The lifespan of mammals is about 1 and a half billion heartbeats.
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The oldest living person smoked cigarettes from the age of 21 to 117.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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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 recorded elephant lived for 82 years.
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