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
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
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Sex burns about 360 calories per hour.
860
Dieters who sleep more take off more fat that those who sleep less.
159
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
You burn 26 calories in a one minute kiss.
605
The cat brain weighs about 30g.
167