It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Held in farts enter your bloodstream and are bad for your body.
26
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
There are about 1,400 different species of bacteria in your belly button.
10
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21