(IMAGE) Friedrich-Schiller-Universitaet Jena Caption Rossella Gamba, PhD student at the german University of Jena, is first author of the publication. Credit (Image: Anne Günther/University of Jena) Usage Restrictions The image can be used free of charge in connection with this press release. License Original 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.