The average person's skin weighs twice as much as their brain.
131
You burn more calories sleeping than you do watching television.
348
One human hair can support 3 ounces.
191
The elephant brain weighs about 6,000g.
274
A hummingbird weighs less than a penny.
1k
The earth is approx. 6,588,000,000,000,000,000 tons.
175
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