Geneticist, author and broadcaster Dr Adam Rutherford returned to the Book Shambles studio just weeks before lockdown to talk about his latest book How to Argue with a Racist with Robin Ince. They chat about the history of race and racism, the science of race and whether race should be viewed as biological or social construct. Support the podcast at patreon.com/bookshambles to get extended editions of each episode exclusive to Patreon pledgers. There's bonus tales of bears and otters for you this week...