Instant Genius is a bite-sized masterclass in podcast form. In this episode, we're joined by microbiologist Dr Arwyn Edwards of Aberystwyth University to talk about so-called ‘zombie viruses’ beneath the ice of Earth's melting polar regions.

Could these hidden microbes spark an epidemic? Or could the real threat be something much more surprising?

Find Instant Genius on your preferred podcast platform here: instantgenius.podlink.to/Podcast

Listen to more episodes of Instant Genius:

Authors

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.