Three top academics, three dangerous ideas and your host, comedian Susan Morrison. Dr Derek Ball (University of Aberdeen) reveals the murky world of doping in elite sport and asks if the spectators really want it any other way. Dr Nina Morris (The University of Edinburgh) wants to see more kids playing outside and connecting with nature. And Dr Sarah-Jane Judge (The University of Edinburgh) thinks kids are better off in the classroom rather than wasting their parents money on school trips.