This Horizon episode is about the discovery of a molecular key which may literally unlock the mystery of life for all creatures.

Horizon presents a documentary on scientists who take themselves to Antarctica in 1980 to act as physical and mental guinea pigs.

Horizon explores the myth about the discovery of the antibiotic penicillin.

In this episode, Horizon explores the question of when antibiotics were first developed it seemed infectious disease might be eliminated, so what has gone wrong?

Horizon investigates the truths of science and it's theories.

Horizon explores at the latest discoveries about just where modern man came from.

This episode of Horizon documents leprosy in the USA and India with a focus on medical developments for it's cure and control.

Horizon investigates the remarkable technological transformation of France over the last 25 years.

Will the new strategies and weapons introduced because of the Falklands war be a match for the next generation of weapons? Horizon presents this documentary to answer that question.

Horizon looks at the virus that causes AIDS and the research into vaccines and drugs being developed to counteract the devastating disease of the immune system.

In this documentary, Horizon reports on how doctors in America found that addicts using designer drugs developed Parkinson's Disease-like symptoms.

In the interview by Horizon, Richard Dawkins discusses selfishness and cooperation, arguing that evolution often favours co-operative behaviour, and focusing especially on the tit for tat strategy of the prisoner's dilemma game.

This is an interesting Horizon presentation on decoys that look and smell like cows to the tsetse fly who carry a disease fatal to farm animals.

Horizon researches how we acquire mathematical abilities in the first place.

This report by Horizon takes a look at the instinctive side of intelligence in animals that shows us that we owe more to instinct than we may care to think.

Horizon presents a simple, but effective, cure for diarrea in young children; sugar and salt.

In this episode, Horizon brings you Voyager's encounter with Uranus and the mysteries that are being relayed back to the scientists.

Horizon presents an interview with Prof. C. Renfrew as he questions the accepted wisdom about the origins of Stonehenge in England.

This is the first part of a two-part series on battered children.

This is the second part of a two-part series on battered children.

In a unique project, Horizon follows a group of medical students into the next century.