The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Ants tend to survive in a microwave because they find the coolest spot and wait!
17
Mosquitoes don't just bite you, they also pee on you.
11
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Gorillas can catch human colds and other illnesses.
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Penguins have a gland above their eye that turns saltwater into freshwater.
12
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23