Dieters who sleep more take off more fat that those who sleep less.
159
You burn more calories sleeping than you do watching television.
348
By weight, Bone is five times stronger than steel.
417
The cat brain weighs about 30g.
167
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The average person's skin weighs twice as much as their brain.
131