A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Iron weighs more after it rusts.
16
A cesium atom in an atomic clock beats over nine billion times a second.
43
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
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Balsa wood is classified as a hard wood!
41
The bark of an older redwood tree is fireproof.
65