Larissa Savvas reports on nerve regeneration, Ian Woolf speaks with Dr Maia Sauren about mobile phone safety, Julie-Anne Popple asks Melissa Slarp about teaching kindergarten science, Ian Woolf spoke with Geoff MacIntyre about DNA reading chips at the NICTA techfest. A Little Bit, by MJ Hibbert and the Validators Produced and Presented by Ian Woolf, with technical support from Julie-Anne Popple