Diamonds mined in Brazil are harder than those found in Africa.
40
A jiffy is an actual unit of time for 1/100th of a second. Thus the saying, I will be there in a jiffy.
57
Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
79
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
If you get water flowing fast enough, it can cut metal.
354
On average, the life span of an American dollar bill is eighteen months.
33
The chills you sometimes feel when listening to music is called "musical frisson."
18
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63