The Leverhulme Research Centre for Forensic Science at the University of Dundee has expanded to test new psychoactive substances. Adam Rutherford talks to Professors Sue Black and Niamh Nic Daeid, who jointly run the Centre, about how they can keep up with the many new illegal drugs coming onto the market and about how they intend to modernise forensics.

2017 is the centenary of the publication of On Growth and Form, the book by D'Arcy Thompson that influenced many people from mathematical biologists to architects. Adam discusses the man and the book with Matthew Jarrron in the D'Arcy Thompson Museum at the University of Dundee.

Astrophysicist Sheila Rowan has been the Chief Science Adviser to the Scottish Government for just over a year. Adam asks her about the role and how she deals with controversial issues such as GM crops.

And Aaron Davis of Kew Gardens explains the impact of climate change on coffee growing in Ethiopia.