The average person's skin weighs twice as much as their brain.
131
You burn more calories sleeping than you do watching television.
348
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 earth is approx. 6,588,000,000,000,000,000 tons.
175
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Dieters who sleep more take off more fat that those who sleep less.
159
A hummingbird weighs less than a penny.
1k
The elephant brain weighs about 6,000g.
274