The earth is approx. 6,588,000,000,000,000,000 tons.
175
Dieters who sleep more take off more fat that those who sleep less.
159
A hummingbird weighs less than a penny.
1k
The elephant brain weighs about 6,000g.
274
By weight, Bone is five times stronger than steel.
417
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
Most elephants weigh less than a blue whale's tongue.
442
You burn more calories sleeping than you do watching television.
348