A hummingbird weighs less than a penny.
1k
The cat brain weighs about 30g.
167
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
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
Dieters who sleep more take off more fat that those who sleep less.
159
You burn 26 calories in a one minute kiss.
605