Features journalist Barbara Demick talking to Ramona Koval about life, love and death in North Korea. Amanda Barnard from the CSIRO's Virtual Nanoscience Laboratory on what diamonds might have to do with a cure for cancer. Biologists Richard Kingsford and David Paton tell us how the once mighty Murray Darling River system is faring. Tim Jackson discusses how we might achieve prosperity without growth at the Deakin lectures
