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
Fidgeting can burn about 350 calories a day.
201
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The cat brain weighs about 30g.
167
A hummingbird weighs less than a penny.
1k
The average person's skin weighs twice as much as their brain.
131
Most elephants weigh less than a blue whale's tongue.
442