The horsemen of the title are those of the Apocalypse, the terrifying outriders of war, pestilence, famine and death. Dr Mayhew considers developments in several fields to argue that we are pushing back successfully these dreadful tides. It's a gripping, lively narrative that is surprisingly uplifting. We wish we could take credit for the inspired choice of introductory music for this podcast but, in this case, those laurels must go to Emily herself. 

Edited by Magnus Rena 

Music: Denis King, Black Beauty Theme (Galloping Home)