The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
By weight, Bone is five times stronger than steel.
417
The cat brain weighs about 30g.
167
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
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
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
A hummingbird weighs less than a penny.
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