In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
In one day, adult lungs move about 10,000 litres of air.
11
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
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
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.
22
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127