Dr. Hendrik W. Ohnesorge (IMAGE) University of Bonn Caption vom Center for Global Studies (CGS) der Universität Bonn. Credit (c) Foto: Barbara Frommann/Uni Bonn Usage Restrictions This image may be used together with the press release. 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.