The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
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The oldest recorded elephant lived for 82 years.
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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.
5
The oldest living person smoked cigarettes from the age of 21 to 117.
13
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
The lifespan of mammals is about 1 and a half billion heartbeats.
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