More than 10% of the world's salt is used to de-ice American roads.
54
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 average IQ is 100, while 140 is the beginning of genius IQ.
140
Los Angeles's full name is "El Pueblo de Nuestra Senora la Reina de los Angeles de Porciuncula"!
72
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
The first toilet being flushed in a motion picture was in the movie Psycho.
67