A 'jiffy' is an actual unit of time for 1/100th of a second!
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Pumice is the only rock that floats on water.
14
The smell of freshly cut grass is actually a plant distress call.
31
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
A cesium atom in an atomic clock beats over nine billion times a second.
43
Scientists are now able to grow 'beating' heart tissue in a lab!
162