Oxygen 'oases' led to all life on Earth
Monday, August 23, 2010 - 19:21
in Earth & Climate
TEMPE, Ariz., Aug. 23 (UPI) -- The presence of oxygen in Earth's atmosphere came from ancient microbes inhabiting "oxygen oases" in the oceans billions of years ago, U.S. researchers say. Earth - Oxygen - Atmosphere of Earth - Microorganism - earth science