Dan chats to Volker Wiedermann, a German writer and literary critic, about the Bavarian Soviet Republic. The Republic, established in the aftermath of the First World War, was an unlikely formation and was quickly attacked from all sides, especially as it tried to propagate radical ideas about government.
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.