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August 13, 2010

Leaf aphid, from Wikipedia

Mouthwash saves lives

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Coating a piece of semiconductor material with a thin layer of the metal cesium allows both light and heat to be used to generate electricity. Photo: Stanford University

An innovative process for converting solar energy

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Do sea-floor bacteria make their own electric grids? Credit: Nils Risgaard-Petersen

Do sea-floor bacteria produce their own electric grids?

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