The Best Episodes of Horizon Season 9

In this episode of Horizon, you find out how feasible it is to build a 35 mile long tunnel between Britain and France.

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Horizon explores the American Navajo indian tribe of New Mexico, in the United States.

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Why do humans have such a poor sense of smell as compared to animals? Horizon investigates why.

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This story by Horizon reports on Malaria in the country of Gambia, in West Africa.

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Horizon investigates reports of strange phenomena and about what the scientific theory is about these phenomena.

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Horizon explores if a doctor's treatment of the patient is always in the best interest of the patient.

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In this episode, Horizon looks the the ecological movement, and the resistance against the movement in Britain, and the USA.

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In this report by Horizon, the effect of boring jobs on industrial relations is looked at, along with work and job satisfaction.

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Horizon looks at the life of whales and dolphins, and how they interact with man.

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Horizon investigates the various conceptions of "race" that have arisen since the 17th century.

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Horizon investigates the use of hydroelectric power in Africa, at Lake Kariba, Lake Volta, and Lake Nasser.

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This episode of Horizon follows the expedition of two German naturalists exploring the Northwestern desert of the Sahara in Africa.

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This story by Horizon is about American research into techniques for controlling bodily functions with the mind.

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In this report, Horizon looks at the various aspects of volcanoes and explaining the views of some vulcanologists.

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Horizon presents a study of Thomas Alva Edison and his achievements as an inventor.

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Horizon reviews the history of train accidents and the new safety precautions to prevent them.

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Horizon investigates the threat to the Snowdonia National Park in Britain, from mining companies.

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Horizon reports on modern research in the prevention of tooth decay.

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How do muscles contract and how are they are controlled from the brain through nerve fibers are the subjects of this Horizon episode.

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This episode of Horizon explores bacteria and other creatures that live on our skin and in our hair.

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In this episode by Horizon, we take a look at sexual problems, particularly for impotence, frigidity, and premature ejaculation.

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Horizon explores the development and techniques of brain surgery from the 1950's to present-day in Britain and the USA.

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Horizon reconstructs a day in the life of the old Charing Cross Hospital in Britain just fifty years ago.

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This episode of Horizon looks the how the ice age physically shaped the British landscape.

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This episode of Horizon illustrates the ideas of Prof. W.G. Hoskins on the development of the English landscape from Iron Age times to the present.

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