In TV & Radiofollow-up:
View archived Horizon programme summaries.
Everest: Doctors in the Death ZoneA team of doctors conducts medical experiments on Everest.
How to commit the perfect MurderCan a knowledge of forensics be used to get away with murder?
The Six Billion Dollar ExperimentWill the Large Hadron Collider reveal the elusive God particle?
Moon for SaleAfter 40 years man is going back to the Moon. But this time astronauts plan to stay there.
Prof Regan's Beauty ParlourProf Regan wants to fill her bathroom cabinet with cosmetics that really work.
My Pet DinosaurWhat if dinosaurs were still alive today? Would we hunt them, farm them or keep them as pets?
The great Robot RaceTwenty robot cars cross the Nevada desert with no drivers.
The World's first Face TransplantAre face transplants in the best interest of the patient?
Survivors Guide to Plane CrashesOver 90% of plane crashes have survivors.
Bye bye Planet PlutoBefore Pluto was demoted, astronomers were struggling to define what a planet is.
The Woman who thinks like a CowTemple Grandin's autism helps her understand the animal mind.
Skyscraper Fire FightersCould Professor Jose Torero's fire protection system have saved the Twin Towers?
Battle of the BrainsSeven high-fliers are put through a series of tests to measure their intelligence.
Mad but GladPianist Nick van Bloss has Tourette's syndrome. But is his illness a blessing or a curse?
The Elephant's Guide to SexHow do you save an endangered species? Get the animals in the mood for love.