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0:40
Why do crabs carry sea urchins?
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0:40
The nesting wisdom of the waving tit
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0:34
A magical cut-resistant clothing
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0:42
Goats, the "rock climbing masters" of the animal world, walk on rocky cliffs
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0:38
An unusual technique in the long jump
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0:34
The most difficult marine animals in the Caotai world
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0:31
Foldable, lightweight, eco-friendly helmet
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0:33
Outdoor air conditioning system for the Qatar World Cup
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0:32
The most surreal painter in the world
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0:37
How does eddy current braking slow down a moving object?
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0:52
The story of five monkeys and a banana, a famous sociological experiment
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0:37
A "caterpillar" robot made of pig skin and magnets can carry drugs and deliver them precisely into t
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0:30
The most unfriendly building for homeless people in the world
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