Before making Finding Nemo, the animation gurus at Pixar Studios had to take a graduate class in fish biology and oceanography.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
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In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
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Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
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Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
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