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

Sailor and writer Tom Cunliffe sails a perfectly restored Bristol Channel pilot cutter, considered by many to be the finest sailing boat design ever. Show more

Documentary series. A look at southern Thailand, known for its natural beauty. For the animals that live here, this is a natural wonderland. Show more

Richard Clay explores utopian visions for a better world - from radical politics to online communities - and asks if they can inspire real change. Show more

Veteran presenter Johnny Ball looks back over the 45 years that Horizon, and he, have been on air to find out what science has learned about how and why we grow old. Show more

David takes us on a journey that explores how the brain, locked in silence and darkness without direct access to it, conjures up the world we all take for granted. Show more

How Bernard Lovell's telescope was used by both the Americans and the Russians to track their competing spacecraft and put Britain at the forefront of radio astronomy. Show more

Documentary series. A look at southern Thailand, known for its natural beauty. For the animals that live here, this is a natural wonderland. Show more

Veteran presenter Johnny Ball looks back over the 45 years that Horizon, and he, have been on air to find out what science has learned about how and why we grow old. Show more

Richard Clay explores utopian visions for a better world - from radical politics to online communities - and asks if they can inspire real change. Show more