In-Situ Pumps (IMAGE) Max Planck Institute for Marine Microbiology Caption Algae samples from deeper water of the Arctic ocean layers were gained by using these in-situ-pumps. Credit Max Planck Institute for Marine Microbiology/S. Becker Usage Restrictions Only to be used in the context of this publication and citing the right 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.