<i>Metallosphaera sedula</i> (1 of 3) (IMAGE) University of Vienna Caption This is biotransformed synthetic Martian Regolith after Metallosphaera sedula cultivation. Credit Copyright: Tetyana Milojevic Usage Restrictions The image may only be used with appropriate caption or credit. 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.