The Math That Proves Your Friends are More Popular Than You
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6:40
How to Never Lose at Tic Tac Toe
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6:20
Why Humans Are Supposed to Sleep in Two 4-Hour Phases
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16:29
Japan's Automakers Are In Crisis
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14:27
The Biggest Myth In Education
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6:55
Why You Can Only Have 150 Friends (According to Science)
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13:12
This is a Video About Bricks
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6:40
Why Google Doesn't Want You to Say You "Googled Something"
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8:29