The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Dieters who sleep more take off more fat that those who sleep less.
159
A hummingbird weighs less than a penny.
1k
The average person's skin weighs twice as much as their brain.
131
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
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