The cat brain weighs about 30g.
167
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
A hummingbird weighs less than a penny.
1k
Sex burns about 360 calories per hour.
860
Dieters who sleep more take off more fat that those who sleep less.
159
The average person's skin weighs twice as much as their brain.
131
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19