Stewart Henderson continues his sparkling series of Questions Questions - the programme which offers answers to those intriguing questions of everyday life, inspired by current events and popular culture. Each programme is compiled directly from the well-informed and inquisitive Radio 4 audience, who bring their unrivalled collective brain to bear on these puzzlers every week. How do woodpeckers keep their beaks sharp? How do you know if a volcano is extinct? This is the programme which answers listener questions on just about everything. Email: [email protected] Tel: 03700 100400 Or you can reach us online via our Radio 4 message board. Producer: Kevin Dawson A Whistledown production for BBC Radio 4.