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
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The average person's skin weighs twice as much as their brain.
131
A hummingbird weighs less than a penny.
1k
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
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