Polarstern in Arctic sea ice (IMAGE) University College London Caption German research ship Polarstern amid Arctic sea ice Credit Alfred-Wegener-Institut. Source: https://multimedia.awi.de/mosaic/#1699635434973_1 Usage Restrictions Credit must be given to the creator. License CC BY 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.