The earth is approx. 6,588,000,000,000,000,000 tons.
175
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 average person's skin weighs twice as much as their brain.
131
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
One human hair can support 3 ounces.
191
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
The elephant brain weighs about 6,000g.
274
Sex burns about 360 calories per hour.
860