A hummingbird weighs less than a penny.
1k
Dolly Dimples, a 555 lbs. woman, lost 443 lbs in one year by eating nothing but baby food.
16
You burn 26 calories in a one minute kiss.
605
The cat brain weighs about 30g.
167
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
You burn more calories sleeping than you do watching television.
348