What is embarrassment, why do we feel it and is it a good thing? Mike Williams finds out
BBC World Service
Jeremy Grange visits Bangor University's School of Biological Sciences. (R)
BBC Radio Wales
Chris Sperring is in Somerset during the last days of summer, listening for nightjars.
BBC Radio 4
Exploring Natural Resources Wales, the value of food festivals and a long lost wheat crop.
Miranda Krestovnikoff presents the world's most numerous bird, the red-billed quelea. (R)
BBC Somerset's weekly look at rural news, countryside issues, wildlife and local events.
Mark Stephen and Euan McIlwraith with a special programme from Shetland. (R)
BBC Radio Scotland
Paralysed man walks again after cell transplant
Answering questions from everyday chemistry to quantum physics.
BBC Radio Cambridgeshire
Chris Smith and Kat Arney look at diabetes research and cheap tests for infections. (R)
BBC Radio 5 live
Laurie explores the lives of the producers of some of the most expensive tea in the world. (R)
In a new programme Angela Saini asks is there a price to pay for the cheap food we eat?
Judge Khalida Rachid Khan and Justice Mandisa Maya on prejudice, sexism and staying sane