When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
More than 10% of the world's salt is used to de-ice American roads.
54
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
The majority of suicides occur on a Monday.
393
If you get water flowing fast enough, it can cut metal.
354
The cruise liner, 'Queen Elizabeth 2', moves only six inches for each gallon of diesel that it burns.
26
There are 293 ways to make change for a dollar.
148