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 only letter not appearing on the Periodic Table is the letter "J".
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Sound travels about 4 times faster in water than in air.
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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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Diamonds can be shattered with a hammer.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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If the chemical sodium is dropped into water it will immediately and violently explode.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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