This week on Lost in Science, Claire speaks with researcher Saskia Gerhardy about her fascinating new work revealing that the critically endangered plains-wanderer has a much wider habitat than previously thought – including the discovery of a new population in South Australia.And from the archives, Chris revisits a conversation with animal reproductive biologist Jarrod McKenna, exploring the bold and controversial research that aims to bring the Tasmanian tiger back from extinction and into the wilds of Tasmania.