Our latest Day to Day podcast discusses those lovely swirls you see on the ocean surface – but what are they exactly? Episode three will answer this question and more as we return to the seas to discuss “Eddies: the swirling engine of our oceans” with host Mark Higgins and guests, Hayley Evers-King (Marine Applications Expert at EUMETSAT) and Aida Alvera Azcarate (Ocean Remote Sensing Researcher at the University of Liège).