Signs of life on Mars, young thinkers live longer, deadly cartoons and mass extinctions.
BBC Radio 5 live
Y diweddaraf o'r byd ffermio gyda Dei Tomos.
BBC Radio Cymru
Caz Graham visits Castle Howard, where Christmas tree sales are in full swing. (R)
BBC Radio 4
How EU fishing quotas will effect UK coastal industry.
Gerallt Pennant yn ein deffro ar fore Sadwrn.
Including news of a scheme set up to attract young people to farming and rural industries.
BBC Radio Scotland
Food, countryside and agricultural issues, focusing on business, industry and technology.
BBC Radio Foyle
BBC Radio Ulster
Why do we use perfume and what does it say about us?
BBC World Service