The force of a suction cup is calculated using F=AP.
15
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
No matter how cold it gets, gasoline will not freeze.
107
Scientists aren't sure what color dinosaurs were.
312
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Sound travels about 4 times faster in water than in air.
408
Diamonds can be shattered with a hammer.
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