How the Blackman Tech in Belfast helped the war effort. (R)
BBC Radio Foyle
BBC Radio Ulster
The Welsh soldiers who fought at Gallipoli have been written out of history, until now. (R)
BBC Radio Wales
3/5 Phil Coulter hears from Roger Greenaway, Peter Callander and Mitch Murray. (R)
Erika Wright explores the science of Stammering
BBC World Service
Moving story of love and the struggle to find meaning when faced with a terrible illness.
BBC Radio 4
What does laughing reveal? Famous folk explain, over Nicola Green's music.
BBC Radio 4 Extra
Is forensic evidence becoming increasingly unreliable? Linda Geddes investigates. (R)
2/2 The music, writers and buildings in New York which created the soundtrack for a generation
BBC Radio 2