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Science & Technology
The most horrifying parasites on the planet
lesson duration 03:01
2,386,527 views
Literature & Language
Why the ancient Greeks couldn't see blue
lesson duration 06:40
5,672,427 views
Science & Technology
Nature's mood rings: How chameleons really change color
lesson duration 03:39
1,166,406 views
Science & Technology
Why humans are so bad at thinking about climate change
lesson duration 09:45
2,188,143 views
Science & Technology
How do pelicans survive their death-defying dives?
lesson duration 03:48
2,257,806 views
Design, Engineering & Technology
Why can't we get power from waves?
lesson duration 03:16
1,659,613 views