If the human eye was a digital camera, it would have 576 megapixels.
25
It takes about 20 seconds for a red blood cell to circle the whole body.
102
The world's shortest man measures only 21.5 inches.
73
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
Tigers can see 6 times better at night than humans.
305
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
The largest cell in the human body is the female egg and the smallest is the male sperm.
682