Mike Williams peers into the world of black and asks why it has so many different meanings
BBC World Service
Y diweddaraf o'r byd ffermio gyda Dei Tomos.
BBC Radio Cymru
1/6 Clare Balding walks for self improvement, joining a walking book group in North London.
BBC Radio 4 FM only
Charlotte Smith looks at the case for compensating landowners for High-Speed Rail plans.
Gerallt Pennant yn ein deffro ar fore Sadwrn.
Out of Doors asks what effect the growing wild boar population will have on Fort William.
BBC Radio Scotland
Food, countryside and agricultural issues, plus business, industry reports and new tech.
BBC Radio Foyle
BBC Radio Ulster
Chris Smith with news, including Findus taking legal action over horse meat.
BBC Radio 5 live
Frolicking fossils and suggestive theories - the evolutionary history of sex
Sunday 10 February 2013