Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21

Mushrooms are more closely related to humans than they are to plants.
47
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
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
Poor eyesight (myopia) is associated with higher IQ.
232
Only humans shed emotional tears.
331
