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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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
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If the chemical sodium is dropped into water it will immediately and violently explode.
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Hot water can freeze faster than cold water.
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According to studies, men change their minds two to three times more often than women.
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