Horizon (1964)

Documentary exploring the impact of colours on people's lives, and how perceptions of them can be influenced by age, gender and mood. The p…

Around the world, a new generation of astronomers are hunting for the most mysterious objects in the universe. Young stars, black holes, ev…

Horizon explores the secrets of what makes a long, healthy and happy life. It turns out that a time you can't remember - the nine months yo…

For centuries we have dreamt of reaching the centre of the Earth. Now scientists are uncovering a bizarre and alien world that lies 4,000 m…

What makes us good or evil? It's a simple but deeply unsettling question. One that scientists are now starting to answer. Horizon meets the…

Six months after the explosions at the Fukushima nuclear plant and the release of radiation there, Professor Jim Al-Khalili sets out to dis…

Adam Rutherford meets a new creature created by American scientists, the spider-goat. It is part goat, part spider, and its milk can be use…

Like many, Michael Mosley want to get fitter and healthier but can't face hours on the treadmill or trips to the gym. Help may be at hand.…

Scientists are expecting a fit of violent activity on the sun which will propel billions of tonnes of superheated gas and pulses of energy…

We all like to think we are in control of our lives - of what we feel and what we think. But scientists are now discovering this is often s…

Something weird seems to be happening to our weather - it appears to be getting more extreme. In the past few years we have shivered throug…

Surgeon Gabriel Weston discovers the surprising truth about why so many people are piling on the pounds, and how to fight the fat epidemic.…

Over the past year, Horizon has been behind the scenes at one of Britain's leading cancer hospitals, the Royal Marsden in London. The film…