Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
It takes about 20 seconds for a red blood cell to circle the whole body.
102
A person can live without food for about a month, but only about a week without water.
156
We share 70% of our DNA with a slug.
218
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Mushrooms are more closely related to humans than they are to plants.
47
Every human spent about half an hour as a single cell.
144