1/3 Material scientist Dr Mark Miodownik investigates why size matters in animal behaviour. (R)
1/3 How pioneers unlocked electricity's mysteries and built strange instruments to create it. (R)
A labourer with learning difficulties falls for a woman 20 years his senior.
Mark Lawson talks to actress Zoe Wanamaker about her life and career.
Profile of the writer whose classic songs continue to influence modern music. (R)
A variety of artists perform the work of songwriting team Burt Bacharach and Hal David. (R)
Monday 30 April 2012