On the show: - How our four-legged friends use their sense of smell to chart neighbourhood scents in The Pee Cartographer (produced by Rhys McGowan) - Uncovering the mysteries of the brain, an Interview with Dr Steve Kaseem, Neuroscience Research Australia (produced by Ellice Mol) - A travel guide to Indigenous Australia, an interview with with Professor Marcia Langton (produced by Rhys McGowan and Ellice Mol) - Biohacking the genes we're born with (produced by Sarah Matthews) - and the tweet that got the attention of Bill Nye, The Science Guy (produced by Andrew Katsis)