On average a woman has 4 sexual partners in her lifetime.
-143
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Your thumb is about the same size as your nose.
124
Poor eyesight (myopia) is associated with higher IQ.
232
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Obsessive nose picking is called Rhinotillexomania.
101
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197