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Season 2011
2011x1
What is One Degree?
Episode overview
Air date
Jan 10, 2011
Comedian Ben Miller returns to his roots as a physicist to try to answer a deceptively simple question: what is one degree of temperature? His quest takes him to the frontiers of .. show full overview
2011x2
What is Reality?
Episode overview
Air date
Jan 17, 2011
There is a strange and mysterious world that surrounds us, a world largely hidden from our senses. The quest to explain the true nature of reality is one of the great scientific .. show full overview
2011x3
Science Under Attack
Episode overview
Air date
Jan 24, 2011
Nobel Prize winner Sir Paul Nurse examines why science appears to be under attack, and why public trust in key scientific theories has been eroded - from the theory that man-made climate .. show full overview
2011x4
The Secret World of Pain
Episode overview
Air date
Jan 31, 2011
Horizon reveals the latest research into one of the most mysterious and common human experiences - pain. Breakthroughs have come from studying a remarkable woman in London who has .. show full overview
2011x5
Surviving a Car Crash
Episode overview
Air date
Feb 07, 2011
Horizon meets the scientists working to make fatal car crashes a thing of the past. A remarkable fusion of mechanical engineering and biology promises to save countless lives across the .. show full overview
2011x6
How to Mend a Broken Heart
Episode overview
Air date
Feb 14, 2011
Dr Kevin Fong finds out how close scientists are to being able to mend your heart if it stops working. He meets some of the people who have undergone pioneering heart operations and the .. show full overview
2011x7
Are We Still Evolving?
Episode overview
Air date
Mar 01, 2011
Dr Alice Roberts asks one of the great questions about our species: are we still evolving? There's no doubt that we're a product of millions of years of evolution. But thanks to modern .. show full overview
2011x8
Predators in Your Backyard
Episode overview
Air date
Mar 08, 2011
Across the world scientists are releasing predators, nature's ultimate killers, close to where people live. In Florida, a new population of panthers, feared as ambush predators, have .. show full overview
2011x9
Do You See What I See?
Episode overview
Air date
Aug 08, 2011
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 .. show full overview
2011x10
Seeing Stars
Episode overview
Air date
Aug 15, 2011
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 .. show full overview
2011x11
The Nine Months That Made You
Episode overview
Air date
Aug 22, 2011
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 .. show full overview
2011x12
The Core
Episode overview
Air date
Aug 31, 2011
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 .. show full overview
2011x13
Are You Good or Evil?
Episode overview
Air date
Sep 07, 2011
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 .. show full overview
2011x14 Season finale
Fukushima: Is Nuclear Power Safe?
Episode overview
Air date
Sep 14, 2011
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 .. show full overview

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