Winter conditions complicate research (IMAGE) Norwegian University of Science and Technology Caption It’s not easy studying the Arctic during the dark of the polar night. The Nansen Legacy project aims to shed light on the physical, chemical and biological processes in the Barents Sea across all four seasons. Credit Photo: Stephen Kohler 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.