Indoor pollution is 10 times more toxic than outdoor pollution.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
66
A cubic yard of air weighs about 2 pounds at sea level.
31
Balsa wood is classified as a hard wood!
41
Nearly 50% of the world's scientists are assigned to military projects.
71
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
Most dust particles in your house are made from dead skin!
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