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
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Sex burns about 360 calories per hour.
860
A hummingbird weighs less than a penny.
1k
The earth is approx. 6,588,000,000,000,000,000 tons.
175
You burn 26 calories in a one minute kiss.
605
You burn more calories sleeping than you do watching television.
348