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
Dieters who sleep more take off more fat that those who sleep less.
159
The elephant brain weighs about 6,000g.
274
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Fidgeting can burn about 350 calories a day.
201
You burn 26 calories in a one minute kiss.
605