Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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