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Uploaded on Dec 7, 2010
A scientific presentation by U.S. Geological Survey research hydrologist Dr. Ronald Oremland about the role of arsenic in microbial life and the microbial ecology of California's Mono Lake. Oremland is a senior scientist with the USGS Water Resources Division in Menlo Park, Calif., and a principal investigator with NASA's Exobiology and Evolutionary Biology Program, an element of NASA's Astrobiology Program. He is a co-author of the paper on arsenic findings published last week in Science Express and announced during the Dec. 2 NASA press conference.