The oldest living person smoked cigarettes from the age of 21 to 117.
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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 oldest recorded elephant lived for 82 years.
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Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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