Laurie Taylor explores the risk-taking experiences of young British tourists in Ibiza. (R)
BBC Radio 4
How deep brain stimulation is treating Parkinson's and depression
BBC World Service Online
Sad music has become more popular according to a recent study. Why do people listen to it?
Rachael Garside looks at the mixed picture for organic production in Wales.
BBC Radio Wales
Good news for wool producers - prices are up by a third. With Charlotte Smith.
Brett Westwood presents the story and sound of the bluethroat.
How robust is GPS and what are the consequences of the system's weaknesses?
Does human population increase mean more disease for wild and domestic animals and plants? (R)
Matthew Sweet examines the zoo as a cultural institution
BBC Radio 3
Tuesday 24 September 2013