Horizon

1. The President's Guide to Science

Michael Portillo looks at the science behind executions. Former Conservative...

2. How Mad Are You?: Part 1

Psychologists subject six volunteers to a world without stimulation. For the...

3. How Mad Are You?: Part 2

Dr Brian Cox wants to know why the Universe is built the way it is. Particle...

4. Jimmy's GM Food Fight

A trip through the highs and lows of the UK’s 20 most dangerous drugs. Recen...

6. Allergy Planet

While scientists have been searching for the secrets of long life, a few isol...

7. Where's My Robot?

Friendly bacteria, superfoods, cholesterol busting spreads, 99% germ free, wh...

8. Why Are Thin People Not Fat?

The world is affected by an obesity epidemic, but why is it that not everyone...

9. Cannabis: The Evil Weed?

Cannabis is the world's favourite drug, but also one of the least understood....

10. Why Do We Dream?

Horizon uncovers the secret world of our dreams. In a series of cutting-edge ...

11. Can We Make a Star on Earth?

Professor Brian Cox takes a global journey in search of the energy source of ...

12. The Secret Life of Your Body Clock

First of a two-part special. Ten volunteers have come together for an extraor...

13. What's the Problem with Nudity?

Modern research, mainly in London and Turku (Finland),examines paleontologic...

14. How to Survive a Disaster

When disaster strikes who lives and who dies is not purely a matter of luck. ...

15. Who Do You Want Your Child to Be?

David Baddiel, father of two, sets out to answer one of the greatest question...

16. Why Can't We Predict Earthquakes?

Last century, earthquakes killed over one million, and it is predicted that t...

17. Alan and Marcus Go Forth and Multiply

Ever since he was at school, actor and comedian Alan Davies has hated maths. ...