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Bacteria go electric

Like a household wire carries electrons from wall socket to appliance, bacteria can conduct electricity along tiny wire-like appendages, researchers report in the Oct. 11 Proceedings of the National Academy of Sciences.

A community of bacteria connected by these gangly nanowires could act as a slimy fuel cell, digesting organic matter and churning out electricity. If a wired-up community of bacteria could be coaxed into participating, the microbes might also gobble up toxic marine sediments or process sewage at waste treatment plants.

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