During Sampling (from the left): (image) University of Bonn Share Print E-Mail Caption Christoph Grützner (University of Jena); Benjamin Koster, Klaus Reicherter and Sascha Schneiderwind (all University of Aachen). Credit © Photo: Gösta Hoffmann/Uni Bonn Usage Restrictions This photo may be used together with the press release. Share Print E-Mail 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.