As winter approaches, we take a trip down south to look at some of the cool research going on in Antarctica. Jane Francis talks about six-foot penguins and a time when Antarctica was warm and ice-free, Kate Hendry describes what it is like to work in Antarctica today, and Derek and Dave bring a welcome injection of heat as they find out how hand warmers work. We then dive into the waters around Antarctica with Povl Abrahamsen, who uses automated subs to look under the ice sheets and find out how they are changing, and Mike Fedak describes how his team have attached data collection instruments... Like this podcast? Please help us by supporting the Naked Scientists)