Kristian Helin, University of Copenhagen (IMAGE) University of Copenhagen Caption This is a photograph of Professor Kristian Helin. Credit Photographer Lars Svankjær Usage Restrictions Please credit Photographer Lars Svankjær 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.