Adam Walton joins the team at the Conwy bird and nature reserve.
BBC Radio Wales
Kat Arney has the week's science news stories, analysis and breakthroughs.
BBC Radio 5 live
Ymunwch â Wyn Davies am hanner awr o Wyn ar Wyddoniaeth.
BBC Radio Cymru
Adam Walton visits the National Trust-run Plas Newydd on Anglesey.
Iceland bans all flights over an erupting volcano.
Carol Robinson on her journey from lab technician to professor of chemistry.
BBC Radio 4
Jim Al-Khalili in conversation with Dr Jeremy Farrar, director of the Wellcome Trust.
Jim Al-Khalili discusses earthquakes and fracking for gas with geologist Zoe Shipton.
Chris Llewellyn Smith on quarks, bosons and running the biggest experiments in history.
View all (11)