If you unfolded your brain, it would cover an ironing board.
42
It takes 17 muscles to smile, 43 to frown.
65
35,000 people in the U.S. will die from the flu annually.
6
Fingernails grow nearly 4 times faster than toenails.
31
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
In Nepal, cow dung is used for medicinal purposes.
19
The heart pumps about 1 million barrels of blood during an average lifetime!
30