Science
‘Zombie’ Microbes Redefine Life’s Energy Limits – Quanta Magazine
A new model shows that the denizens of a vast, ancient biome beneath the seafloor use barely enough energy to stay alive — and broadens understanding of what life can look like.
Energy drives the planet; its the currency that all living things use to grow, develop and function. But just how little energy do cells need to get by? Sediment-dwelling microbes below the seafloor which may outnumber the microbial cells found in the oceans themselves are providing some surprising answers. The organisms not only challenge what scientists thought they knew about lifes energy needs, but hint at new ways of defining what life is and where we might find it.
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