Horizon - 2009-2010
Run Time: 60 mins
Air Date: Tue, 13 Oct 2009
Average Rating: ⭐ 7.4 (33 votes)
BBC Two14 Episodes
Do I Drink Too Much?
Season 47 - Episode 1
Alcohol is by far the most widely used drug - and a dangerous one at that. So why are so many of us drinking over the recommended limits? Wh...
The Secret You
Season 47 - Episode 2
With the help of a hammer-wielding scientist, Jennifer Aniston and a general anaesthetic, Professor Marcus du Sautoy goes in search of answe...
Fix Me
Season 47 - Episode 3
Horizon follows the emotional journey of three young people with currently untreatable conditions to see if, within their lifetime, they can...
Who's Afraid of a Big Black Hole?
Season 47 - Episode 4
Black holes are one of the most destructive forces in the universe, capable of tearing a planet apart and swallowing an entire star. Yet sci...
Why Do We Talk?
Season 47 - Episode 5
Talking is something that is unique to humans, yet it still remains a mystery. Horizon meets the scientists beginning to unlock the secrets ...
How Long is a Piece of String?
Season 47 - Episode 6
Alan Davies attempts to answer the proverbial question: how long is a piece of string? But what appears to be a simple task soon turns into ...
The Secret Life of the Dog
Season 47 - Episode 7
We have an extraordinary relationship with dogs - closer than with any other animal on the planet. But what makes the bond between us so spe...
Why Do Viruses Kill?
Season 47 - Episode 8
Just months ago, the world stood in fear of an emerging new disease that threatened to kill millions. A new flu variant H1N1 had arrived. In...
Pill Poppers
Season 47 - Episode 9
Over a person's lifetime they are likely to be prescribed more than 14,000 pills. Antibiotics, cholesterol lowering tablets, anti-depressant...
Don't Grow Old
Season 47 - Episode 10
For centuries scientists have been attempting to come up with an elixir of youth. Now remarkable discoveries are suggesting that ageing is s...
To Infinity and Beyond
Season 47 - Episode 11
By our third year, most of us will have learned to count. Once we know how, it seems as if there would be nothing to stop us counting foreve...
What Makes a Genius?
Season 47 - Episode 12
Could you have come up with Einstein's theory of relativity? If not - why not? This is what Marcus du Sautoy, professor of mathematics, want...
Did Cooking Make Us Human?
Season 47 - Episode 13
Horizon examines the evidence that our ancestors' changing diet and mastery of fire prompted anatomical and neurological changes that took u...
Is Everything We Know About the Universe Wrong?
Season 47 - Episode 14
There's something very odd going on in space - something that shouldn't be possible. It is as though vast swathes of the universe are being...