‘It looks like Iron Curtain 2.’ Arctic research with Russia curtailed after Ukraine invasion | Science

This year, polar bears will cross from Alaska to Siberia as they do every spring, plodding across the frozen Chukchi Sea to their summer home on Russia’s Wrangel Island. But this time, U.S. scientists won’t be following them. “There’s no way,” says Eric Regehr, a University of Washington (UW), Seattle, polar bear biologist who was … Read more