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05:40 Thinking & Learning The Boltzmann brain paradox Lesson duration 05:40 Manage Library 1,146,931 Views
05:06 Social Studies The rise and fall of the medieval Islamic Empire Lesson duration 05:06 Manage Library 1,445,834 Views
05:25 The Arts Can you guess what's wrong with these paintings? Lesson duration 05:25 Manage Library 715,537 Views
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05:24 Social Studies The 4 greatest threats to the survival of humanity Lesson duration 05:24 Manage Library 487,149 Views
05:01 Health What causes yeast infections, and how do you get rid of them? Lesson duration 05:01 Manage Library 897,916 Views
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04:02 Business & Economics What’s the best country to live in? Lesson duration 04:02 Manage Library 653,852 Views
05:12 Health What happens to your body at the top of Mount Everest Lesson duration 05:12 Manage Library 1,331,411 Views
09:33 The Arts The British Museum is full of stolen artifacts Lesson duration 09:33 Manage Library 5,571,839 Views
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05:12 Science & Technology These animals are also plants … wait, what? Lesson duration 05:12 Manage Library 1,430,224 Views
05:05 Science & Technology What is the rarest color in nature? Lesson duration 05:05 Manage Library 1,142,422 Views
05:23 Mathematics Can you solve the fortress riddle? Lesson duration 05:23 Manage Library 1,231,567 Views
06:33 Social Studies Ugly History: The Khmer Rouge murders Lesson duration 06:33 Manage Library 1,772,661 Views
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04:40 Psychological Disorders and Treatment Why are eating disorders so hard to treat? Lesson duration 04:40 Manage Library 1,641,682 Views
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09:17 Thinking & Learning Give yourself permission to be creative - Ethan Hawke Lesson duration 09:17 Manage Library 2,926,470 Views
04:39 Business & Economics Do tax cuts stimulate the economy? Lesson duration 04:39 Manage Library 345,462 Views