Emma and new pod host Eva talk to Berta Verd, a postdoctoral researcher from the Department of Genetics and Emily Fisk, who joined the Cambridge Science Centre as a science communicator after a PhD in microbiology. They also chat about a new artificial intelligence technology and its applications for cancer diagnosis.

Seán and Emma (well, mostly Seán) talk to Richard McKay from the Department of History and Philosophy of Science at the University of Cambridge about his book: "Patient Zero and the Making of the AIDS Epidemic". They also have a quick chat with PhD student Christina Gladkova about her paper on the structure of active PARKIN and its implications for understanding early-onset Parkinson's disease.

Seán and Emma talk to Juan Garaycoechea from the MRC Laboratory of Molecular Biology about his work on DNA damage and petrologist Victoria Honour from the Department of Earth Sciences at Cambridge University. They also discuss the curious incident of vanished North American dogs.

Seán and Emma talk to Dan Jones, host of the "Climate Scientists" podcast and physical oceanographer at the British Antarctic Survey, and bring you the second part of Ian Ostericher's interview about his PhD work in northern Mongolia. They also discuss methane emission feedback loops in freshwater lakes and whether they could have beaten an elite marathon runner aged 10.

Seán and Emma talk to archaeology PhD student Ian Ostericher and theoretical particle physicist / science comedian Fran Day. They also discuss Stone Age surgeon training on cows.

Seán and Emma chat with Liz Murchison from the Cambridge Vet School about her work on transmissible cancers, and to Alison Banwell, a glacier and climate scientist at the Scott Polar Research Institute. They also discuss pupil size and learning!

Seán and Emma talk to PhD student Tim Gregory, a finalist on the BBC's "Do you have what it takes?" programme and Dr. Lucinda Spokes about this year's Cambridge Science Festival. They also discuss tattooed mice and underground tunnels in Greenland.