The average person's skin weighs twice as much as their brain.
131
Sex burns about 360 calories per hour.
860
The earth is approx. 6,588,000,000,000,000,000 tons.
175
A hummingbird weighs less than a penny.
1k
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
Dieters who sleep more take off more fat that those who sleep less.
159
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
The cat brain weighs about 30g.
167