Can cannabis cause schizophrenia? Is it addictive? Or is it an undervalued medicine? Dr John Marsden discovers that science is finally beginning to find answers to these questions. Show more
Results 1 to 15 of 15 for your search filters
Order results by:
Filter by channel
At the centre of this programme is a controversial overeating experiment that aims to identify exactly what it is about some people that makes it hard for them to gain weight. Show more
When an earthquake strikes, it always takes people by surprise. Horizon asks why science has not yet given us a way to predict when and where the next big quake is going to happen. Show more
What makes ordinary people commit extreme acts of violence? Michael Portillo investigates the dark side of human nature and discovers what it is like to inflict pain. Show more
When disaster strikes who lives and who dies is not purely a matter of luck - Horizon has gathered a team of experts to produce the ultimate guide to disaster survival. Show more
David Baddiel sets out to answer one of the greatest questions a parent can ask: how best to educate your child. Along the way he uncovers some unconventional approaches. Show more
Why are people more likely to have a heart attack at eight in the morning or crash their car on the motorway at two in the afternoon? The answer lies in our biological clock. Show more
Investigation into the science behind dreams, using cutting-edge experiments and personal stories to discover where they come from, whether they have meaning and why we have them. Show more
Why are people embarrassed about their bodies? Horizon challenges a group of volunteers' attitudes and reveals that nakedness may hold the key to the success of the human species. Show more
We are in the grip of an allergy epidemic. 50 years ago one in 30 were affected, but in Britain today it is closer to one in three. Horizon attempts to solve this medical puzzle. Show more
The world's leading scientists share crucial words of advice to help the new president get to grips with his intimidating responsibility to science. Show more
Jimmy Doherty, pig farmer, one-time scientist and poster-boy for sustainable food production is on a mission to find out if GM crops really can feed the world. Show more
Particle physicist Professor Brian Cox asks, 'What time is it?' It's a simple question and it sounds like it has a simple answer. But do we really know what it is we're asking? Show more
With access to the biggest fusion experiments on earth, Brian Cox tries to find out why scientists have been unable to get even a single watt of fusion electricity onto the grid. Show more
Actor and comedian Alan Davies embarks on a maths odyssey, visiting the fourth dimension and exploring infinity with the help of top mathematician Professor Marcus du Sautoy. Show more