Historian Professor Jenny Hocking talks about her Griffith Review piece Relics of Colonialism in which she discusses the dismissal of the Whitlam government; Sports journalist Sam Lane chats about her new book ROAR: The Incredible Stories Behind The AFLW; Dr Jen talks about the overview effect in "Weird Science", the shift in awareness astronauts have when they see the Earth; Sarah talks about her dare to call her electricity company for a better deal and Valentine's Day advice, and the team talk about "tramping", taking a walk through the forest for health benefits. With Sarah Smith, Jeff Sparrow, and Geraldine Hickey.