Instant Genius is a bite-sized masterclass in podcast form. In this week's episode, we talk to David Gibson, a professor of plant biology.

He talks about forensic botany - the study of plants to help solve crimes - and lists a number of real-life cases involving fungi, plants and algae.

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Daniel BennettEditor, BBC Science Focus

Daniel Bennett is the Editor of BBC Science Focus. He is an award-winning journalist who’s been reporting on science and technology for over a decade, writing about the science of serials killers, sandwiches, supernovae and almost everything in between.