines 2.webm 2.15MB
  9202. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 23 - 15 Right triangle side lengths.webm 2.15MB
  9203. Math/01 - Early math - 04 - Measurement and data/03 - Time and money - 01 - Telling time exercise example 1.webm 2.15MB
  9204. Math/02 - 3rd grade (U.S.) - 04 - Measurement and geometry/03 - Telling time - 01 - Telling time exercise example 1.webm 2.15MB
  9205. Math/08 - Arithmetic - 06 - Telling time/01 - Telling time - 01 - Telling time exercise example 1.webm 2.15MB
  9206. Partner content/07 - Exploratorium - 01 - Light and color/02 - Colored shadows - 03 - What's going on_ light travels in straight lines.webm 2.15MB
  9207. Math/16 - Probability and statistics - 02 - Probability and combinatorics/03 - Probability using combinatorics - 02 - Example_ All the ways you can flip a coin.webm 2.15MB
  9208. Math/17 - Precalculus - 05 - Probability and combinatorics/07 - Probability using combinatorics - 02 - Example_ All the ways you can flip a coin.webm 2.15MB
  9209. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/07 - Computing with scientific notation - 04 - Multiplying and dividing in scientific notation.webm 2.14MB
  9210. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/08 - Computing with scientific notation - 04 - Multiplying and dividing in scientific notation.webm 2.14MB
  9211. Math/10 - Algebra basics - 01 - Foundations/10 - Computing with scientific notation - 04 - Multiplying and dividing in scientific notation.webm 2.14MB
  9212. Math/11 - Algebra I - 01 - Introduction to algebra/02 - Variables and expressions - 05 - Evaluating exponential expressions 2.webm 2.14MB
  9213. Math/04 - 5th grade (U.S.) - 02 - Fractions/02 - More adding and subtracting fractions, and mixed numbers - 03 - Adding mixed numbers.webm 2.14MB
  9214. Math/08 - Arithmetic - 05 - Fractions/12 - Mixed number addition and subtraction - 09 - Adding mixed numbers.webm 2.14MB
  9215. Math/09 - Pre-algebra - 04 - Fractions/12 - Mixed number addition and subtraction - 09 - Adding mixed numbers.webm 2.14MB
  9216. Math/10 - Algebra basics - 02 - Algebraic expressions/03 - Algebraic expressions with fractions - 01 - Algebraic expression adding fractions.webm 2.14MB
  9217. Math/11 - Algebra I - 01 - Introduction to algebra/05 - Algebraic expressions with fractions - 01 - Algebraic expression adding fractions.webm 2.14MB
  9218. Math/18 - Differential calculus - 02 - Taking derivatives/07 - Chain rule - 05 - Derivative of log with arbitrary base.webm 2.13MB
  9219. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/07 - Exponents - 01 - Introduction to exponents.webm 2.13MB
  9220. Math/07 - 8th grade (U.S.) - 01 - Numbers and operations/02 - Positive and negative exponents - 01 - Introduction to exponents.webm 2.13MB
  9221. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/01 - The world of exponents - 02 - Introduction to exponents.webm 2.13MB
  9222. Math/10 - Algebra basics - 01 - Foundations/03 - The world of exponents - 01 - Introduction to exponents.webm 2.13MB
  9223. Math/14 - Algebra II - 02 - Functions and their graphs/09 - Properties and features of functions - 04 - Recognizing features of functions (example 1).webm 2.13MB
  9224. Math/13 - Geometry - 10 - Transformations/04 - Transformations on the coordinate plane - 07 - Defining transformations to match polygons.webm 2.13MB
  9225. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/02 - Regrouping decimal numbers - 02 - Regrouping whole numbers example 1.webm 2.13MB
  9226. Math/09 - Pre-algebra - 08 - Arithmetic properties/04 - Regrouping whole numbers - 02 - Regrouping whole numbers example 1.webm 2.13MB
  9227. Math/17 - Precalculus - 01 - Vectors/01 - Vector basics - 04 - Visualizing vector addition examples.webm 2.13MB
  9228. Math/03 - 4th grade (U.S.) - 03 - Fractions/04 - Word problems_ Adding and subtracting fractions - 04 - Word problem_ How long is this lizard_.webm 2.13MB
  9229. Math/08 - Arithmetic - 05 - Fractions/06 - Adding and subtracting fractions - 05 - Word problem_ How long is this lizard_.webm 2.13MB
  9230. Math/09 - Pre-algebra - 04 - Fractions/07 - Adding and subtracting fractions - 05 - Word problem_ How long is this lizard_.webm 2.13MB
  9231. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/05 - Solving equations and inequalities with substitution - 05 - Substituting variables and solving for an equality.webm 2.12MB
  9232. Math/11 - Algebra I - 01 - Introduction to algebra/08 - Getting a feel for equations and inequalities - 04 - Substituting variables and solving for an equality.webm 2.12MB
  9233. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/10 - More analytic geometry - 09 - Parallel lines 3.webm 2.12MB
  9234. Science/07 - Discoveries and projects - 04 - Lego robotics/03 - Coin detector - 06 - Polling sensors.webm 2.11MB
  9235. Science/07 - Discoveries and projects - 04 - Lego robotics/05 - Programming basics - 09 - Polling sensors.webm 2.11MB
  9236. Math/04 - 5th grade (U.S.) - 05 - Geometry/02 - Quadrilaterals - 05 - Quadrilaterals_ classifying shapes.webm 2.11MB
  9237. Math/12 - Basic geometry - 03 - Shapes/01 - Classifying shapes - 09 - Quadrilaterals_ classifying shapes.webm 2.11MB
  9238. Science/07 - Discoveries and projects - 01 - Discoveries/02 - Discovery of magnetic fields - 05 - Increase strength of magnet.webm 2.11MB
  9239. Science/07 - Discoveries and projects - 03 - Robots/04 - Spider Bot - 02 - Fun with Spider Bot.webm 2.11MB
  9240. Science/07 - Discoveries and projects - 01 - Discoveries/04 - Discovery of batteries - 07 - Electrode (distance test).webm 2.11MB
  9241. Math/03 - 4th grade (U.S.) - 05 - Geometry/04 - Line of symmetry - 01 - Axis of symmetry.webm 2.11MB
  9242. Math/12 - Basic geometry - 03 - Shapes/01 - Classifying shapes - 10 - Axis of symmetry.webm 2.11MB
  9243. Math/13 - Geometry - 10 - Transformations/01 - Symmetry - 01 - Axis of symmetry.webm 2.11MB
  9244. Math/10 - Algebra basics - 04 - Graphing lines and slope/05 - Graphing linear equations in slope-intercept form - 01 - Graphing a line in slope intercept form.webm 2.11MB
  9245. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/07 - Graphing linear equations in slope-intercept form - 01 - Graphing a line in slope intercept form.webm 2.11MB
  9246. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 01 - 1 Working at convenience store.webm 2.11MB
  9247. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 01 - 1 Working at convenience store.webm 2.11MB
  9248. Math/14 - Algebra II - 06 - Logarithms/01 - Logarithm basics - 05 - Solving exponential equation with logarithm.webm 2.10MB
  9249. Math/15 - Trigonometry - 02 - Unit circle definition of trig functions/01 - Radians - 04 - Finding arc length from radian angle measure.webm 2.10MB
  9250. Math/11 - Algebra I - 02 - Linear equations/07 - Solving for a variable - 03 - Solving for a variable 2.webm 2.10MB
  9251. Math/07 - 8th grade (U.S.) - 05 - Geometry/02 - Angles between intersecting lines - 06 - Find measure of supplementary angles.webm 2.10MB
  9252. Math/13 - Geometry - 02 - Angles and intersecting lines/05 - Complementary and supplementary angles - 03 - Find measure of supplementary angles.webm 2.10MB
  9253. Math/07 - 8th grade (U.S.) - 05 - Geometry/08 - Transformations, congruence, and similarity - 11 - Testing similarity through transformations.webm 2.10MB
  9254. Math/12 - Basic geometry - 08 - Transformations, congruence, and similarity/02 - Congruence and similarity - 03 - Testing similarity through transformations.webm 2.10MB
  9255. Math/13 - Geometry - 04 - Similarity/01 - Similarity and transformations - 01 - Testing similarity through transformations.webm 2.10MB
  9256. Science/02 - Physics - 12 - Waves and optics/01 - Waves and optics - 21 - Concave lenses.webm 2.10MB
  9257. Test prep/02 - MCAT - 04 - Physical processes/22 - Thin lenses - 03 - Concave lenses.webm 2.10MB
  9258. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 13 - 13 Solving system for x_y.webm 2.10MB
  9259. Math/19 - Integral calculus - 01 - Integrals/08 - Improper integrals - 03 - Divergent improper integral.webm 2.09MB
  9260. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/01 - Decimals and place value_ conceptualizing - 01 - Decimals_ expanding out place value.webm 2.09MB
  9261. Math/08 - Arithmetic - 04 - Decimals/01 - Conceptualizing decimals and place notation - 04 - Decimals_ expanding out place value.webm 2.09MB
  9262. Math/09 - Pre-algebra - 03 - Decimals/01 - Conceptualizing decimals and place notation - 04 - Decimals_ expanding out place value.webm 2.09MB
  9263. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 07 - 3 Letter in pattern.webm 2.09MB
  9264. Math/17 - Precalculus - 05 - Probability and combinatorics/03 - Compound, independent events - 03 - Compound events example using diagram.webm 2.09MB
  9265. Math/03 - 4th grade (U.S.) - 03 - Fractions/07 - Multiplying whole numbers and fractions - 03 - Whole number and fraction multiplication concept.webm 2.09MB
  9266. Math/17 - Precalculus - 06 - Sequences, series and induction/07 - Deductive and inductive reasoning - 01 - Difference between inductive and deductive reasoning.webm 2.09MB
  9267. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 21 - 9 Calculating hourly rate.webm 2.09MB
  9268. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 15 - 15 Slope of perpendicular line.webm 2.09MB
  9269. Partner content/05 - The J. Paul Getty Museum - 10 - For kids/01 - For kids - 07 - 'An Allegory of Passion,' Hans Holbein the Younger.webm 2.09MB
  9270. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/09 - Dependent and independent variables - 01 - Dependent and independent variables exercise_ the basics.webm 2.08MB
  9271. Math/11 - Algebra I - 01 - Introduction to algebra/08 - Getting a feel for equations and inequalities - 06 - Dependent and independent variables exercise_ the basics.webm 2.08MB
  9272. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/03 - Rates - 01 - Solving unit rates problem.webm 2.08MB
  9273. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/02 - Rates - 02 - Solving unit rates problem.webm 2.08MB
  9274. Math/04 - 5th grade (U.S.) - 02 - Fractions/04 - Dividing fractions - 04 - Mixed numbers on a number line.webm 2.08MB
  9275. Math/08 - Arithmetic - 05 - Fractions/15 - Dividing fractions - 02 - Mixed numbers on a number line.webm 2.08MB
  9276. Math/09 - Pre-algebra - 04 - Fractions/15 - Dividing fractions - 02 - Mixed numbers on a number line.webm 2.08MB
  9277. Science/07 - Discoveries and projects - 01 - Discoveries/01 - Discovery of magnetism - 05 - Compass build (magnet orientation).webm 2.08MB
  9278. Math/04 - 5th grade (U.S.) - 02 - Fractions/04 - Dividing fractions - 03 - Creating a fraction through division of whole numbers.webm 2.08MB
  9279. Math/08 - Arithmetic - 05 - Fractions/15 - Dividing fractions - 01 - Creating a fraction through division of whole numbers.webm 2.08MB
  9280. Math/09 - Pre-algebra - 04 - Fractions/15 - Dividing fractions - 01 - Creating a fraction through division of whole numbers.webm 2.08MB
  9281. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 14 - 13 Possible values for x.webm 2.08MB
  9282. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/07 - Multi-step word problems - 02 - Multi-step word problem with fractions and units of time.webm 2.07MB
  9283. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/02 - Multi-step word problems - 02 - Multi-step word problem with fractions and units of time.webm 2.07MB
  9284. Math/03 - 4th grade (U.S.) - 05 - Geometry/05 - Classifying geometric shapes - 08 - Categorizing geometric shapes_ practice examples.webm 2.07MB
  9285. Math/12 - Basic geometry - 03 - Shapes/01 - Classifying shapes - 08 - Categorizing geometric shapes_ practice examples.webm 2.07MB
  9286. Math/13 - Geometry - 10 - Transformations/03 - Dilations or scaling around a point - 02 - Comparing side lengths after dilation.webm 2.07MB
  9287. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/07 - Binary and hexadecimal number systems - 06 - Adding in binary.webm 2.06MB
  9288. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 29 - 29 Toxic chemicals.webm 2.05MB
  9289. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 29 - 29 Toxic chemicals.webm 2.05MB
  9290. Math/08 - Arithmetic - 02 - Multiplication and division/03 - One-digit division - 02 - Example_ Expressing division in multiple ways.webm 2.05MB
  9291. Math/10 - Algebra basics - 07 - Quadratics and polynomials/06 - Polynomial basics - 02 - Terms coefficients and exponents in a polynomial.webm 2.05MB
  9292. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/08 - Polynomial basics - 01 - Terms coefficients and exponents in a polynomial.webm 2.05MB
  9293. Math/14 - Algebra II - 03 - Polynomial and rational functions/04 - Adding and multiplying polynomials - 01 - Terms coefficients and exponents in a polynomial.webm 2.05MB
  9294. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/06 - Solving basic equations - 01 - Why we do the same thing to both sides_ Simple equations.webm 2.05MB
  9295. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/04 - Two-step equations - 01 - Why we do the same thing to both sides_ Simple equations.webm 2.05MB
  9296. Math/11 - Algebra I - 01 - Introduction to algebra/06 - The why of algebra - 01 - Why we do the same thing to both sides_ Simple equations.webm 2.05MB
  9297. Math/11 - Algebra I - 02 - Linear equations/01 - The why of algebra - 01 - Why we do the same thing to both sides_ Simple equations.webm 2.05MB
  9298. Math/02 - 3rd grade (U.S.) - 01 - Addition and subtraction/02 - Using regrouping to subtract within 1000 - 01 - Subtracting_ three digit numbers and basic regrouping.webm 2.05MB
  9299. Math/03 - 4th grade (U.S.) - 01 - Addition and subtraction/02 - Subtracting_ multi-digit numbers - 01 - Subtracting_ three digit numbers and basic regrouping.webm 2.05MB
  9300. Math/08 - Arithmetic - 01 - Addition and subtraction/04 - Subtracting within 1000 - 03 - Subtracting_ three digit numbers and basic regrouping.webm 2.05MB
  9301. Math/02 - 3rd grade (U.S.) - 01 - Addition and subtraction/01 - Adding with regrouping within 1000 - 03 - Adding_ why carrying works.webm 2.04MB
  9302. Math/03 - 4th grade (U.S.) - 01 - Addition and subtraction/01 - Adding multi-digit numbers - 03 - Adding_ why carrying works.webm 2.04MB
  9303. Math/08 - Arithmetic - 01 - Addition and subtraction/03 - Addition with carrying - 02 - Adding_ why carrying works.webm 2.04MB
  9304. Math/07 - 8th grade (U.S.) - 06 - Data and modeling/02 - Scatter plots - 03 - Constructing a scatter plot.webm 2.04MB
  9305. Math/16 - Probability and statistics - 06 - Regression/01 - Scatter plots - 03 - Constructing a scatter plot.webm 2.04MB
  9306. Partner content/07 - Exploratorium - 02 - Chemistry/02 - Penny Battery - 05 - Challenge solution.webm 2.04MB
  9307. Math/17 - Precalculus - 02 - Matrices/06 - Inverting matrices - 06 - Finding the determinant of a 3x3 matrix method 1.webm 2.04MB
  9308. Test prep/02 - MCAT - 01 - Biomolecules/04 - DNA - 04 - Semi conservative replication.webm 2.04MB
  9309. Math/17 - Precalculus - 02 - Matrices/06 - Inverting matrices - 02 - Inverse of a 2x2 matrix.webm 2.04MB
  9310. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/02 - Applying multiplication and division - 02 - Liters of soda for the party.webm 2.04MB
  9311. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 19 - 12 Estimating number products.webm 2.03MB
  9312. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 04 - 9 Angles between intersecting lines.webm 2.03MB
  9313. Math/11 - Algebra I - 02 - Linear equations/07 - Solving for a variable - 01 - Rearrange formulas to isolate specific variables.webm 2.03MB
  9314. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/07 - Factoring quadratics in two variables - 02 - Factoring quadratics with two variables example.webm 2.03MB
  9315. Partner content/01 - The Metropolitan Museum of Art - 02 - Extravagant Inventions/01 - Extravagant Inventions - 04 - Rolltop Desk by David Roentgen (animation).webm 2.03MB
  9316. Math/07 - 8th grade (U.S.) - 05 - Geometry/02 - Angles between intersecting lines - 05 - Find measure of complementary angles.webm 2.03MB
  9317. Math/13 - Geometry - 02 - Angles and intersecting lines/05 - Complementary and supplementary angles - 02 - Find measure of complementary angles.webm 2.03MB
  9318. Math/04 - 5th grade (U.S.) - 06 - Algebraic thinking/02 - Number patterns - 01 - Number patterns_ Seeing relationships.webm 2.02MB
  9319. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/05 - Number patterns - 04 - Number patterns_ Seeing relationships.webm 2.02MB
  9320. Math/13 - Geometry - 07 - Circles/02 - Central, inscribed and circumscribed angles - 03 - Example with tangent and radius.webm 2.02MB
  9321. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 03 - 3 Central Park.webm 2.02MB
  9322. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 03 - 3 Central Park.webm 2.02MB
  9323. Partner content/05 - The J. Paul Getty Museum - 10 - For kids/01 - For kids - 08 - 'The Adoration of the Magi with Saint Anthony Abbott,' Franco-Flemish master.webm 2.02MB
  9324. Math/01 - Early math - 01 - Counting/03 - Comparing numbers through 10 - 01 - Comparing groups through 10 example.webm 2.02MB
  9325. Math/11 - Algebra I - 08 - Exponent expressions and equations/02 - Exponent properties examples with variables - 07 - Exponent properties 5.webm 2.02MB
  9326. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/06 - Linear inequalities - 03 - Constructing and solving a one-step inequality.webm 2.01MB
  9327. Math/10 - Algebra basics - 03 - Linear equations and inequalities/04 - Linear inequalities - 03 - Constructing and solving a one-step inequality.webm 2.01MB
  9328. Math/11 - Algebra I - 03 - Linear inequalities/01 - Thinking algebraically about inequalities - 03 - Constructing and solving a one-step inequality.webm 2.01MB
  9329. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/01 - Writing expressions - 06 - Writing algebraic expressions example 2.webm 2.01MB
  9330. Math/11 - Algebra I - 01 - Introduction to algebra/04 - Writing and interpreting expressions - 03 - Writing algebraic expressions example 2.webm 2.01MB
  9331. Math/04 - 5th grade (U.S.) - 03 - Place value and decimals/01 - Decimals and place value_ conceptualizing - 04 - Decimals_ writing it out as a number.webm 2.01MB
  9332. Math/08 - Arithmetic - 04 - Decimals/01 - Conceptualizing decimals and place notation - 05 - Decimals_ writing it out as a number.webm 2.01MB
  9333. Math/09 - Pre-algebra - 03 - Decimals/01 - Conceptualizing decimals and place notation - 05 - Decimals_ writing it out as a number.webm 2.01MB
  9334. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 22 - 5 Distance between points.webm 2.01MB
  9335. Science/05 - Cosmology and astronomy - 03 - Earth geological and climatic history/03 - Earth's rotation and tilt - 06 - What causes precession and other orbital changes.webm 2.01MB
  9336. Test prep/01 - SAT - 02 - Full-length SAT/03 - Section 3 - 01 - 1 Private universities.webm 2.00MB
  9337. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/03 - Full-length SAT_ Section 3 - 01 - 1 Private universities.webm 2.00MB
  9338. Partner content/20 - Silicon Schools Fund and Clayton Christensen Institute - 02 - Creating the ideal student experience in a blended learning classroom/01 - Student experience overview - 01 - Introduction and big ideas.webm 2.00MB
  9339. Math/06 - 7th grade (U.S.) - 06 - Statistics and probability/06 - Probability and compound events - 08 - Die rolling probability with independent events.webm 2.00MB
  9340. Math/16 - Probability and statistics - 01 - Independent and dependent events/03 - Compound, independent events - 08 - Die rolling probability with independent events.webm 2.00MB
  9341. Math/17 - Precalculus - 05 - Probability and combinatorics/03 - Compound, independent events - 10 - Die rolling probability with independent events.webm 2.00MB
  9342. Math/09 - Pre-algebra - 08 - Arithmetic properties/01 - Place value - 04 - Representing numbers.webm 2.00MB
  9343. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/04 - Two-step equations - 06 - Example_ two-step equation with numerator x.webm 2.00MB
  9344. Math/10 - Algebra basics - 03 - Linear equations and inequalities/01 - Solving basic equations - 07 - Example_ two-step equation with numerator x.webm 2.00MB
  9345. Math/11 - Algebra I - 02 - Linear equations/03 - Equations for beginners - 07 - Example_ two-step equation with numerator x.webm 2.00MB
  9346. Math/13 - Geometry - 07 - Circles/01 - Circle arcs and sectors - 05 - Area of a sector given a central angle.webm 2.00MB
  9347. Math/11 - Algebra I - 08 - Exponent expressions and equations/03 - Fractional exponents - 03 - Simplifying with exponent properties.webm 1.99MB
  9348. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 10 - 14 Substituting variables.webm 1.99MB
  9349. Math/04 - 5th grade (U.S.) - 01 - Arithmetic operations/04 - Dividing by two digits - 02 - Dividing by two digits example 2.webm 1.99MB
  9350. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/03 - Dividing whole numbers and decimals - 01 - Dividing by two digits example 2.webm 1.99MB
  9351. Math/08 - Arithmetic - 02 - Multiplication and division/06 - Loooong division_ - 05 - Dividing by two digits example 2.webm 1.99MB
  9352. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/09 - Multiplying polynomials - 01 - Multiplying monomials by polynomials.webm 1.98MB
  9353. Math/10 - Algebra basics - 03 - Linear equations and inequalities/06 - Direct and inverse variation - 05 - Direct variation application.webm 1.98MB
  9354. Math/11 - Algebra I - 09 - Functions/04 - Direct and inverse variation - 08 - Direct variation application.webm 1.98MB
  9355. Math/03 - 4th grade (U.S.) - 05 - Geometry/05 - Classifying geometric shapes - 07 - Categorizing triangles.webm 1.98MB
  9356. Math/12 - Basic geometry - 03 - Shapes/01 - Classifying shapes - 07 - Categorizing triangles.webm 1.98MB
  9357. Science/04 - Organic chemistry - 03 - Alkanes and cycloalkanes/01 - Naming alkanes - 04 - Correction - 2-propylheptane should never be the name_.webm 1.98MB
  9358. Math/02 - 3rd grade (U.S.) - 02 - Multiplication and division/02 - Applying multiplication and division - 01 - How many cars can fit in the parking lot.webm 1.98MB
  9359. Math/14 - Algebra II - 02 - Functions and their graphs/11 - Undefined and indeterminate answers - 02 - Why zero divided by zero is undefined_indeterminate.webm 1.98MB
  9360. Math/11 - Algebra I - 10 - Ratios and proportions/03 - Rational and irrational numbers - 03 - Sum and product of rational numbers.webm 1.97MB
  9361. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/02 - Unit conversion - 03 - Converting metric units of distance_ kilometers, meters, centimeters.webm 1.97MB
  9362. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/03 - Converting fractions and decimals - 07 - Fraction to decimal.webm 1.97MB
  9363. Math/08 - Arithmetic - 04 - Decimals/08 - Converting between fractions and decimals - 04 - Fraction to decimal.webm 1.97MB
  9364. Math/08 - Arithmetic - 05 - Fractions/14 - Decimals and fractions - 02 - Fraction to decimal.webm 1.97MB
  9365. Math/09 - Pre-algebra - 03 - Decimals/08 - Converting between fractions and decimals - 04 - Fraction to decimal.webm 1.97MB
  9366. Math/09 - Pre-algebra - 04 - Fractions/14 - Decimals and fractions - 02 - Fraction to decimal.webm 1.97MB
  9367. Math/10 - Algebra basics - 01 - Foundations/07 - Decimals, fractions and percentages - 03 - Fraction to decimal.webm 1.97MB
  9368. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/02 - Unit conversion - 04 - Converting U.S. customary units of fluid volume.webm 1.97MB
  9369. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 16 - 15 Median of 5 consecutive integers.webm 1.97MB
  9370. Math/02 - 3rd grade (U.S.) - 01 - Addition and subtraction/02 - Using regrouping to subtract within 1000 - 05 - Mental technique for subtraction without regrouping.webm 1.96MB
  9371. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 05 - 14 Least possible value for variable.webm 1.96MB
  9372. Math/11 - Algebra I - 08 - Exponent expressions and equations/03 - Fractional exponents - 10 - Rational exponents and exponent laws.webm 1.96MB
  9373. Math/04 - 5th grade (U.S.) - 01 - Arithmetic operations/03 - Multiplying whole numbers and decimals - 05 - Multiplying decimals example.webm 1.96MB
  9374. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/02 - Multiplying decimals - 02 - Multiplying decimals example.webm 1.96MB
  9375. Math/08 - Arithmetic - 04 - Decimals/06 - Multiplying decimals - 04 - Multiplying decimals example.webm 1.96MB
  9376. Math/09 - Pre-algebra - 03 - Decimals/06 - Multiplying decimals - 04 - Multiplying decimals example.webm 1.96MB
  9377. Math/10 - Algebra basics - 01 - Foundations/08 - Operations with decimals - 05 - Multiplying decimals example.webm 1.96MB
  9378. Math/11 - Algebra I - 10 - Ratios and proportions/03 - Rational and irrational numbers - 09 - Recognizing rational and irrational expressions example.webm 1.96MB
  9379. Partner content/18 - NASA - 03 - Exploring the Universe/01 - Mars_ Ancient observations - 02 - Temperature and atmosphere.webm 1.96MB
  9380. Test prep/01 - SAT - 03 - SAT Math practice/04 - SAT Math_ Level 4 - 05 - 7 Coordinate on number line.webm 1.96MB
  9381. Science/07 - Discoveries and projects - 01 - Discoveries/04 - Discovery of batteries - 02 - Battery meter (galvanometer).webm 1.96MB
  9382. Science/07 - Discoveries and projects - 01 - Discoveries/05 - Discovery of electromagnetism - 05 - Battery meter (galvanometer).webm 1.96MB
  9383. Math/11 - Algebra I - 07 - Quadratic equations/01 - Solving quadratics by taking square root - 02 - Example_ Solving simple quadratic.webm 1.95MB
  9384. Math/14 - Algebra II - 06 - Logarithms/02 - Logarithm properties - 05 - Using multiple logarithm properties to simplify.webm 1.95MB
  9385. Math/18 - Differential calculus - 02 - Taking derivatives/08 - Product and quotient rules - 02 - The product rule for derivatives.webm 1.95MB
  9386. Math/23 - Recreational math - 03 - Math warmups/03 - Independent events warmup - 02 - Frequency stability solution.webm 1.95MB
  9387. Math/13 - Geometry - 07 - Circles/02 - Central, inscribed and circumscribed angles - 04 - Hypotenuse of right triangle inscribed in circle.webm 1.95MB
  9388. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/03 - Evaluating expressions with variables - 03 - Evaluating an expression with exponents.webm 1.94MB
  9389. Math/03 - 4th grade (U.S.) - 07 - Place value and rounding/01 - Place value - 06 - Regrouping numbers intro various place values.webm 1.94MB
  9390. Math/09 - Pre-algebra - 08 - Arithmetic properties/03 - Understanding whole number representations - 01 - Regrouping numbers intro various place values.webm 1.94MB
  9391. Math/03 - 4th grade (U.S.) - 04 - Measurement and data/04 - Area and perimeter - 03 - Area and perimeter word problem_ comparing areas of rectangles.webm 1.94MB
  9392. Math/09 - Pre-algebra - 09 - Measurement/03 - Rectangle area and perimeter word problems - 03 - Area and perimeter word problem_ comparing areas of rectangles.webm 1.94MB
  9393. Math/08 - Arithmetic - 05 - Fractions/13 - Mixed number multiplication and division - 04 - Dividing mixed numbers.webm 1.93MB
  9394. Math/09 - Pre-algebra - 04 - Fractions/13 - Mixed number multiplication and division - 04 - Dividing mixed numbers.webm 1.93MB
  9395. Math/08 - Arithmetic - 05 - Fractions/04 - Comparing fractions - 03 - Comparing fractions.webm 1.93MB
  9396. Math/09 - Pre-algebra - 04 - Fractions/04 - Comparing fractions - 03 - Comparing fractions.webm 1.93MB
  9397. Math/16 - Probability and statistics - 04 - Descriptive statistics/02 - Box-and-whisker plots - 04 - Finding the range and mid-range.webm 1.93MB
  9398. Math/17 - Precalculus - 06 - Sequences, series and induction/07 - Deductive and inductive reasoning - 05 - Inductive reasoning 2.webm 1.93MB
  9399. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 20 - 6 Area of shaded region.webm 1.92MB
  9400. Math/11 - Algebra I - 02 - Linear equations/13 - More equation practice - 04 - Patterns in sequences 1.webm 1.92MB
  9401. Math/13 - Geometry - 02 - Angles and intersecting lines/02 - Angles between intersecting and parallel lines - 02 - Find measure of vertical angles.webm 1.92MB
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  9403. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/01 - Adding and subtracting decimals - 03 - Adding decimals_ example 3.webm 1.92MB
  9404. Math/08 - Arithmetic - 04 - Decimals/05 - Adding and subtracting decimals - 03 - Adding decimals_ example 3.webm 1.92MB
  9405. Math/09 - Pre-algebra - 03 - Decimals/05 - Adding and subtracting decimals - 03 - Adding decimals_ example 3.webm 1.92MB
  9406. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/06 - Solving basic equations - 05 - Adding and subtracting from both sides of an equation.webm 1.92MB
  9407. Math/11 - Algebra I - 01 - Introduction to algebra/06 - The why of algebra - 05 - Adding and subtracting from both sides of an equation.webm 1.92MB
  9408. Math/11 - Algebra I - 02 - Linear equations/01 - The why of algebra - 05 - Adding and subtracting from both sides of an equation.webm 1.92MB
  9409. Math/05 - 6th grade (U.S.) - 04 - Properties of numbers/01 - Least common multiple - 02 - Least common multiple exercise 2.webm 1.92MB
  9410. Math/09 - Pre-algebra - 02 - Factors and multiples/05 - Least common multiple - 02 - Least common multiple exercise 2.webm 1.92MB
  9411. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 17 - 17 Product of primes near 50.webm 1.92MB
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  9414. Math/08 - Arithmetic - 04 - Decimals/08 - Converting between fractions and decimals - 10 - Converting decimals to fractions 2 (ex 2).webm 1.91MB
  9415. Math/08 - Arithmetic - 05 - Fractions/14 - Decimals and fractions - 11 - Converting decimals to fractions 2 (ex 2).webm 1.91MB
  9416. Math/09 - Pre-algebra - 03 - Decimals/08 - Converting between fractions and decimals - 10 - Converting decimals to fractions 2 (ex 2).webm 1.91MB
  9417. Math/09 - Pre-algebra - 04 - Fractions/14 - Decimals and fractions - 11 - Converting decimals to fractions 2 (ex 2).webm 1.91MB
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  9426. Math/09 - Pre-algebra - 04 - Fractions/01 - Understanding fractions - 04 - Numerator and denominator of a fraction.webm 1.90MB
  9427. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/09 - Point-slope form and standard form - 05 - Converting from point-slope to slope intercept form.webm 1.90MB
  9428. Math/04 - 5th grade (U.S.) - 04 - Measurement and data/01 - Volume - 02 - Volume_ measuring with unit cubes.webm 1.89MB
  9429. Math/09 - Pre-algebra - 09 - Measurement/04 - Volume of a box or rectangular prism - 02 - Volume_ measuring with unit cubes.webm 1.89MB
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  9432. Math/12 - Basic geometry - 05 - Area and perimeter/02 - Area and circumference of circles - 02 - Labeling parts of a circle.webm 1.89MB
  9433. Math/13 - Geometry - 06 - Perimeter, area, and volume/05 - Circumference and area of circles - 02 - Labeling parts of a circle.webm 1.89MB
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  9436. Math/08 - Arithmetic - 04 - Decimals/07 - Dividing decimals - 01 - Dividing completely to get decimal answer.webm 1.89MB
  9437. Math/09 - Pre-algebra - 03 - Decimals/07 - Dividing decimals - 01 - Dividing completely to get decimal answer.webm 1.89MB
  9438. Math/10 - Algebra basics - 03 - Linear equations and inequalities/03 - Solving fancier linear equations - 04 - Understanding steps when solving equations.webm 1.89MB
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  9441. Math/08 - Arithmetic - 02 - Multiplication and division/04 - Starter multiplication and division word problems - 01 - Comparing with multiplication_ basic exercises.webm 1.89MB
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  9447. Math/09 - Pre-algebra - 03 - Decimals/14 - Adding and subtracting decimals percentages and fractions - 03 - Adding, subtracting fractions.webm 1.88MB
  9448. Math/13 - Geometry - 07 - Circles/01 - Circle arcs and sectors - 04 - Finding central angle measure given arc length.webm 1.87MB
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  9460. Math/08 - Arithmetic - 04 - Decimals/05 - Adding and subtracting decimals - 07 - Adding and subtracting decimals word problem.webm 1.87MB
  9461. Math/09 - Pre-algebra - 03 - Decimals/05 - Adding and subtracting decimals - 07 - Adding and subtracting decimals word problem.webm 1.87MB
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  9474. Math/09 - Pre-algebra - 04 - Fractions/14 - Decimals and fractions - 01 - Decimal to simplified fraction.webm 1.85MB
  9475. Math/19 - Integral calculus - 01 - Integrals/04 - Properties of the definite integral - 03 - Definite integral from and to same point.webm 1.85MB
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  9492. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/01 - Ratios and proportions - 03 - Simplifying rates and ratios.webm 1.84MB
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  9496. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 28 - 28 Tall structures.webm 1.83MB
  9497. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 28 - 28 Tall structures.webm 1.83MB
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  9502. Math/09 - Pre-algebra - 03 - Decimals/04 - Comparing decimals - 04 - Comparing decimals_ place value difference.webm 1.83MB
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  9506. Math/11 - Algebra I - 08 - Exponent expressions and equations/02 - Exponent properties examples with variables - 03 - Exponent properties 1.webm 1.82MB
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  9508. Math/08 - Arithmetic - 05 - Fractions/06 - Adding and subtracting fractions - 02 - Subtracting fractions with like denominators.webm 1.82MB
  9509. Math/09 - Pre-algebra - 04 - Fractions/07 - Adding and subtracting fractions - 02 - Subtracting fractions with like denominators.webm 1.82MB
  9510. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 19 - 9 quadrilateral area.webm 1.82MB
  9511. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 02 - 4 Thinking about sets.webm 1.82MB
  9512. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 08 - 8 Comparing functions.webm 1.81MB
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  9517. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 10 - 10 Rope cutting.webm 1.80MB
  9518. Test prep/05 - CAHSEE - 01 - CAHSEE/01 - CAHSEE - 15 - CAHSEE practice_ Problems 52-53.webm 1.80MB
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  9520. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 27 - 27 Theories of evolution.webm 1.80MB
  9521. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 27 - 27 Theories of evolution.webm 1.80MB
  9522. Math/03 - 4th grade (U.S.) - 03 - Fractions/07 - Multiplying whole numbers and fractions - 05 - Multiplying fractions word problem_ milk love.webm 1.79MB
  9523. Math/04 - 5th grade (U.S.) - 02 - Fractions/05 - Multiplying fractions word problems - 02 - Multiplying fractions word problem_ milk love.webm 1.79MB
  9524. Math/08 - Arithmetic - 05 - Fractions/10 - Multiplying fractions word problems - 02 - Multiplying fractions word problem_ milk love.webm 1.79MB
  9525. Math/09 - Pre-algebra - 04 - Fractions/10 - Multiplying fractions word problems - 02 - Multiplying fractions word problem_ milk love.webm 1.79MB
  9526. Math/10 - Algebra basics - 07 - Quadratics and polynomials/02 - Multiplying binomials - 06 - Multiplying binomials to get difference of squares.webm 1.79MB
  9527. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/02 - Multiplying binomials - 08 - Multiplying binomials to get difference of squares.webm 1.79MB
  9528. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 10 - 5 Angle in triangle.webm 1.79MB
  9529. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/03 - Mortgage-backed securities - 01 - Mortgage-backed security overview.webm 1.79MB
  9530. Math/04 - 5th grade (U.S.) - 02 - Fractions/03 - Multiplying fractions - 03 - Multiplying two fractions_ example.webm 1.79MB
  9531. Math/08 - Arithmetic - 05 - Fractions/09 - Multiplying fractions - 03 - Multiplying two fractions_ example.webm 1.79MB
  9532. Math/09 - Pre-algebra - 04 - Fractions/09 - Multiplying fractions - 03 - Multiplying two fractions_ example.webm 1.79MB
  9533. Math/07 - 8th grade (U.S.) - 05 - Geometry/08 - Transformations, congruence, and similarity - 06 - Performing a rotation to match figures.webm 1.79MB
  9534. Math/12 - Basic geometry - 08 - Transformations, congruence, and similarity/01 - Transformations - 03 - Performing a rotation to match figures.webm 1.79MB
  9535. Math/13 - Geometry - 10 - Transformations/04 - Transformations on the coordinate plane - 01 - Performing a rotation to match figures.webm 1.79MB
  9536. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/07 - Multi-step word problems - 03 - Multi-step word problem with addition, subtraction, and multiplication.webm 1.78MB
  9537. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/02 - Multi-step word problems - 03 - Multi-step word problem with addition, subtraction, and multiplication.webm 1.78MB
  9538. Math/03 - 4th grade (U.S.) - 02 - Multiplication and division/05 - Multiplication, division word problems - 03 - Multiplication, division word problems_ pedaling how fast_.webm 1.78MB
  9539. Math/08 - Arithmetic - 02 - Multiplication and division/09 - Fancy multiplication and division word problems - 03 - Multiplication, division word problems_ pedaling how fast_.webm 1.78MB
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  9541. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/05 - Factoring special products - 03 - Example 2_ Factoring difference of squares.webm 1.78MB
  9542. Math/14 - Algebra II - 03 - Polynomial and rational functions/01 - Factoring quadratics - 08 - Example 2_ Factoring difference of squares.webm 1.78MB
  9543. Test prep/01 - SAT - 03 - SAT Math practice/05 - SAT Math_ Level 5 - 09 - 20 Solving for variable.webm 1.78MB
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  9545. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 22 - 22 Car headlights.webm 1.78MB
  9546. Math/07 - 8th grade (U.S.) - 06 - Data and modeling/02 - Scatter plots - 04 - Constructing scatter plot exercise example.webm 1.78MB
  9547. Math/16 - Probability and statistics - 06 - Regression/01 - Scatter plots - 04 - Constructing scatter plot exercise example.webm 1.78MB
  9548. Science/07 - Discoveries and projects - 01 - Discoveries/01 - Discovery of magnetism - 02 - Compass_ Which way is north_.webm 1.78MB
  9549. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 17 - 17 Nobel prize.webm 1.77MB
  9550. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 17 - 17 Nobel prize.webm 1.77MB
  9551. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 05 - 5 Equation that describes number pairs.webm 1.77MB
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  9553. Math/09 - Pre-algebra - 08 - Arithmetic properties/01 - Place value - 01 - Finding a number's place value.webm 1.77MB
  9554. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/06 - Recognizing functions - 01 - Testing if a relationship is a function.webm 1.77MB
  9555. Math/11 - Algebra I - 09 - Functions/02 - Recognizing functions - 01 - Testing if a relationship is a function.webm 1.77MB
  9556. Math/14 - Algebra II - 02 - Functions and their graphs/04 - Recognizing functions - 01 - Testing if a relationship is a function.webm 1.77MB
  9557. Partner content/05 - The J. Paul Getty Museum - 10 - For kids/01 - For kids - 02 - Snake-haired monster.webm 1.76MB
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  9559. Math/10 - Algebra basics - 03 - Linear equations and inequalities/04 - Linear inequalities - 12 - Constructing, solving two-step inequality example.webm 1.76MB
  9560. Math/11 - Algebra I - 03 - Linear inequalities/01 - Thinking algebraically about inequalities - 12 - Constructing, solving two-step inequality example.webm 1.76MB
  9561. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 18 - 12 Corresponding side lengths.webm 1.76MB
  9562. Test prep/01 - SAT - 03 - SAT Math practice/05 - SAT Math_ Level 5 - 05 - 8 Pounds of muscle.webm 1.75MB
  9563. Math/07 - 8th grade (U.S.) - 03 - Relationships and functions/08 - Linear and nonlinear functions - 02 - Linear and nonlinear functions (example 1).webm 1.75MB
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  9565. Math/09 - Pre-algebra - 08 - Arithmetic properties/06 - Rational and irrational numbers - 02 - Recognizing irrational numbers.webm 1.75MB
  9566. Math/11 - Algebra I - 10 - Ratios and proportions/03 - Rational and irrational numbers - 02 - Recognizing irrational numbers.webm 1.75MB
  9567. Math/03 - 4th grade (U.S.) - 07 - Place value and rounding/01 - Place value - 08 - Creating the largest possible number.webm 1.75MB
  9568. Math/09 - Pre-algebra - 08 - Arithmetic properties/03 - Understanding whole number representations - 03 - Creating the largest possible number.webm 1.75MB
  9569. Math/06 - 7th grade (U.S.) - 04 - Variables and expressions/03 - Interpreting linear expressions - 01 - Interpreting linear expressions, 1.webm 1.75MB
  9570. Math/11 - Algebra I - 01 - Introduction to algebra/04 - Writing and interpreting expressions - 04 - Interpreting linear expressions, 1.webm 1.75MB
  9571. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 15 - 10 Finding angle measure.webm 1.75MB
  9572. Math/02 - 3rd grade (U.S.) - 01 - Addition and subtraction/01 - Adding with regrouping within 1000 - 02 - Adding_ three digit numbers.webm 1.74MB
  9573. Math/03 - 4th grade (U.S.) - 01 - Addition and subtraction/01 - Adding multi-digit numbers - 02 - Adding_ three digit numbers.webm 1.74MB
  9574. Math/08 - Arithmetic - 01 - Addition and subtraction/03 - Addition with carrying - 01 - Adding_ three digit numbers.webm 1.74MB
  9575. Math/03 - 4th grade (U.S.) - 03 - Fractions/04 - Word problems_ Adding and subtracting fractions - 02 - Word problem_ What fraction of spider eyes are looking at me_.webm 1.73MB
  9576. Math/08 - Arithmetic - 05 - Fractions/06 - Adding and subtracting fractions - 03 - Word problem_ What fraction of spider eyes are looking at me_.webm 1.73MB
  9577. Math/09 - Pre-algebra - 04 - Fractions/07 - Adding and subtracting fractions - 03 - Word problem_ What fraction of spider eyes are looking at me_.webm 1.73MB
  9578. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/05 - Factoring special products - 04 - Factoring to produce difference of squares.webm 1.73MB
  9579. Math/14 - Algebra II - 03 - Polynomial and rational functions/01 - Factoring quadratics - 09 - Factoring to produce difference of squares.webm 1.73MB
  9580. Math/11 - Algebra I - 09 - Functions/09 - New operator definitions - 02 - New operator definitions 2.webm 1.73MB
  9581. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/02 - Ratio word problems - 01 - Ratio word problem_ boys to girls.webm 1.73MB
  9582. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/01 - Ratios and proportions - 04 - Ratio word problem_ boys to girls.webm 1.73MB
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  9584. Math/11 - Algebra I - 01 - Introduction to algebra/02 - Variables and expressions - 03 - Evaluating an expression example.webm 1.72MB
  9585. Math/07 - 8th grade (U.S.) - 06 - Data and modeling/04 - Two-way tables - 04 - Interpreting two way tables.webm 1.72MB
  9586. Economics and finance/03 - Finance and capital markets - 09 - Options, swaps, futures, MBSs, CDOs, and other derivatives/01 - Put and call options - 16 - Put-call parity clarification.webm 1.72MB
  9587. Math/09 - Pre-algebra - 08 - Arithmetic properties/09 - Arithmetic properties - 04 - Associative law of addition.webm 1.72MB
  9588. Math/18 - Differential calculus - 01 - Limits/06 - Limits and infinity - 03 - Visually determining vertical asymptotes.webm 1.71MB
  9589. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/13 - Average rate of change - 03 - Average rate of change (example 3).webm 1.71MB
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  9591. Math/11 - Algebra I - 01 - Introduction to algebra/08 - Getting a feel for equations and inequalities - 08 - Dependent and independent variables exercise_ express the graph as an equation.webm 1.70MB
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  9594. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 06 - 6 Equivalent expressions.webm 1.70MB
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  9596. Math/12 - Basic geometry - 02 - Angles/03 - Relationships between angles - 05 - Figuring out angles between transversal and parallel lines.webm 1.70MB
  9597. Math/13 - Geometry - 02 - Angles and intersecting lines/02 - Angles between intersecting and parallel lines - 06 - Figuring out angles between transversal and parallel lines.webm 1.70MB
  9598. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/08 - Polynomial basics - 12 - Adding and subtracting polynomials 3.webm 1.69MB
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  9600. Math/10 - Algebra basics - 03 - Linear equations and inequalities/01 - Solving basic equations - 02 - Simple equations of the form x_a _ b.webm 1.68MB
  9601. Math/11 - Algebra I - 02 - Linear equations/03 - Equations for beginners - 02 - Simple equations of the form x_a _ b.webm 1.68MB
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  9603. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/03 - Rates - 02 - Solving unit price problem.webm 1.68MB
  9604. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/02 - Rates - 03 - Solving unit price problem.webm 1.68MB
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  9607. Math/14 - Algebra II - 02 - Functions and their graphs/01 - Function introduction - 07 - Understanding function notation (example 3).webm 1.68MB
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  9610. Math/01 - Early math - 03 - Addition and subtraction/02 - Addition and subtraction within 10 - 03 - Addition word problems within 10.webm 1.67MB
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  9614. Math/16 - Probability and statistics - 01 - Independent and dependent events/01 - Basic probability - 05 - Finding probablity example 3.webm 1.67MB
  9615. Math/17 - Precalculus - 05 - Probability and combinatorics/01 - Basic probability - 04 - Finding probablity example 3.webm 1.67MB
  9616. Math/14 - Algebra II - 09 - Matrices/01 - Basic matrix operations - 03 - Scalar multiplication.webm 1.67MB
  9617. Math/17 - Precalculus - 02 - Matrices/01 - Basic matrix operations - 03 - Scalar multiplication.webm 1.67MB
  9618. Math/03 - 4th grade (U.S.) - 03 - Fractions/08 - Decimals and fractions - 01 - Converting decimals to fractions example 1.webm 1.67MB
  9619. Math/06 - 7th grade (U.S.) - 03 - Fractions and decimals/03 - Converting fractions and decimals - 02 - Converting decimals to fractions example 1.webm 1.67MB
  9620. Math/08 - Arithmetic - 04 - Decimals/08 - Converting between fractions and decimals - 06 - Converting decimals to fractions example 1.webm 1.67MB
  9621. Math/08 - Arithmetic - 05 - Fractions/14 - Decimals and fractions - 07 - Converting decimals to fractions example 1.webm 1.67MB
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  9623. Math/09 - Pre-algebra - 04 - Fractions/14 - Decimals and fractions - 07 - Converting decimals to fractions example 1.webm 1.67MB
  9624. Math/01 - Early math - 04 - Measurement and data/03 - Time and money - 02 - Telling time exercise example 2.webm 1.66MB
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  9628. Math/24 - Math contests - 02 - AIME/01 - 2003 AIME - 08 - 2003 AIME II problem 5 minor correction.webm 1.66MB
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  9630. Math/08 - Arithmetic - 04 - Decimals/07 - Dividing decimals - 02 - Dividing completely to get decimal answer example 2.webm 1.66MB
  9631. Math/09 - Pre-algebra - 03 - Decimals/07 - Dividing decimals - 02 - Dividing completely to get decimal answer example 2.webm 1.66MB
  9632. Math/05 - 6th grade (U.S.) - 03 - Negative numbers/02 - Absolute value - 03 - Absolute value of integers.webm 1.66MB
  9633. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/04 - Absolute value - 03 - Absolute value of integers.webm 1.66MB
  9634. Math/09 - Pre-algebra - 01 - Negative numbers and absolute value/04 - Absolute value - 03 - Absolute value of integers.webm 1.66MB
  9635. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 01 - 1 Solving for 2x.webm 1.65MB
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  9638. Math/19 - Integral calculus - 04 - Sequences, series, and function approximation/01 - Sequences - 02 - Finding terms of explicitly defined sequence.webm 1.65MB
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  9640. Math/03 - 4th grade (U.S.) - 01 - Addition and subtraction/02 - Subtracting_ multi-digit numbers - 04 - Subtracting_ Regrouping from zero.webm 1.64MB
  9641. Math/08 - Arithmetic - 01 - Addition and subtraction/04 - Subtracting within 1000 - 06 - Subtracting_ Regrouping from zero.webm 1.64MB
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  9643. Math/08 - Arithmetic - 03 - Negative numbers and absolute value/03 - Multiplying and dividing negative numbers - 05 - Multiplying numbers with different signs.webm 1.64MB
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  9650. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/05 - Dividing fractions by fractions - 04 - Dividing whole numbers and fractions_ t-shirts.webm 1.63MB
  9651. Math/08 - Arithmetic - 05 - Fractions/15 - Dividing fractions - 05 - Dividing whole numbers and fractions_ t-shirts.webm 1.63MB
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  9670. Math/14 - Algebra II - 03 - Polynomial and rational functions/08 - Factoring and roots of higher degree polynomials - 03 - Example_ Factoring a fourth degree expression.webm 1.61MB
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  9675. Test prep/01 - SAT - 03 - SAT Math practice/03 - SAT Math_ Level 3 - 03 - 14 Running distance ratio.webm 1.61MB
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  9679. Test prep/01 - SAT - 03 - SAT Math practice/01 - SAT Math_ Level 1 - 12 - 4 Negative numbers and absolute value.webm 1.60MB
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  9683. Math/14 - Algebra II - 07 - Imaginary and complex numbers/02 - Complex numbers - 04 - Subtracting complex numbers.webm 1.60MB
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  9688. Test prep/02 - MCAT - 09 - Society and culture/03 - Culture - 06 - Diffusion.webm 1.59MB
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  9699. Test prep/01 - SAT - 02 - Full-length SAT/02 - Section 2 - 12 - 12 Probability satisfying inequality.webm 1.56MB
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  9701. Math/12 - Basic geometry - 01 - Lines/01 - Lines, line segments and rays - 04 - Drawing line segments example.webm 1.55MB
  9702. Math/13 - Geometry - 01 - Introduction to Euclidean geometry/01 - Introduction to Euclidean geometry - 04 - Drawing line segments example.webm 1.55MB
  9703. Math/10 - Algebra basics - 03 - Linear equations and inequalities/06 - Direct and inverse variation - 03 - Proportionality constant for direct variation.webm 1.55MB
  9704. Math/11 - Algebra I - 09 - Functions/04 - Direct and inverse variation - 03 - Proportionality constant for direct variation.webm 1.55MB
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  9708. Math/10 - Algebra basics - 01 - Foundations/07 - Decimals, fractions and percentages - 07 - Percentage of a whole number.webm 1.55MB
  9709. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/04 - Percentages - 05 - Converting decimals to percents example 2.webm 1.55MB
  9710. Math/08 - Arithmetic - 04 - Decimals/09 - Intro to percentages - 05 - Converting decimals to percents example 2.webm 1.55MB
  9711. Math/09 - Pre-algebra - 03 - Decimals/09 - Intro to percentages - 05 - Converting decimals to percents example 2.webm 1.55MB
  9712. Partner content/05 - The J. Paul Getty Museum - 10 - For kids/01 - For kids - 13 - St. Michael the archangel, sassy devil and crew.webm 1.55MB
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  9717. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 19 - 3 Triangle angles.webm 1.54MB
  9718. Math/10 - Algebra basics - 02 - Algebraic expressions/01 - Variables and expressions - 04 - Example_ Evaluating expressions with 2 variables.webm 1.54MB
  9719. Math/11 - Algebra I - 01 - Introduction to algebra/02 - Variables and expressions - 07 - Example_ Evaluating expressions with 2 variables.webm 1.54MB
  9720. Science/07 - Discoveries and projects - 04 - Lego robotics/04 - Ant bot - 02 - Robot construction.webm 1.53MB
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  9722. Math/08 - Arithmetic - 02 - Multiplication and division/05 - Multi-digit multiplication - 04 - Multiplying_ 2 digits times 1 digit (with carrying).webm 1.53MB
  9723. Math/11 - Algebra I - 09 - Functions/03 - Domain and range - 05 - Domain of a radical function.webm 1.53MB
  9724. Math/14 - Algebra II - 02 - Functions and their graphs/03 - Domain and range - 05 - Domain of a radical function.webm 1.53MB
  9725. Math/03 - 4th grade (U.S.) - 05 - Geometry/03 - Interpreting and constructing angles - 05 - Indentify the angle example.webm 1.53MB
  9726. Math/12 - Basic geometry - 02 - Angles/02 - Interpreting angles - 05 - Indentify the angle example.webm 1.53MB
  9727. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 03 - 3 Average of 4 numbers.webm 1.52MB
  9728. Math/10 - Algebra basics - 07 - Quadratics and polynomials/04 - Factoring special products - 02 - Example 1_ Factoring difference of squares.webm 1.52MB
  9729. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/05 - Factoring special products - 02 - Example 1_ Factoring difference of squares.webm 1.52MB
  9730. Math/14 - Algebra II - 03 - Polynomial and rational functions/01 - Factoring quadratics - 07 - Example 1_ Factoring difference of squares.webm 1.52MB
  9731. Math/05 - 6th grade (U.S.) - 05 - Variables and expressions/01 - Writing expressions - 04 - Writing simple algebraic expressions.webm 1.52MB
  9732. Math/10 - Algebra basics - 02 - Algebraic expressions/01 - Variables and expressions - 06 - Writing simple algebraic expressions.webm 1.52MB
  9733. Math/11 - Algebra I - 01 - Introduction to algebra/04 - Writing and interpreting expressions - 01 - Writing simple algebraic expressions.webm 1.52MB
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  9739. Math/10 - Algebra basics - 01 - Foundations/08 - Operations with decimals - 04 - Subtracting decimals example 2.webm 1.51MB
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  9743. Math/10 - Algebra basics - 04 - Graphing lines and slope/02 - Solutions and graphs of two-variable equations - 01 - Ordered pair solutions of equations.webm 1.49MB
  9744. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/02 - Graphing solutions to equations - 01 - Ordered pair solutions of equations.webm 1.49MB
  9745. Math/03 - 4th grade (U.S.) - 05 - Geometry/03 - Interpreting and constructing angles - 06 - Parallel and perpendicular lines intro.webm 1.49MB
  9746. Math/12 - Basic geometry - 02 - Angles/02 - Interpreting angles - 06 - Parallel and perpendicular lines intro.webm 1.49MB
  9747. Math/06 - 7th grade (U.S.) - 01 - Rates, proportional relationships, and ratios/02 - Proportional relationships - 02 - Analyzing proportional relationships in a graph.webm 1.48MB
  9748. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/04 - Proportional relationships - 02 - Analyzing proportional relationships in a graph.webm 1.48MB
  9749. Math/17 - Precalculus - 06 - Sequences, series and induction/07 - Deductive and inductive reasoning - 04 - Inductive reasoning 1.webm 1.48MB
  9750. Math/17 - Precalculus - 01 - Vectors/01 - Vector basics - 05 - Subtracting vectors exercise example.webm 1.48MB
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  9753. Math/09 - Pre-algebra - 04 - Fractions/05 - Decomposing fractions - 03 - Adding up fractions.webm 1.47MB
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  9755. Math/09 - Pre-algebra - 06 - Applying mathematical reasoning/06 - Constructing numeric expressions - 02 - Evaluating expressions with and without parentheses.webm 1.47MB
  9756. Math/10 - Algebra basics - 04 - Graphing lines and slope/06 - Constructing equations in slope-intercept form - 07 - Finding y intercept given slope and point.webm 1.47MB
  9757. Math/11 - Algebra I - 04 - Graphing and analyzing linear functions/08 - Constructing equations in slope-intercept form - 08 - Finding y intercept given slope and point.webm 1.47MB
  9758. Science/07 - Discoveries and projects - 01 - Discoveries/01 - Discovery of magnetism - 06 - Neutralize a compass.webm 1.47MB
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  9760. Math/08 - Arithmetic - 04 - Decimals/03 - Decimals on a number line - 02 - Decimals and fractions on a number line.webm 1.45MB
  9761. Math/08 - Arithmetic - 05 - Fractions/11 - Mixed numbers and improper fractions - 09 - Decimals and fractions on a number line.webm 1.45MB
  9762. Math/09 - Pre-algebra - 03 - Decimals/03 - Decimals on a number line - 02 - Decimals and fractions on a number line.webm 1.45MB
  9763. Math/09 - Pre-algebra - 04 - Fractions/11 - Mixed numbers and improper fractions - 09 - Decimals and fractions on a number line.webm 1.45MB
  9764. Math/05 - 6th grade (U.S.) - 02 - Arithmetic operations/01 - Adding and subtracting decimals - 04 - Subtracting decimals example 1.webm 1.45MB
  9765. Math/08 - Arithmetic - 04 - Decimals/05 - Adding and subtracting decimals - 05 - Subtracting decimals example 1.webm 1.45MB
  9766. Math/09 - Pre-algebra - 03 - Decimals/05 - Adding and subtracting decimals - 05 - Subtracting decimals example 1.webm 1.45MB
  9767. Math/08 - Arithmetic - 02 - Multiplication and division/04 - Starter multiplication and division word problems - 04 - Division word problem example 1.webm 1.45MB
  9768. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 11 - 11 Function equaling zero.webm 1.45MB
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  9770. Math/09 - Pre-algebra - 04 - Fractions/11 - Mixed numbers and improper fractions - 03 - Proper and improper fractions.webm 1.45MB
  9771. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/02 - Ratio word problems - 05 - Solving ratio problems with graph.webm 1.44MB
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  9776. Math/11 - Algebra I - 07 - Quadratic equations/01 - Solving quadratics by taking square root - 04 - Determining mistakes in steps example.webm 1.44MB
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  9778. Math/10 - Algebra basics - 04 - Graphing lines and slope/03 - Graphing with intercepts - 04 - Finding x intercept of a line.webm 1.43MB
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  9780. Math/08 - Arithmetic - 05 - Fractions/01 - Understanding fractions - 03 - Recognizing fractions exercise.webm 1.43MB
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  9783. Math/08 - Arithmetic - 04 - Decimals/07 - Dividing decimals - 03 - Dividing a decimal by a whole number.webm 1.43MB
  9784. Math/09 - Pre-algebra - 03 - Decimals/07 - Dividing decimals - 03 - Dividing a decimal by a whole number.webm 1.43MB
  9785. Math/08 - Arithmetic - 02 - Multiplication and division/05 - Multi-digit multiplication - 10 - Multiplication estimation example.webm 1.43MB
  9786. Math/09 - Pre-algebra - 08 - Arithmetic properties/09 - Arithmetic properties - 03 - Commutative law of multiplication.webm 1.43MB
  9787. Test prep/01 - SAT - 03 - SAT Math practice/05 - SAT Math_ Level 5 - 04 - 16 Writing compound inequality.webm 1.42MB
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  9789. Math/08 - Arithmetic - 04 - Decimals/03 - Decimals on a number line - 01 - Decimals on a number line.webm 1.42MB
  9790. Math/09 - Pre-algebra - 03 - Decimals/03 - Decimals on a number line - 01 - Decimals on a number line.webm 1.42MB
  9791. Math/10 - Algebra basics - 07 - Quadratics and polynomials/06 - Polynomial basics - 05 - Adding and subtracting polynomials 1.webm 1.42MB
  9792. Math/11 - Algebra I - 06 - Multiplying and factoring expressions/08 - Polynomial basics - 10 - Adding and subtracting polynomials 1.webm 1.42MB
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  9795. Math/09 - Pre-algebra - 07 - Exponents, radicals, and scientific notation/07 - Orders of magnitude - 02 - Orders of magnitude exercise example 1.webm 1.40MB
  9796. Math/23 - Recreational math - 03 - Math warmups/03 - Independent events warmup - 01 - Frequency stability.webm 1.40MB
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  9798. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 25 - 25 Shakespearean character.webm 1.40MB
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  9814. Math/09 - Pre-algebra - 04 - Fractions/12 - Mixed number addition and subtraction - 07 - Adding mixed numbers with like denominators.webm 1.37MB
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  9823. Math/08 - Arithmetic - 02 - Multiplication and division/05 - Multi-digit multiplication - 03 - Multiplying_ 3 digits times 1 digit.webm 1.36MB
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  9827. Math/03 - 4th grade (U.S.) - 05 - Geometry/02 - Angles - 04 - Angles and circumference.webm 1.34MB
  9828. Math/12 - Basic geometry - 02 - Angles/01 - Angle basics - 04 - Angles and circumference.webm 1.34MB
  9829. Math/13 - Geometry - 02 - Angles and intersecting lines/01 - Angle basics and measurement - 08 - Angles and circumference.webm 1.34MB
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  9832. Math/08 - Arithmetic - 02 - Multiplication and division/05 - Multi-digit multiplication - 02 - Multiplying_ 2 digits times 1 digit.webm 1.34MB
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  9836. Math/10 - Algebra basics - 01 - Foundations/03 - The world of exponents - 03 - Exponent example 2.webm 1.34MB
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  9839. Math/09 - Pre-algebra - 03 - Decimals/05 - Adding and subtracting decimals - 06 - Adding decimals word problem.webm 1.34MB
  9840. Math/11 - Algebra I - 08 - Exponent expressions and equations/03 - Fractional exponents - 07 - Fractional exponent expressions 1.webm 1.33MB
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  9870. Test prep/01 - SAT - 02 - Full-length SAT/05 - Section 6 - 05 - 5 Triangle angle measure.webm 1.29MB
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  9877. Math/09 - Pre-algebra - 08 - Arithmetic properties/03 - Understanding whole number representations - 02 - Comparing whole number place values.webm 1.27MB
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  9879. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 15 - 15 Storing bread.webm 1.27MB
  9880. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 15 - 15 Storing bread.webm 1.27MB
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  9901. Math/10 - Algebra basics - 01 - Foundations/08 - Operations with decimals - 02 - Adding decimals_ example 2.webm 1.23MB
  9902. Math/13 - Geometry - 06 - Perimeter, area, and volume/06 - Perimeter and area of non-standard shapes - 06 - Perimeter of a parallelogram.webm 1.22MB
  9903. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/04 - Percentages - 06 - Converting percents to decimals.webm 1.21MB
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  9907. Math/12 - Basic geometry - 08 - Transformations, congruence, and similarity/01 - Transformations - 01 - Rotating segment about origin example.webm 1.20MB
  9908. Math/13 - Geometry - 10 - Transformations/02 - Exploring rigid transformations - 01 - Rotating segment about origin example.webm 1.20MB
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  9916. Math/13 - Geometry - 03 - Congruence/01 - Transformations and congruence - 02 - Another congruence by transformation example.webm 1.18MB
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  9927. Math/11 - Algebra I - 09 - Functions/06 - Evaluating function expressions - 05 - Evaluating a function expression.webm 1.16MB
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  9931. Test prep/01 - SAT - 02 - Full-length SAT/06 - Section 8 - 06 - 6 Possible median value.webm 1.15MB
  9932. Math/06 - 7th grade (U.S.) - 05 - Geometry/01 - Measuring segments - 02 - Measuring Line Segments.webm 1.14MB
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  9934. Test prep/01 - SAT - 03 - SAT Math practice/02 - SAT Math_ Level 2 - 17 - 7 Circumference of circle.webm 1.14MB
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  9937. Math/08 - Arithmetic - 05 - Fractions/13 - Mixed number multiplication and division - 03 - Reciprocal of a mixed number.webm 1.12MB
  9938. Math/09 - Pre-algebra - 04 - Fractions/13 - Mixed number multiplication and division - 03 - Reciprocal of a mixed number.webm 1.12MB
  9939. Test prep/01 - SAT - 02 - Full-length SAT/04 - Section 5 - 18 - 18 Sound of sap.webm 1.11MB
  9940. Test prep/01 - SAT - 04 - SAT Reading and Writing practice/04 - Full-length SAT_ Section 5 - 18 - 18 Sound of sap.webm 1.11MB
  9941. Math/05 - 6th grade (U.S.) - 01 - Ratios, rates, and percentages/06 - Unit conversion - 01 - Converting pounds to ounces.webm 1.11MB
  9942. Math/09 - Pre-algebra - 05 - Ratios, proportions, units, and rates/03 - Unit conversion - 01 - Converting pounds to ounces.webm 1.11MB
  9943. Math/04 - 5th grade (U.S.) - 02 - Fractions/05 - Multiplying fractions word problems - 05 - Multiplying fractions word problem_ laundry emergency.webm 1.11MB
  9944. Math/08 - Arithmetic - 05 - Fractions/10 - Multiplying fractions word problems - 05 - Multiplying fractions word problem_ laundry emergency.webm 1.11MB
  9945. Math/09 - Pre-algebra - 04 - Fractions/10 - Multiplying fractions word problems - 05 - Multiplying fractions word problem_ laundry emergency.webm 1.11MB
  9946. Test prep/01 - SAT - 03 - SAT Math practice/01 - SAT Math_ Level 1 - 07 - 2 Contradicting statement.webm 1.11MB
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  10137. readme.txt 939B