Bacteria Respirating (IMAGE) Virginia Tech Caption A bacterial cell is respirating using mineral nanoparticles, since there is no oxygen around. Credit Saumyaditya Bose, a 2006 PhD graduate of geosciences, Virginia Tech Usage Restrictions Coverage of research by Michael Hochella's group at Virginia Tech 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.