Dieters who sleep more take off more fat that those who sleep less.
159
A hummingbird weighs less than a penny.
1k
The cat brain weighs about 30g.
167
By weight, Bone is five times stronger than steel.
417
Sex burns about 360 calories per hour.
860
The elephant brain weighs about 6,000g.
274
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
The average person's skin weighs twice as much as their brain.
131