Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human brain is more active during sleep than during the day.
28
Gorillas can catch human colds and other illnesses.
205
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
A person can live without food for about a month, but only about a week without water.
156
Every human spent about half an hour as a single cell.
144
Tigers can see 6 times better at night than humans.
305