Adam Walton and guests illuminate the science of light.
BBC Radio Wales
Adam Walton travels the South Wales valleys with geologist and writer Ted Nield.
Jealous dogs, beef off the menu, mammoth comeback, and ancient bacteria and moss regrown.
BBC Radio 5 live
Carol Robinson on her journey from lab technician to professor of chemistry.
BBC Radio 4
Adam Walton previews the Wrexham Science Festival.
A monitor from the OSCE says bodies are being moved from the crash site of MH17 in Ukraine
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.
Botanist Sandy Knapp talks about her adventures collecting plants in South America.
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