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05:36 Thinking & Learning Can you solve the monster duel riddle? Lesson duration 05:36 Manage Library 3,615,633 Views
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06:40 Linguistics Why the ancient Greeks couldn't see blue Lesson duration 06:40 Manage Library 8,301,504 Views
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05:05 Mathematics Can you solve the Alice in Wonderland riddle? Lesson duration 05:05 Manage Library 2,190,609 Views
05:16 Thinking & Learning How fast is the speed of thought? Lesson duration 05:16 Manage Library 988,301 Views
12:37 Psychology How we can face the future without fear, together - Rabbi Lord Jonathan Sacks Lesson duration 12:37 Manage Library 272,736 Views
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05:49 Health How do steroids affect your muscles— and the rest of your body? - Anees Bahji Lesson duration 05:49 Manage Library 3,686,612 Views
12:39 Psychology 3 questions to ask yourself about everything you do - Stacey Abrams Lesson duration 12:39 Manage Library 1,455,897 Views
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05:44 Science & Technology What if there were 1 trillion more trees? Lesson duration 05:44 Manage Library 3,803,063 Views
04:24 Thinking & Learning Can you outsmart the fallacy that started a witch hunt? Lesson duration 04:24 Manage Library 1,170,297 Views
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