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
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
A quarter has 119 grooves on its edge, a dime has one less groove!
34
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
Only humans shed emotional tears.
331
The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12
If you counted 24 hours a day, it would take 31,688 years to reach one trillion!
44
More than 10% of the world's salt is used to de-ice American roads.
54