| Dr. Alta Howells "Evidence for Hyperalkaliphilic Methanotrophy in Serpentinizing Systems, Heavy δ13CH4 is Not Necessarily Indicative of Abiotic CH4 Production"
Dr. Howells is a research associate in the Geological Sciences Department at University of Colorado, Boulder, and an affiliate of NASA Ames Research Center through the Blue Marble Space Institute of Sciences. | 