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1972
1972x1
The Missing Link
Episode overview
In this episode of Horizon, you find out how feasible it is to build a 35 mile long tunnel between Britain and France.
1972x2
Navajo - The Last Red Indians
Episode overview
Horizon explores the American Navajo indian tribe of New Mexico, in the United States.
1972x3
How Much Do You Smell?
Episode overview
Why do humans have such a poor sense of smell as compared to animals? Horizon investigates why.
1972x4
Parasite of Paradise
Episode overview
This story by Horizon reports on Malaria in the country of Gambia, in West Africa.
1972x5
The Day it Rained Periwinkles
Episode overview
Horizon investigates reports of strange phenomena and about what the scientific theory is about these phenomena.
1972x6
Are You Doing This for Me, Doctor?
Episode overview
Horizon explores if a doctor's treatment of the patient is always in the best interest of the patient.
1972x7
How They Sold Doomsday
Episode overview
In this episode, Horizon looks the the ecological movement, and the resistance against the movement in Britain, and the USA.
1972x8
For Love or Money
Episode overview
In this report by Horizon, the effect of boring jobs on industrial relations is looked at, along with work and job satisfaction.
1972x9
Whales, Dolphins and Men
Episode overview
Horizon looks at the life of whales and dolphins, and how they interact with man.
1972x10
What is Race?
Episode overview
Horizon investigates the various conceptions of "race" that have arisen since the 17th century.
1972x11
Man-Made Lakes in Africa
Episode overview
Horizon investigates the use of hydroelectric power in Africa, at Lake Kariba, Lake Volta, and Lake Nasser.
1972x12
Survival in the Sahara
Episode overview
This episode of Horizon follows the expedition of two German naturalists exploring the Northwestern desert of the Sahara in Africa.
1972x13
Mind Over Body
Episode overview
This story by Horizon is about American research into techniques for controlling bodily functions with the mind.
1972x14
Out of Volcanoes
Episode overview
In this report, Horizon looks at the various aspects of volcanoes and explaining the views of some vulcanologists.
1972x15
The Wizard Who Spat on the Floor
Episode overview
Horizon presents a study of Thomas Alva Edison and his achievements as an inventor.
1972x16
Rail Crash
Episode overview
Horizon reviews the history of train accidents and the new safety precautions to prevent them.
1972x17
Do You Dig National Parks?
Episode overview
Horizon investigates the threat to the Snowdonia National Park in Britain, from mining companies.
1972x18
Sorry I Opened My Mouth
Episode overview
Horizon reports on modern research in the prevention of tooth decay.
1972x19
The Way We Move
Episode overview
How do muscles contract and how are they are controlled from the brain through nerve fibers are the subjects of this Horizon episode.
1972x20
The Life that Lives on Man
Episode overview
This episode of Horizon explores bacteria and other creatures that live on our skin and in our hair.
1972x21
Sex Can Be a Problem
Episode overview
In this episode by Horizon, we take a look at sexual problems, particularly for impotence, frigidity, and premature ejaculation.
1972x22
The Surgery of Violence
Episode overview
Horizon explores the development and techniques of brain surgery from the 1950's to present-day in Britain and the USA.
1972x23
Hospital, 1922
Episode overview
Horizon reconstructs a day in the life of the old Charing Cross Hospital in Britain just fifty years ago.
1972x24
When Polar Bears Swam in the Thames
Episode overview
This episode of Horizon looks the how the ice age physically shaped the British landscape.
1972x25
The Making of the English Landscape
Episode overview
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.
1972x26
Shadows of Bliss
Episode overview
Horizon reports that High Energy Physics shows a pattern of thought that challenges the very roots of commonplace belief.
1972x27
Billion Marsh
Episode overview
This episode of Horizon is about the east coast marshes of America, called the "Wetlands" and the effects of urban development on the wildlife.
1972x28
Do You Sincerely Want a Long Life?
Episode overview
Horizon investigates the research that is going into the ageing process to find out its causes and possible prevention.
1972x29
The Making of a Natural History Film
Episode overview
This epidsode of Horizon reports on how a group of zoologists at Oxford Scientific Films in England makes films.
1972x30
Fire
Episode overview
Horizon documents fire prevention, and fire fighting.
1972x31
Alaskan Pipe Dream
Episode overview
This episode of Horizon centers on the exploitation of oil in Alaska, and the effects of it on the Eskimoes and the local wildlife.
1972x32
Their Life in Your Hands
Episode overview
Horizon reports on people suffering from kidney diseases and the current forms of treatment.
1972x33
Navigating Europe
Episode overview
Horizon documents how in Europe, they are using water canals for industrial transport, as an alternative to roads.

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