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
People who laugh more are better able to tolerate pain - both physical and emotional.
36
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
The yin-yang pattern's earliest use is in Rome - not China!
125
If you get water flowing fast enough, it can cut metal.
354
The average American uses eight times as much fuel energy as an average person anywhere else in the world.
28
The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
10
You can start a fire with ice.
367