Plastics in various forms in the sea, and their effects on the environment, have been the subject of much research and debate. But nanoplastics - pieces so small we can't see them with the naked eye - are less well known. A research team that has investigated these particles can now conclude that plastic has been in the polar ice cap for a long time
She has researched life under the Arctic's last intact ice – a place where no one has done research before. "We will map an unknown ecosystem," says marine biologist Pauline Snoeijs Leijonmalm
