(IMAGE) Martin-Luther-Universität Halle-Wittenberg Caption The new material Credit Uni Halle / Marian Sorge Usage Restrictions Use for covering the research by Marske et al 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.