<em>Halanaerobium</em> Bacteria (IMAGE) Ohio State University Caption This is an epifluorescence microscope image of Halanaerobium bacteria cells--one of the bacteria species which Ohio State researchers and their partners have discovered thriving in hydraulic fracturing wells. Credit Image by Michael Wilkins, courtesy of The Ohio State University. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.