Microbe makes hydrogen out of air

Publication: Cosmic Log on MSNBC.com   Date: December 15, 2010   View Article

An ocean microbe may open a new frontier in the search for clean, renewable energy: In a sense, it makes hydrogen — a clean-burning fuel — out of the air.

The bug, a cyanobacterium called Cyanothece 51142, performs photosynthesis during the day and fixes nitrogen at night. Hydrogen is a byproduct of the nitrogen fixation process. And when you burn hydrogen, the main byproduct is water.

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