The adult human brain weighs about 3 pounds (1,300-1,400 g).
The elephant brain weighs about 6,000g.
The cat brain weighs about 30g.
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.
Dieters who sleep more take off more fat that those who sleep less.
Most elephants weigh less than a blue whale's tongue.
You burn 26 calories in a one minute kiss.