The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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Denmark has twice as many pigs as there are people.
66
The cat brain weighs about 30g.
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