Fidgeting can burn about 350 calories a day.
201
One human hair can support 3 ounces.
191
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
You burn 26 calories in a one minute kiss.
605
Most elephants weigh less than a blue whale's tongue.
442
Sex burns about 360 calories per hour.
860
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