Most elephants weigh less than a blue whale's tongue.
442
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
By weight, Bone is five times stronger than steel.
417
The cat brain weighs about 30g.
167
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
You burn 26 calories in a one minute kiss.
605
Fidgeting can burn about 350 calories a day.
201
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99