The average temperature at 40,000 feet above sea level is -60 F.
56
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
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
Most dust particles in your house come from dead skin.
48
Iron weighs more after it rusts.
68
Diamonds can be shattered with a hammer.
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