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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Cold water weighs more than hot water.
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Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
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Sound travels about 4 times faster in water than in air.
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Sound at the right vibration can bore holes through a solid object.
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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!
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Hot water can freeze faster than cold water.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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