Dieters who sleep more take off more fat that those who sleep less.
159
The elephant brain weighs about 6,000g.
274
Most elephants weigh less than a blue whale's tongue.
442
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.
1k
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