News From the Field
Ancient Microbes Responsible for Breathing Life Into Ocean 'Deserts'

August 22, 2010

Billions of years ago, the Earth differed greatly from our modern environment--the ancient atmosphere contained almost no oxygen. The life-supporting atmosphere we currently enjoy did not develop overnight. On the most basic level, biological activity in the ocean shaped the oxygen concentrations in the atmosphere. Full Story

Source
Arizona State University

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