Permafrost's Turn of the Microbes

As the Arctic warms, tons of carbon locked away in Arctic tundra will be transformed into the powerful greenhouse gases carbon dioxide and methane, but scientists know little about how that transition takes place. In a study appearing in today's issue of Nature, scientists looking at microbes in different types of Arctic soil have a new picture of life in permafrost that reveals entirely new species and hints that subzero microbes might be active.

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