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Adam Walton joins a major conference in north Wales showcasing new materials research.
BBC Radio Wales
Chris Sperring searches for one of the most abundant mammals in the UK, the vole.
BBC Radio 4
Lambing at Llyndy Isaf Farm.
Kate Humble presents the little grebe. (R)
BBC Somerset's weekly look at rural news, countryside issues, wildlife and local events.
Mark Stephen and Euan McIlwraith with the latest outdoor activities. (R)
BBC Radio Scotland
An oil bonanza could be on the cards for Ireland, but who will benefit and at what cost? (R)
BBC Radio Foyle
BBC Radio Ulster
How the male Y Chromosome evolved
BBC World Service Online
Answering questions from everyday chemistry to quantum physics.
BBC Radio Cambridgeshire
Laurie Taylor looks at academic research shortlisted for our new annual ethnography award. (R)
Can we make biofuels from the sugars in the inedible parts of plants?
Does luck exist and does believing in luck help or hinder us in life?
Scientists decode the genome of the fly that spreads sleeping sickness
Monday 28 April 2014