The force of a suction cup is calculated using F=AP.
15
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Sound travels about 4 times faster in water than in air.
408
The average home creates more pollution than does the average car.
33
One barrel of petroleum holds 42 gallons.
20
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Indoor pollution is 10 times more toxic than outdoor pollution.
62
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