This week's edition looks at the new device that can detect unexploded bombs even when buried 15 metres underground and the electronic implant that improves treatment for people suffering from depression. Presented by Philippa Forrester and Peter Snow. Producer David Johnson ; Editor Saul Nasse
Repeated next Wednesday with sign language (S) (W) FURTHER INFORMATION: Ceefax page 623; www.bbc.co.uk/tw