A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
No matter how cold it gets, gasoline will not freeze.
107
Nylon is made from coal and petroleum.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Iron weighs more after it rusts.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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