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05:15 Medical Conditions What causes kidney stones? Lesson duration 05:15 Manage Library 6,080,905 Views
04:56 Physical Science How to squeeze electricity out of crystals Lesson duration 04:56 Manage Library 652,773 Views
03:29 Science & Technology How deep is the ocean? Lesson duration 03:29 Manage Library 73,526,097 Views
08:07 Technology How do nuclear power plants work? Lesson duration 08:07 Manage Library 3,112,076 Views
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04:37 Cognition and Learning Why do people get so anxious about math? Lesson duration 04:37 Manage Library 2,881,880 Views
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05:43 History What is McCarthyism? And how did it happen? Lesson duration 05:43 Manage Library 3,720,697 Views
04:08 Earth and Space Science How small are we in the scale of the universe? Lesson duration 04:08 Manage Library 1,091,641 Views
04:36 Emotional Health Would winning the lottery make you happier? Lesson duration 04:36 Manage Library 1,132,392 Views
04:23 Area Studies The myth behind the Chinese zodiac Lesson duration 04:23 Manage Library 8,525,568 Views
04:52 Nature of Science Mary's Room: A philosophical thought experiment Lesson duration 04:52 Manage Library 4,221,444 Views
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04:56 Motivation and Emotion Would you sacrifice one person to save five? Lesson duration 04:56 Manage Library 5,166,214 Views
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