- 1 Epidemic
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Horizon examines sources of infection that have, and could still, cause epidemics in Britain.
Air Date: 1973-01-04
- 2 Worlds in Collision
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This episode of Horizon features Immanuel Velikovsky and his theories about the solar system.
Air Date: 1973-01-11
- 3 The Military Necessity
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Horizon examines the doctrines and military strategies of the rival alliances of NATO and the Warsaw Pact countries.
Air Date: 1973-01-18
- 4 The Curtain of Silence
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Horizon looks into the problem of deafness in Britain.
Air Date: 1973-01-25
- 5 Crime Lab
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No description available.
Air Date: 1973-02-01
- 6 When the Breeding Has to Stop
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No description available.
Air Date: 1973-02-08
- 7 Science is Dead, Long Live Science
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In this documentary by Horizon, we look at chemical warfare and the associated environmental problems that have given science a bad name.
Air Date: 1973-02-15
- 8 ...And Where Will the Children Play?
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Horizon explores how to make the future livable and prevent the effects of urban sprawl.
Air Date: 1973-03-01
- 9 Acupuncture: A Chinese Puzzle
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Horizon explains acupuncture theories and examines its validity in modern medicine.
Air Date: 1973-03-08
- 10 What Time is Your Body?
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Horizon illustrates the Circadian Cycle of your body clock as it relates to physical and mental efficiency.
Air Date: 1973-03-22
- 11 Survival of the Weakest
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In this episode, Horizon investigates the chances of survival and chances of a normal life for babies who are born underweight.
Air Date: 1973-04-05
- 12 Red Sea Coral and the Crown of Thorns
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This Horizon documentary shows the work of the Cambridge Coral Starfish Research Group off of Port Sudan in the Red Sea.
Air Date: 1973-04-12
- 13 Lumbered With Back-Ache!
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In this report, Horizon studies the problem of backache and investigates some remarkable new spine research.
Air Date: 1973-04-26
- 14 Airport
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Horizon covers Heathrow Airport in England and in particular, the work which is being done to make it safe.
Air Date: 1973-05-03
- 15 Do You Remember the Memory Man?
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Horizon looks at the phenomena of memory and some recent discoveries about it made by scientists.
Air Date: 1973-05-17
- 16 What a Waste!
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Horizon investigates the various ways of dealing with the growing problem of garbage.
Air Date: 1973-05-24
- 17 The Laws of the Land
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In the episode, Horizon investigates modern intensive farming methods.
Air Date: 1973-06-07
- 18 Do We Really Need the Railways?
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Horizon takes a realistic look at the new ideas and technology threatening Britain's railway system.
Air Date: 1973-06-14
- 19 The Telly of Tomorrow
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In this Horizon documentary, it deals with the expansion of television in Britain and the USA, especially with the growth of cable television.
Air Date: 1973-06-21
- 20 The Rat Man
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A dramatised reconstruction of Dr Freud's treatment of an obsessive neurotic who is frustrated, suicidal and terrified that rats are going to eat his father and girlfriend.
Air Date: 1973-06-28
- 21 How Does It Hurt?
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In this episode of Horizon, you will find that many people suffer chronic pain and yet others cannot feel anything.
Air Date: 1973-07-05
- 22 A Scientist Looks at Religion
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This report by Horizon examines the work of Sir Alister Hardy who has set up a research unit to examine religious experience.
Air Date: 1973-08-09
- 23 In Search of Konrad Lorenz
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Horizon presents a portrait of Konrad Lorenz and a review of his career and personal interests.
Air Date: 1973-09-24
- 24 Stretch Up Tall
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This episode of Horizon takes a look at the medical and educational treatment of spastics in Britain.
Air Date: 1973-10-01
- 25 Gilding the Lily
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Horizon presents a documentary on the developments in botany resulting in new flowers and the mass production of plants from single cells.
Air Date: 1973-10-08
- 26 Black Holes of Gravity
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In this episode of Horizon, Prof. John Taylor of the London University looks at the effects of gravity and the forces it exerts on the universe.
Air Date: 1973-10-15
- 27 What's so Big About Us?
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Horizon investigates the plight of the Pygmies, on the verge of extinction as a racial group.
Air Date: 1973-10-22
- 28 The Steadfast Tin Soldier
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This Horizon documentary is a biography of the Danish nuclear physicist, Nils Bohr, and his efforts to internationally control atomic energy.
Air Date: 1973-10-29
- 29 Carry on Smoking
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Horizon looks at the rise in the number of people who smoke and the real health risks.
Air Date: 1973-11-05
- 30 Air Crash Detective
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In this report, Horizon investigates why airplanes crash and shows accident investigators at work analyzing a film of an actual crash.
Air Date: 1973-11-26
- 31 An Element of Mystery
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This episode of Horizon documents the sources, uses, and properties of the element mercury and examines its role in modern society.
Air Date: 1973-12-03
- 32 Digging Up the Future
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No description available
Air Date: 1973-12-17
- 33 Kula, a Reason for Giving
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Horizon reports on the inhabitants islands east of New Guinea who have evolved a system of intercommunication called the Kula.
Air Date: 1973-12-24