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
Most elephants weigh less than a blue whale's tongue.
442
You burn 26 calories in a one minute kiss.
605
The earth is approx. 6,588,000,000,000,000,000 tons.
175
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
A hummingbird weighs less than a penny.
1k
By weight, Bone is five times stronger than steel.
417
Fidgeting can burn about 350 calories a day.
201