We are on board in a MOSAiC expedition on Polarstern ship that is frozen into arctic sea ice and follows its drift while hundreds of scientists from 19 countries are performing measurements of Artic environment. PhD student Lauriane Quéléver was on board from September to January. Three of our experts will still join the expedition: Research coordinator Tuija Jokinen, PhD student Zoé Brasseur and PhD student Tiia Laurila. Read more in Finnish here.