BBC World Service: The Forum

Discover world history, culture and ideas with today's leading experts.

Inside the mind of Leonardo da Vinci

Napoleon: From Empire to Exile

Moomin creator Tove Jansson

Chess: a chequered history

The spice trade: selling the scents of luxury

Anaesthesia: unwrapping oblivion

The Top of the World

The Heel and the Sneaker

Frida Kahlo: A Life in Colour