Dr Suzannah Lipscomb is a broadcaster and Head of Faculty and Senior Lecturer in Early Modern History at New College of the Humanities.
Rebecca Rideal is an author, editor of History Vault, and a PhD candidate. Here she discusses the Great Fire of London, the subject of her book '1666: Plague, War and Hellfire'.
Dan talks to Albert Lin, who has been using LIDAR technology to reveal tens of thousands of new Mayan structures in Guatemala.
