Scientists have discovered how a particular type of bacteria transfers electricity, a finding that they say will help them develop fully biological batteries. Scientists previously knew that the bacteria, shewanella oneidensis, attaches to rusty iron and other materials and breaks them down, transferring electrons in the process. But researchers weren't sure just how the bacteria managed to do this, so they created a synthetic version in the lab and tested it against iron.
via The Verge - All Posts http://www.theverge.com/2013/3/26/4148670/scientists-discover-how-water-bacteria-transfers-electricity
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