It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
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
According to studies, men change their minds two to three times more often than women.
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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Research indicates that plants grow healthier when they are stroked.
173
Pumice is the only rock that floats on water.
14
Indoor pollution is 10 times more toxic than outdoor pollution.
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