The latest national and international news, exploring the day's events from a global perspective.

The story of the River Taff. Will Millard travels from its source in the Brecon Beacons National Park to Merthyr Tydfil, and fishes for wild brown trout in an unlikely location. Show more

Documentary exploring the paradise of Thailand. In central Thailand's forests, plains and city streets, nature finds a way of living alongside people. Show more

Can utopian visions for living ever reconcile the tension between the group and the individual, the rules and the desire to break free? Show more

This World examines the astonishing story of a bitter family feud, secret agents and international arms dealing, as they lift the lid on why Kim Jong-nam was assassinated. Show more

David explores how the brain conjures up the world we take for granted. This episode shows how the brain gives rise to thoughts, emotions, memories and personality. Show more

From the midst of prehistory to a bunker beneath the Bank of England, Dr James Fox reveals how golden treasures reflect everything that has been held as sacred. Show more

Documentary exploring the paradise of Thailand. In central Thailand's forests, plains and city streets, nature finds a way of living alongside people. Show more

This World examines the astonishing story of a bitter family feud, secret agents and international arms dealing, as they lift the lid on why Kim Jong-nam was assassinated. Show more

Can utopian visions for living ever reconcile the tension between the group and the individual, the rules and the desire to break free? Show more