The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Denmark has twice as many pigs as there are people.
66
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
The head of a jellyfish is called the "Bell."
6
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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