How much can a burial really tell us about our ancient past? Professor Alice Roberts is today's guest and, as her new book Ancestors demonstrates, old bones can speak to us across the centuries. Using new ancient DNA analysis techniques archaeologists are now able to uncover an unprecedented level of detail about the lives of our ancestors. Where they came from, what they ate, how they lived, what killed them and what their burials really mean. This is the story of unlocking the past of ancient Britain.