It takes 17 muscles to smile, 43 to frown.
65
Those who get out of bed by 7am are more likely to be thinner and happier.
19
The average sperm cell swims at 8 inches per hour.
4
Surgeons who listen to music during operations perform better than those who don't .
87
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Chewing gum boosts your brain power.
285
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5

