Sex burns about 360 calories per hour.
860
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The elephant brain weighs about 6,000g.
274
The cat brain weighs about 30g.
167
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
Dieters who sleep more take off more fat that those who sleep less.
159
Most elephants weigh less than a blue whale's tongue.
442
You burn 26 calories in a one minute kiss.
605