A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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Cows can sleep standing up, but they can only dream lying down.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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