BBC economics editor Stephanie Flanders examines how three extraordinary thinkers, Keynes, Hayek and Marx, helped shape the 20th century

In Masters of Money, produced in partnership with the Open University, BBC economics editor Stephanie Flanders examines how three extraordinary thinkers, Keynes, Hayek and Marx, helped shape the 20th century.

According to conventional wisdom, today's global financial crisis happened because markets were not regulated enough. But what if the opposite is true?

In the last of this series produced in partnership with The Open University, BBC Economics Editor Stephanie Flanders examines one of the most revolutionary and controversial thinkers of all. Karl Marx.

Professor Jim Al-Khalili discovers the intriguing story of how we discovered the rules that drive the universe. Energy is vital to us all, but what exactly is energy?

Professor Jim Al-Khalili investigates one of the most important concepts in the world today - information. He discovers how we harnessed the power of symbols, everything from the first alphabet to the electric telegraph through to the modern digital age.

A sharp, witty, mind-expanding and exuberant foray into the world of logic with computer scientist Professor Dave Cliff. Following in the footsteps of the award-winning 'The Joy of Stats' and its sequel, 'Tails You Win - The Science of Chance', this film takes viewers on a new rollercoaster ride through philosophy, maths, science and technology- all of which, under the bonnet, run on logic.

Portrait of a key architect of the Russian Revolution, Lev Bronstein, alias Trotsky, strategist days in October 1917, assassinated in Mexico in 1940 on Stalin's orders.

Classicist Dr Michael Scott uncovers the strange, alien world of the ancient Greeks, exploring the lives of the people who gave us democracy, architecture, philosophy, language, literature and sport.

Classicist Dr Michael Scott, explores the legacies of the Ancient Greeks, what they have given us today, and asks why these legacies have lasted through time.