Bo Barker Jorgensen, Aarhus University (IMAGE) Aarhus University Caption This is professor Bo Barker Jørgensen, Head of Center for Geomicrobiology, Aarhus University, Denmark. Credit Photo: Lars Kruse, Aarhus 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.