Protein receptor discovered that enables egg to be 'unlocked' by sperm to fertilise
BBC World Service
9/13 Nicholas Crane visits John o'Groats and Cruden Bay on Scotland's east coast. (R)
BBC Two except Wales
4/26 A look at the science of breeding top quality Aberdeen Angus cattle.
BBC Two Scotland only
Why do we read horoscopes?
Sam Smith meets the people whose lives and livelihoods were affected by the storms.
BBC News Channel
2/10 Is the honey badger the world's most aggressive animal?
BBC Two except Northern Ireland
Click plays the tech that can tease a tune out of anything.
Click plays the tech that can tease a tune out of anything. (R)
Y diweddaraf o'r byd ffermio gyda Dei Tomos.
BBC Radio Cymru
Helen Mark visits the cotton mills of the Derwent Valley. (R)
BBC Radio 4