1997

Feb 27, 1997 · 1 hr

Horizon reports on the resurgence in research on psychedelic drugs in the 1990's.

Mar 6, 1997 · 1 hr

In this documentary, Horizon investigates obesity in Britain, following a woman, Heather Osborne, who weighs 322 pounds. We watch her progress through a stomach stapling operation and explore reports on a so-called fat free fat and two new drugs which have been marketed as the ultimate cure for obesity.

Mar 13, 1997 · 1 hr

Horizon follows the investigations into the origins of a 16th century shipwreck discovered off of the coast of the Channel Islands.

Mar 20, 1997 · 1 hr

This episode of Horizon presents a profile of the inventor Sir Frank Whittle and his idea for the first jet engine which changed the nature of air travel.

Mar 27, 1997 · 1 hr

In this episode, Horizon reports on the last lab samples of smallpox destined to be destroyed. But do we still have much to learn from this virus?

Apr 3, 1997 · 1 hr

In this episode, Horizon investigates an amazing new sign language developed solely by deaf children and explores if we copy language from what surrounds us.

Apr 17, 1997 · 1 hr

Horizon reports on a radical new theory by Professor Polly Matzinger about the human body's immune system.

Apr 24, 1997 · 1 hr

Horizon investigates the real impact that oil pollution has on our environment during a 12 month study.

May 1, 1997 · 1 hr

Horizon reports on the technical and logistical struggles of teams trying for the first time to circumnavigate the earth by balloon.

Sep 11, 1997 · 1 hr

Horizon investigates the theory that a comet impact in the Gulf of Mexico was responsible for the mass extinction of the dinosaurs.

Sep 18, 1997 · 1 hr

Horizon reports on how mainstream science is now looking at whether the brain can affect the immune system.

Sep 25, 1997 · 1 hr

In this episode, Horizon presents new findings about the dates for the arrival of people in Australia and the invention of art.

Oct 9, 1997 · 1 hr

Horizon presents a documentary about scientists who now believe that viruses that can kill bacteria, known as bacteriophage, might win the fight against super-germs.

Oct 16, 1997 · 1 hr

Looks at Ian Waterman, who at 19 caught a virus that destroyed half of his nervous system and who, in spite of medical assertions that he would never walk, feed or move again, managed by sheer will-power to get back some mobility. Examines the question of how far the brain can over-ride disease or physical problems.

Oct 23, 1997 · 1 hr

This Horizon documentary is about how and why, a sheep named Dolly, became the first cloned copy of an adult mammal.