A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
Sex burns about 360 calories per hour.
860
The average person's skin weighs twice as much as their brain.
131
A hummingbird weighs less than a penny.
1k
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
You burn more calories sleeping than you do watching television.
348
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19