© Alfred Wegener Institute, Stefan Hendricks Why scientists are preparing to freeze the research vessel Polarstern in sea ice near the North Pole Related postsFebruary 5, 2021“Das arktische Eis ist ein einzigartiges Ökosystem”Read morePolarstern in Arctic sea ice. 28 September 2019, Stefan HendricksJanuary 23, 2021In pictures: Following the mission to discover how the climate crisis is changing the ArcticRead moreDecember 18, 2020Scientists Braved the High Arctic to Chase Clouds on History’s Largest Polar TripRead more