Sedimentprobe (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Bildgebende Massenspektrometrie einer fünf Zentimeter langen Sedimentprobe aus dem Mittelmeer: Die Wärmekarte zeigt die räumliche Verteilung eines Alkenon-basierten Proxys für die Rekonstruktion der Meeresoberflächentemperatur. Credit Foto/©: Igor Obreht Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.