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
Nearly 50% of the world's scientists are assigned to military projects.
71
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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