The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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The head of a jellyfish is called the "Bell."
6
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
There's a rare breed of pig that looks like a sheep.
14
Early American humans hunted car-size armadillos and used their shells for houses.
12