Horizon — Season 12

Aired 20 January 1975 • 60 min

This investigative report by Horizon covers an investigation into the deaths of people who inhaled asbestos dust at Acre Mill, Yorkshire, England.

Aired 27 January 1975 • 50 min

Investigates the growing tendency in hospitals to induce childbirth by injecting hormones into mothers. The practice has become increasingly widespread in recent years, and this film asks if induction is desirable, necessary, and safe.

Aired 10 February 1975 • 60 min

This episode of Horizon examines the problems of ship safety in the English Channel.

Aired 17 February 1975 • 60 min

Horizon investigates the symptoms of menopause and the various degrees in which it occurs.

Aired 24 February 1975 • 60 min

This episode of Horizon shows the peril to man of the ever increasing dog population in the western world.

Aired 10 March 1975 • 60 min

By the end of 1974, Mars, Venus, Mercury and Jupiter had all been visited by spacecraft. For the first time scientists saw in sharp detail the continents, mountains, valleys and volcanoes of other worlds. Tonight's programme shows how these geological features give clues to the way the planets evolved; how they have helped scientists in their attempt to reach back 5,000 million years to understand the formation of the solar system itself.

Aired 7 April 1975 • 60 min

This report by Horizon covers an investigation by a group of Australian scientists that looks into the origins and history of the Australian Aborigines.

Aired 14 April 1975 • 60 min

This report by Horizon describes the resistance to antibiotics, fast growing in all countries, and the dangers it could mean for the future.

Aired 21 April 1975 • 60 min

Horizon investigates the life and work of the great engineer, Isambard Kingdom Brunel.

Aired 28 April 1975 • 60 min

Horizon explores the effect of fibre in diet on the diseases of western world.

Aired 5 May 1975 • 60 min

Horizon presents an investigation into the effects on health of lead in the urban atmosphere.

Aired 12 May 1975 • 60 min

This is a Horizon report on the building of the British military deterrent from the first decision to make it in 1941 until the present state of lethargy.

Aired 19 May 1975 • 60 min

This episode of Horizon follows the progress of Benjamin Pile, born on 22 November, 1974, at Oxford in Britain.

Aired 2 June 1975 • 60 min

This report by Horizon covers an experiment at McMaster University Medical School, in Ontario, Canada.

Aired 9 June 1975 • 60 min

Horizon investigates the attempts by the University of Newcastle in England to define and create an ideal living and working environment.

Aired 16 June 1975 • 60 min

Horizon explores the psychology of music, as it explains why music has such a powerful emotive effect in every society.

Aired 23 June 1975 • 60 min

This report by Horizon brings you scientists that are using Antarctica as a giant natural lab to study who has polluted Earth most; man or nature.

Aired 30 June 1975 • 60 min

Horizon investigates the discovery of gaseous anaesthetic from 1840 until the early years of 20th century.

Aired 7 July 1975 • 60 min

Horizon reports on the history of superconductivity, from discovery, to the present.

Aired 14 July 1975 • 60 min

In this documentary, Horizon reports on the reading process; how it works for the fluent, and how it should be taught.

Aired 21 July 1975 • 60 min

This episode of Horizon describes the various aspects of the pollution problem of the Mediterranean Sea.

Aired 28 July 1975 • 60 min

In this Horizon episode, Rene Thom's mathematical discovery of the catastrophe theory is investigated.

Aired 4 August 1975 • 60 min

This documentary by Horizon commemorates the dropping of the A-bomb on Hiroshima, Japan on August 6, 1945.

Aired 11 August 1975 • 60 min

Horizon takes a look at the history of cannabis and the research on the effects of smoking marijuana.

Aired 18 August 1975 • 60 min

This is a report by Horizon on Transcendental Meditation, or TM, brought to the West by the Maharishi Mahesh Yogi.

Aired 29 December 1975 • 60 min

This documentary by Horizon is about the Trobriand islanders, whose culture is based on the Kula, a communication system of giving and receiving.