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On the Origin of Photosynthesis

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Science  06 Mar 2009:
Vol. 323, Issue 5919, pp. 1286-1287
DOI: 10.1126/science.323.5919.1286

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Summary

Where would we be without photosynthesis? In the third essay in Science's series in honor of the Year of Darwin, Mitch Leslie details researchers' efforts to piece together how and when organisms first began to harness light's energy.