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.
12
The lifespan of mammals is about 1 and a half billion heartbeats.
127
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
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!
2
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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