By weight, Bone is five times stronger than steel.
417
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
You burn more calories sleeping than you do watching television.
348
The average person's skin weighs twice as much as their brain.
131
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
One human hair can support 3 ounces.
191