Your fingernails grow faster in summer.
744
The average sperm cell swims at 8 inches per hour.
4
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
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
On average a woman has 4 sexual partners in her lifetime.
-143
The human brain is more active during sleep than during the day.
28
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
If the human eye was a digital camera, it would have 576 megapixels.
25