Should babies under two watch TV? Developmental psychologist, Annette Karmiloff-Smith, discusses how with the right subject matter a TV screen can be better for a baby than a book.
Jim Al-Khalili talks to Amoret Whitaker, one of only a handful of forensic entomologists in the UK, about how her detailed knowledge of insects helps the Police solve crimes.
As the NASA robot, Curiosity, starts to analyse rocks from the Martian surface, Jim al-Khalili and Monica Grady discuss whether the evidence for life on Mars will ever add up.
Jim Al-Khalili meets Professor Sunetra Gupta a novelist and a scientist who studies infectious diseases and says a mathematical equation can be as beautiful as a Keats poem