A butterfly flutters its fragile wings in Texas and the seemingly imperceptible turbulence sets in motion a cascade of effects that culminates in a typhoon in Indonesia. It seems unreal. But the realisation of the butterfly effect as it has been called, is one of the astonishing results of the new science of Chaos.

Using rare archive footage and exclusive interviews, this series takes you to the heart of a war that was fought far from the bombs and shells of any battlefront. A war that involved the brilliant skills of mathematicians and chess players. Revealed here are the remarkable exploits of American and British code-breakers and their immense contribution to victory in during WWII.

Take to the skies with the Royal Air Force to learn how fighter pilots heroically defended the UK against the Luftwaffe in the Battle of Britain.

The determined designer of the Spitfire shepherds it from initial rejection by the RAF to becoming the symbol of Britain's pride and power in WW2.

Remarkable archival footage illuminates 75 years of British aviation history, tracing the evolving path from war planes to supersonic commercial jets.

A classic Movietone cinema short from 1978. The Romney Hythe and Dymchurch Railway is a one-third scale mainline in miniature operating regular services over 13.5 miles of track across the Romney Marsh in Kent.

Only a few years ago the business of growing and selling high quality wines was tightly controlled by just a handful of countries. This unique program traces the extraordinary way in which the art of European wine making was distilled and transplanted across the world so successfully, that the new generation of wine makers now regularly beat their European parents to the top world prizes.