You can't tickle yourself.
29
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The human body contains over a billion miles of DNA.
147
Obsessive nose picking is called Rhinotillexomania.
101
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191