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.
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At room temperature, the average air molecule travels at the speed of a rifle bullet.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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Most dust particles in your house are made from dead skin!
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