In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
There's 100 trillion good bacteria living in your body.
17
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
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
There are about 1,400 different species of bacteria in your belly button.
10