Why have we forgotten Fritz Haber?
BBC World Service Online
Y diweddaraf o'r byd ffermio gyda Dei Tomos.
BBC Radio Cymru
Helen Mark visits the ancient fishing community in Hastings, down on the shingle beach.
BBC Radio 4
From GM to robots to mega-farms - does farming need to change? Charlotte Smith reports.
Gerallt Pennant yn ein deffro ar fore Sadwrn.
Part two of a series following the trail of Robert Louis Stevenson's Kidnapped.
BBC Radio Scotland
Food, countryside and agricultural issues, plus business, industry reports and new tech.
BBC Radio Foyle
BBC Radio Ulster
How pranksters can convince Facebook you have died, OLED TVs and fitness apps.
BBC Radio 5 live
Jim Al-Khalili meets chemist and science showman Andrea Sella.
Sunday 6 January 2013