Fidgeting can burn about 350 calories a day.
201
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
Sex burns about 360 calories per hour.
860
Dieters who sleep more take off more fat that those who sleep less.
159
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
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