On average a woman has 4 sexual partners in her lifetime.
-143
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Mushrooms are more closely related to humans than they are to plants.
47
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Pain occurs when sounds are above 130 db.
124
Obsessive nose picking is called Rhinotillexomania.
101