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The weird world of the colour blue.
BBC World Service Online
Latest from the region's rivers and reservoirs with Railton Howes.
Y diweddaraf o'r byd ffermio gyda Dei Tomos.
BBC Radio Cymru
Helen Mark finds surprising wildlife in the city of Brighton.
BBC Radio 4 FM
Charlotte Smith hears how important Christmas has become for many British food producers.
Gerallt Pennant yn ein deffro ar fore Sadwrn.
Does Loch Lomond and the Trossachs National Park's new vision erode the wilderness?
BBC Radio Scotland
Food, countryside and agricultural issues, plus business, industry reports and new tech.
BBC Radio Foyle
BBC Radio Ulster
Reaction on the conflict in Gaza and Israel, plus the latest car and gaming news.
BBC Radio 5 live
How might cities, mobile phones and humans become fossilised in years to come?
Sunday 18 November 2012