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
A person can live without food for about a month, but only about a week without water.
156
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515