Cannabis

1The Killer Dust

60 minJan 20, 1975

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

2A Time to Be Born

50 minJan 27, 1975

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.

3The Unsafe Sea

60 minFeb 10, 1975

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

4The Change of Life

60 minFeb 17, 1975

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

5Project Fido

60 minFeb 24, 1975

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

6The Planets

60 minMar 10, 1975

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.

7The Long, Long Walkabout

60 minApr 7, 1975

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

8The Overworked Miracle

60 minApr 14, 1975

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

9Not the Cheapest, But the Best

60 minApr 21, 1975

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

10A Spoonful of Roughage

60 minApr 28, 1975

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

11Brain Poison

60 minMay 5, 1975

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

12The Bulldog's Last Bark?

60 minMay 12, 1975

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.

13Benjamin

60 minMay 19, 1975

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

14The McMaster Experiment

60 minJun 2, 1975

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

15The Glazed Outlook

60 minJun 9, 1975

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

16The Three Chord Trick

60 minJun 16, 1975

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

17The Cleanest Place in the World

60 minJun 23, 1975

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.

18Strange Sleep

60 minJun 30, 1975

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

19The Greatest Advance Since the Wheel?

60 minJul 7, 1975

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

20How Do You Read?

60 minJul 14, 1975

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

21The Sickly Sea

60 minJul 21, 1975

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

22Happy Catastrophe

60 minJul 28, 1975

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

23To Die, to Live - The Survivors of Hiroshima

60 minAug 4, 1975

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

24Cannabis

60 minAug 11, 1975Now viewing

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

25Meditation and the Mind

60 minAug 18, 1975

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

26The Trobriand Experiment

60 minDec 29, 1975

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