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E1 The Intelligence Man
Sir Cyril Burt died in 1971, the most eminent psychologist of his age. Within two years the most bitter and disturbing scientific controversy since Piltdown Man saw Burt accused of lifelong faking and manipulation of phoney data. How and why was Burt allowed to get away with this?
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E2 Microworld!
Horizon looks at the research advances in physics and technology of microelectronics.
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E3 A New Green Revolution?
This episode of Horizon looks at the role of scientists in agriculture throughout the Third World countries.
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E4 Spies in the Wires
Horizon examines the various ways of committing computer fraud and at the efforts to prevent it and preserve our privacy.
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E5 Valley of the Inca
In this documentary, Horizon examines the work at an archaeological project in the Cusichaca Valley, Peru.
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E6 The Conquest of Parasites
Horizon presents this report on parasites, their life styles, and the diseases they cause in Third World countries.
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E7 Reflections on a River
Horizon investigates the life for various civilizations along the river Waveney in east Angola.
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E8 A Normal Face
Horizon presents a report on current research and trends in facial reconstructive surgery.
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E9 Prisoners of Incest
In this documentary, Horizon reconstructs a therapy session where a man imprisoned for incest meets his family for first time in two and one half years.
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E10 Signs of the Apes, Songs of the Whales
Horizon investigates the linguistic potential of non-human species.
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E11 Professor Bonner and the Slime Moulds
In the documentary, Horizon reports on the life of slime moulds and how they provides clues to cell differentiation.
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E12 The Mind of a Murderer: The Case of the Hillside Strangler
Horizon presents the first of a two-part documentary about Kenneth Bianchi, the Los Angeles Hillside Strangler, who was convicted of the murder of 12 women even though his defence was that he had no memory of the crimes.
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E13 The Mind of a Murderer: The Mask of Madness
Horizon presents the second part of a two-part documentary about Kenneth Bianchi, the Los Angeles Hillside Strangler, who was convicted of the murder of 12 women even though his defence was that he had no memory of the crimes.
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E14 A Cruel Inheritance
Horizon reports on new medical techniques to diagnose the inherited diseases; sickle cell anaemia and cystic fibrosis.
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E15 The Malvern Link
Horizon investigates the military bias of British scientific industries and the possible consequences if the bias continues.
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E16 Contented Cows and Other Animals
Horizon explores the behavioural patterns of sheep, cows, chickens, and pigs under both natural and intensive farming conditions.
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E17 Picking Winners
Horizon reports on the decline in the amount of gambling leading to a severe reductions in money to fund the scientific research in Britain.
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E18 The Brain Puzzle
Horizon documents the current medical research into finding new ways of repairing damage to the brain and the central nervous system.
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E19 Global Village
Horizon examines the concept and implications of a global village in Third World countries.
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E20 Ivan
In this documentary, Horizon spends a week with a victim of Parkinson's disease and how he has to use considerable muscular effort in order to cope with day-to-day life.
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E21 A Mathematical Mystery Tour
Horizon attempts to explain some of the theories proposed by pure mathematicians over the ages.
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E22 Supercharged
Horizon presents a chronological history of the development of the racing car during the 15 years prior to World War II.