Das Forschungsschiff Polarstern (IMAGE) Max Planck Institute for Marine Microbiology Caption Forschungsschiff Polarstern auf Expedition PS86 im grönländischen Eis, etwa 4000 m oberhalb der westlichen vulkanischen Zone des Gakkelrückens. Credit Alfred-Wegener-Institut / Stefanie Arndt Usage Restrictions Only to be used in the context of this publication and citing the correct copyright. 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.