Adam Walton meets the influential plant fossil scientist Prof Dianne Edwards.
BBC Radio Wales
Adam Walton explores a Welsh initiative to create the computer programmers of the future.
What are the long-term impacts of making Anglesey an 'Energy Island'? With Adam Walton.
Is spring getting earlier? Adam Walton explores the science of nature's calendar.
Adam Walton and guests celebrate the lives of some great Welsh scientists of the past.