Nitrospira (image) University of Vienna Caption This is an electron microscopy image showing Nitrospira cells at 70,000x magnification. Credit Copyright: Boris Nowka and Eva Spieck, University of Hamburg Usage Restrictions The image may only be used with appropriate caption or credit. 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.