For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
There are about 255 babies born worldwide every minute.
46
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
One human hair can support 3 ounces.
191
You forget 90% of your dreams.
256