Dr Kieren Mitchell joins us for a conversation delving deepinto ancient DNA, from it's technical challenges to how it's helping us understand Australia's extinct megafauna. Hosted by Bradely Bianco and featuring Dr Kieren Mitchell. Follow Kieren's research through the Australian Centre for Ancient DNA: @ACAD_Adelaide on Twitter, and @ACAD.Adelaide on Facebook.Produced by Christopher Jolly and Myall Tarran; promoted by Adam Toomes; intro music by Darcy Whittaker; and support from the Biology Society of South Australia.