Historian Martin Thomas discusses the 1948 Arnhem Land expedition and the controversy that surrounds it. His new documentary, Etched in Bone, which he co-directed with Beatrice Bijon, traces the events of the expedition and its effects upon the aboriginal communities of Northern Australia.

Cole Kelleher talks about his work for the Polar Geospatial Center at the University of Minnesota, an agency that uses satellite data to make cutting-edge maps for the support of polar scientists in the field.

Broadcast journalist Jolene Laverty interviews me for ABC Radio Canberra. We talk about my exploration research, podcast, and recent work at Australian National University. Special thanks to ABC Radio Canberra for permission to post this interview.

Sean Cocco talks about the 1631 eruption of Vesuvius and its impact on Renaissance science and culture. Cocco is an associate professor of history at Trinity College. He is the author of Watching Vesuvius: A History of Science and Culture in Early Modern Italy.

Dr Joy McCann discusses the great circumpolar ocean that surrounds Antarctica. McCann is the author of Wild Sea: A History of the Southern Ocean. She is a historian at the Centre for Environmental History at Australian National University.