Tom Holland considers historical revelations with a resonance today. He's joined by two archaeologists - Professor Carenza Lewis from the University of Lincoln and David Miles, the former Director of Archaeology and Chief Archaeologist at English Heritage.

As combine harvesters tear into Britain's corn crops, David Miles takes us back to the birth of farming and the transformational period that was the Neolithic.

Iszi Lawrence changes into her running gear to recreate the Battle of Marathon - in Salford. Can historians and sports' scientists work together to solve a mystery surrounding this famous victory of the Greeks over the Persians which continues to puzzle historians?

Think British steel and its places such as Middlesborough, Sheffield and Port Talbot that come to mind. So why is Helen Castor in Clerkenwell? Professors Chris Evans and David Green give her a guided tour of one of Britain's earliest and most important centres of steel production.

And Professor Simon Schaffer at the University of Cambridge tells us why the Danish scientist Hans Christian Oersted should really be on the People's Plinth.

Producer Nick Patrick