Evolution of Nitrogen Fixation Evolution of Nitrogen Fixationv. 295No. 5556798–799Towe, Kenneth M., Berman-Frank, Ilana, and Falkowski, Paul. 2002. "Evolution of Nitrogen Fixation." Science, 295, (5556) 798–799.More...ID: 73686Type: articleKeywords: NH-Paleobiology; NMNH