By weight, Bone is five times stronger than steel.
417
Dieters who sleep more take off more fat that those who sleep less.
159
Fidgeting can burn about 350 calories a day.
201
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The elephant brain weighs about 6,000g.
274
The average person's skin weighs twice as much as their brain.
131
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 26 calories in a one minute kiss.
605