The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
You burn 26 calories in a one minute kiss.
605
A hummingbird weighs less than a penny.
1k
You burn more calories sleeping than you do watching television.
348
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
The cat brain weighs about 30g.
167