Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
It's impossible to kill yourself by holding your breath.
703
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
When withdrawing money from an ATM, the 'whirring' sound before your money pops out is actually a recording. The actual mechanism is so far back that you can't hear it.
282
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
A quarter has 119 grooves on its edge, a dime has one less groove!
34
In 21 U.S. states, WALMART is the single largest employer.
13