Iron-Eating Bacteria: Coming Soon to a Hard Drive Near You?

Today's hard drives may be smaller, faster, cheaper and more capacious than their predecessors, but the need for ever-tinier components is making it difficult to keep improving them. Therein lies at least part of the motivation behind biocomputing -- in which microscopic biological molecules are being recruited to play a role -- and recently scientists have identified a fresh new possibility in this area.

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