How does your memory work?
Horizon looks at the human memory and how it develops.
How much is your dead body worth?
Horizon investigates the insatiable demand for body parts.
Are we Alone in the Universe?
The search for alien life discovers a planet that could support life.
Prof. Regan's supermarket secrets
Prof. Regan tests the scientific claims of supermarket products
How to live to 101
A few isolated communities seem to hold the secrets to long life.
How to make better decisions
An exclusive guide to making better decisions.
Is alcohol worse than ecstasy?
The highs and lows of the UK's 20 most dangerous drugs.
What on Earth is wrong with gravity?
Dr Brian Cox wants to know why the Universe is built the way it is.
Psychologists subject six volunteers to a world without stimulation.
How to Kill a Human Being
Michael Portillo looks at the science of executions. Will he find the perfect killing machine?
Everest: Doctors in the Death Zone
A team of doctors conducts medical experiments on Everest.
How to commit the perfect Murder
Can a knowledge of forensics be used to get away with murder?
The Six Billion Dollar Experiment
Will the Large Hadron Collider reveal the elusive God particle?
Moon for Sale
After 40 years man is going back to the Moon. But this time astronauts plan to stay there.
Prof Regan's Beauty Parlour
Prof Regan wants to fill her bathroom cabinet with cosmetics that really work.
My Pet Dinosaur
What if dinosaurs were still alive today? Would we hunt them, farm them or keep them as pets?
The great Robot Race
Twenty robot cars cross the Nevada desert with no drivers.
The World's first Face Transplant
Are face transplants in the best interest of the patient?
Survivors Guide to Plane Crashes
Over 90% of plane crashes have survivors.
Bye bye Planet Pluto
Before Pluto was demoted, astronomers were struggling to define what a planet is.
The Woman who thinks like a Cow
Temple Grandin's autism helps her understand the animal mind.
Skyscraper Fire Fighters
Could Professor Jose Torero's fire protection system have saved the Twin Towers?
Battle of the Brains
Seven high-fliers are put through a series of tests to measure their intelligence.
Mad but Glad
Pianist Nick van Bloss has Tourette's syndrome. But is his illness a blessing or a curse?
The Elephant's Guide to Sex
How do you save an endangered species? Get the animals in the mood for love.
We are the Aliens
Could clouds of alien life forms sweeping through outer space infect planets with life?
What if bird flu turns into a pandemic flu that sweeps across the globe?
What happens when computer intelligence equals the power of the human brain?
Chimps are People Too
Danny Wallace investigates how similar chimps and people are.
We love Cigarettes
Our obsession with the cigarette is one of the strangest love affairs ever seen.
The Genius Sperm Bank
Can you breed highly intelligent people by getting clever men to donate sperm?