As the nation puts its clocks back an hour and beds in for the long winter nights, Sarah Moore looks at the arguments for increasing daylight hours.

Adam Walton visits Glyndwr University in Wrexham to find out about hydrocolloids. These naturally occuring substances are used widely in the food and medical industries.

Owen Money presents his own brand of music and humour.

With music and chat, advice, celebrity guests and listeners' calls.

An afternoon of live sport.

Huw Williams begins another intrepid journey along a disused railway line - from Sully to Penarth - in search of people's amazing stories.

Another chance to hear Aled Jones talking to musician, conductor and broadcaster Charles Hazlewood.

Documentary series about the history of digging for slate in Wales. In the first episode, Rhun ap Iorwerth examines how life was for the quarrymen and their families.

A vibrant new take on the current Welsh music scene. Live sessions, essential interviews and a mix of classic rock and pop - all with a unique Welsh perspective.

Frank Hennessy presents the best in folk and acoustic music from the Celtic nations and around the world. With guests, live sessions, reviews of releases and the Welsh gig guide.

Beverley Humphreys introduces a selection of well-loved songs from stage and screen.

Chris picks out his favourite moments from past shows in the Friendly Garden.

BBC Radio Wales joins the BBC World Service for a selection of news and current affairs, science and arts programmes to take you through the night.