Fidgeting can burn about 350 calories a day.
201
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
The cat brain weighs about 30g.
167
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
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 earth is approx. 6,588,000,000,000,000,000 tons.
175
Sex burns about 360 calories per hour.
860
The average person's skin weighs twice as much as their brain.
131