Researchers have found a group of microbes living 2 miles beneath Earth's surface and have sequenced their genome. They are believed to derive their energy from carbon monoxide. The analysis offers new insight into the life of microorganisms similar to some of the earliest life forms on Earth.

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Researchers have found a group of microbes living 2 miles beneath Earth's surface and have sequenced their genome. They are believed to derive their energy from carbon monoxide. The analysis offers new insight into the life of microorganisms similar to some of the earliest life forms on Earth.