The human sigh acts as a physiological reset button.
23
Only humans shed emotional tears.
331
The human body contains over a billion miles of DNA.
147
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
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
Every human spent about half an hour as a single cell.
144
We share 70% of our DNA with a slug.
218
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346