The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Condoms were originally made of animal intestines or linen.
347
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Whales and dolphins can't taste anything other than salt.
11
In 1949, an official boxing match between a bear and a man was held. The bear won.
41