Sex burns about 360 calories per hour.
860
The average person's skin weighs twice as much as their brain.
131
You burn more calories sleeping than you do watching television.
348
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
One human hair can support 3 ounces.
191
By weight, Bone is five times stronger than steel.
417
Dolly Dimples, a 555 lbs. woman, lost 443 lbs in one year by eating nothing but baby food.
16
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99