Why do big creatures live longer?

• Scientists have observed that in nature, all things scale with size in a way that is mathematically predictable.
• Similar scaling laws hold for things like growth and lifespan. As theoretical physicist Geoffrey West explains, larger mammals generally live longer because of the inverse relationship between body size and the rate at which cells are damaged.
• By having this theory of scaling laws, "you can determine what the parameters are, the knobs that you could conceivably turn to change that lifespan," says West. Instead of living to be 100 years old, humans could someday hack our cells to last for two centuries.

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Scale: The Universal Laws of Life, Growth, and Death in Organisms, Cities, and Companies

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