Polarstern in Arctic sea ice (IMAGE) University College London Caption The research vessel Polarstern drifting in Arctic sea ice. Source: MOSAiC website image library https://multimedia.awi.de/mosaic/ Credit Alfred-Wegener-Institut Usage Restrictions Only with credit and link to MOSAiC image gallery 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.