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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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
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