Dr Helen Farr is leading a team looking at prehistoric wrecks in the Black Sea. Dan chats to her about how the Black Sea's anaerobic waters have preserved ancient ships for many centuries, including a Greek ship very similar to one on an urn in the British Library.
In this special emergency episode, Marina Amaral talks to us from Brazil about her reaction to the devastating fire at the Museo Nacional in Rio.
In this episode, Dan talks to David Gilmour about the British in India. David Gilmour's new book is a vast exploration of the social history of India. David Gilmour is a Fellow of the Royal Society of Literature.
We revisit Dan's interview with Peter Snow to celebrate the anniversary of the Battle of Waterloo, and learn more about this conflict which changed the face of Europe. Producer: Peter Curry