Most elephants weigh less than a blue whale's tongue.
442
Fidgeting can burn about 350 calories a day.
201
By weight, Bone is five times stronger than steel.
417
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
A hummingbird weighs less than a penny.
1k
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
One human hair can support 3 ounces.
191