A man's beard grows fastest when he anticipates sex.
239
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
Pain occurs when sounds are above 130 db.
123
Only humans shed emotional tears.
331
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
If the human eye was a digital camera, it would have 576 megapixels.
25