The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
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
Sex burns about 360 calories per hour.
860
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
The elephant brain weighs about 6,000g.
274
You burn 26 calories in a one minute kiss.
605