You forget 90% of your dreams.
256
Pain occurs when sounds are above 130 db.
124
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
One human hair can support 3 ounces.
191
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266