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updated 11/18/2010 11:51:32 AM ET 2010-11-18T16:51:32

Photovoltaics are often touted as potential game-changers as a source of alternative energy, but new microscopic versions of solar cells could soon be lifesavers for millions of cancer patients.

Scientists are developing new solar cell-powered cancer therapies that could -- if approved for clinical use -- make treatment faster, less painful and more effective.

© 2012 Discovery Channel

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