Only humans shed emotional tears.
331
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Human hair and fingernails continue to grow after death.
7
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Every human spent about half an hour as a single cell.
144
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89