Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Your thumb is about the same size as your nose.
124
Enamel is hardest substance in the human body.
61
If the human eye was a digital camera, it would have 576 megapixels.
25
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
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
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515