Horizon Season 1991

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1991x01 Sudden Death aired Jan 07, 1991

Documentary considering the nature of sudden death, the effects of coronary heart disease and the part they play.

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1991x02 Keen as Mustard aired Jan 14, 1991

This Horizon episode tells the story of the top secret experiments carried out to test the effects of mustard gas.

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1991x03 Smokers Can Harm Your Health aired Jan 21, 1991

Horizon investigates the case against passive smoking and reveals new evidence of its danger.

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1991x04 Coming In from the Cold aired Jan 28, 1991

Horizon reports on the new arms verification industry emerging due to the new arms control treaties.

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1991x05 Small Problems with the Mirror aired Feb 04, 1991

Horizon follows astronomer's efforts to rescue the Hubble space telescope and restore its original planned performance.

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1991x06 Two Weeks to Save the Earth aired Feb 10, 1991

Looks at the work of Earthwatch, and some of the many people who spend their holidays contributing to learning about the planet by helping on prehistoric dig... read more

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1991x07 California Dreaming aired Feb 11, 1991

This Horizon documentary presents the US auto industry's response to clean-up the air in Los Angeles, California by the year 2007.

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1991x08 The Day the Earth Melted aired Feb 25, 1991

This episode of Horizon examines 20 years of research which has led to a new theory on how the earth's crust was made.

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1991x09 The Curse of Karash aired Feb 25, 1991

Looks at the phenomenon of the outbreaks of a lethal kidney disease amongst groups of people scattered around an area of the Balkans, covering Yugoslavia, Ro... read more

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1991x10 Playing at Noah aired Mar 04, 1991

This Horizon interview presents Dr. Ulysses Seal who believes the "frozen zoo" concept is the best way to save vanishing species for the future generations.

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1991x11 Cashing in on Paradise aired Mar 11, 1991

This Horizon episode considers the pros and cons of "ecotourism" and the effects of tourism on the environment. The coral reefs of areas of Belize are suffer... read more

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1991x12 The Terracotta Time Machine aired Mar 18, 1991

This episode of Horizon explores the Natural History Museum and its philosophy, both past and present. We look at some of the recent innovations that have be... read more

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1991x13 Measuring the Roof of the World aired Mar 25, 1991

Horizon examines the problems and cartography involved in mapping mountains such as Mount Everest. They follow the history of of mapping from those surveys c... read more

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1991x14 The First Americans aired Apr 15, 1991

Horizon looks at archaeologist's new theories surrounding the population of the New World over 11,000 years ago

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1991x15 Inside Chernobyl's Sarcophagus aired Apr 22, 1991

Documentary following the clean-up operation at Chernobyl and the elite team of Soviet scientists working in areas of radiation that would be considered leth... read more

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1991x16 Colonising Cyberspace aired Apr 29, 1991

Horizon presents a documentary on how virtual reality can make humans feel as if they are present in the computer simulated artificial world. What is the fut... read more

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1991x17 Emerging Viruses aired May 13, 1991

In this report, Horizon follows a group of eminent scientists who believe we have become too complacent about infectious diseases.

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1991x18 Camelford - A Bitter Aftertaste aired May 20, 1991

Horizon explores the Camelford disaster, in which aluminium sulphate was accidentally added to drinking water in Cornwall in 1988.

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1991x19 Of Big Bangs, Stick Men and Galactic Holes aired Jun 03, 1991

Several astronomers and scientists explore the concepts of "hot/cold dark space" and whether or not the "Big Bang" theory is actually correct, as well as con... read more

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1991x20 Food For Thought aired Jun 10, 1991

This story by Horizon looks at the expanding and controversial area of "smart drugs".

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1991x21 The Long Road to the West aired Jun 17, 1991

In this Horizon episode, we look at the problems facing the Carl Zeiss optics company of Jena and other companies in the scientific sector of the former East... read more

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1991x22 Half Hearted About Semi-Skimmed aired Jun 24, 1991

Horizon examines the social and scientific issues around the cholesterol debate.

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1991x23 T-Rex Exposed aired Jul 01, 1991

Considers some of the different theories surrounding the Tyrannosaurus Rex dinosaur, and other members of the same family, and shows how calculations about s... read more

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