TV and radio

3 July The Indispensables BBC Radio 4, 3.30 to 4pm Presenter Lynne Truss examines the revolutionary impact of everyday inventions including the baby buggy, the fax machine and the lift. She talks to designers, inventors, social historians, writers and mums-to-be about life before and after these items arrived. 5 July Take Three Girls BBC Radio 4, 11 to 11.30am Three girls aged 13 and 14 from widely different backgrounds are the best of friends. Through their audio diaries and interviewing their relatives and friends, this programme explores how they interact with each other. Fifty Years of...