Episode guide

Horizon: 2011-2012

13 episodes · first aired Aug 8, 2011

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1 Do You See What I See? Aug 8, 2011 · 1h Documentary exploring the impact of colours on people's lives, and how perceptions of them can be influenced by age, gender and mood. The programme examines scientists' claims that…
2 Seeing Stars Aug 15, 2011 · 1h Around the world, a new generation of astronomers are hunting for the most mysterious objects in the universe. Young stars, black holes, even other forms of life. They have created a…
3 The Nine Months That Made You Aug 22, 2011 · 1h 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 you spend in the womb - could have more lasting…
4 The Core Aug 31, 2011 · 1h 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 miles beneath our feet, unlike anything we know on…
5 Are You Good or Evil? Sep 7, 2011 · 1h 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 researchers who have studied some of the most…
6 Fukushima: Is Nuclear Power Safe? Sep 14, 2011 · 1h Six months after the explosions at the Fukushima nuclear plant and the release of radiation there, Professor Jim Al-Khalili sets out to discover whether nuclear power is safe. He begins in…
7 Playing God Jan 17, 2012 · 1h Adam Rutherford meets a new creature created by American scientists, the spider-goat. It is part goat, part spider, and its milk can be used to create artificial spider's web. It is part…
8 The Truth About Exercise Feb 28, 2012 · 1h 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. He uncovers the surprising new research which…
9 Solar Storms: The Threat to Planet Earth Mar 6, 2012 · 1h Scientists are expecting a fit of violent activity on the sun which will propel billions of tonnes of superheated gas and pulses of energy towards our planet. They have the power to close…
10 Out of Control? Mar 13, 2012 · 1h 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 simply an illusion. Surprising experiments are…
11 Global Weirding Mar 27, 2012 · 1h Something weird seems to be happening to our weather - it appears to be getting more extreme. In the past few years we have shivered through two record-breaking cold winters and parts of…
12 The Truth about Fat Mar 20, 2012 · 1h Surgeon Gabriel Weston discovers the surprising truth about why so many people are piling on the pounds, and how to fight the fat epidemic. She discovers the hidden battles of hormones…
13 Defeating Cancer Apr 10, 2012 · 1h 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 follows Rosemary, Phil and Ray as they undergo…