Professor Alan Watson has spent 40 years trying to unravel the mysteries of cosmic rays
BBC World Service Online
How the electric car is touted as one of the biggest trends at the Frankfurt Motor show
A stranger discovers an ancient tree in a lane close to the ruins of the Talley Abbey. (R)
BBC Radio Wales
Restaurants are being inspected to make sure the meat they describe as Welsh actually is.
BBC Radio 4
Brett Westwood presents the story and sound of the melodious warbler.
Cyfle i glywed rhai o bigion 'Galwad Cynnar' eto.
BBC Radio Cymru
The rise of instant noodles. Also, British men dancing like Brazilians.
Tom Heap explores how fat from waste is helping us to heal and keep warm.
4/4 Can we make it to the stars? Quirky true history with Helen Keen and Peter Serafinowicz. (R)
Thursday 26 September 2013