It's electric: Cows show promise as powerplants

A new study suggests that some of the microorganisms found in cow waste may provide a reliable source of electricity.

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<p><a href="http://www.physorg.com/news6141.html">It's electric: Cows show promise as powerplants</a></p> <p>A new study suggests that some of the microorganisms found in cow waste may provide a reliable source of electricity.</p>