By weight, Bone is five times stronger than steel.
417
One human hair can support 3 ounces.
191
You burn 26 calories in a one minute kiss.
605
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
The elephant brain weighs about 6,000g.
274
The average person's skin weighs twice as much as their brain.
131
Dieters who sleep more take off more fat that those who sleep less.
159