of the polar bears. i'm joined now by dr uli of the gary music scientific coordinator dr gary thanks for joining us so how has the coronavirus pandemic affected this mission. demick effected the mission quite a lot because the exchange we are having now between length 3 and 4 were actually 2 beginning of april so now this had to be shifted to beginning of june and we were supposed to fly in airplanes and everything was actually set up to start here from start about where we are actually having the exchange time now and of course it was crucial that blast and could stay in the ice but now also. to leave the position on the flow and come to meet us here in a few but to exchange people and then go back to the flow once all the operations are. now because of the current of our spending a lot of us have had our 1st experiences with isolation but what is it like to spend that much time in isolation doing a scientific mission it is a tell and to time it's a challenging task especially you're living here with a like 60 scientists and crew members on board of the lesser sole space that's really limited and it's ac