Three top academics, three dangerous ideas and your host, comedian Susan Morrison. Dr Kasey McCall-Smith (The University of Edinburgh) shares her experiences watching the trial of the men charged with orchestrating 9/11 and asks if it matters that they were tortured. Dr Kat Rezai (Edinburgh Napier University) asks if Instagrams #loveyourself trends actually promote #selfloathe. And Rayya Ghul (The University of Edinburgh) shares how to feel better, hopeful and more capable by shifting focus away from well being and self-improvement.