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Climate change will displace millions. Here's how we prepare - Colette Pichon Battle
lesson duration 12:48
134,545 views
3 bizarre (and delightful) ancient theories about bird migration
lesson duration 05:42
339,735 views
This thought experiment will help you understand quantum mechanics
lesson duration 04:59
285,660 views
Building the world's largest (and most controversial) power plant
lesson duration 05:38
907,630 views
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597,611 views
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How do steroids affect your muscles— and the rest of your body? - Anees Bahji
lesson duration 05:49
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330,517 views
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435,280 views
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