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 best diamonds are colored blue-white.
80
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
In Dubai, there’s a fridge magnet that orders a pizza delivered to your door.
12