Dr. Arne Kappenberg (IMAGE) University of Bonn Caption vom Institut für Pflanzenwissenschaften und Ressourcenschutz (INRES) der Universität Bonn bestückt den Gaschromatographen mit Proben. Credit (c) Foto: Volker Lannert/Uni Bonn Usage Restrictions This photo may be used 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.