Horizon: Season 12

Tập 1 1975-01-20 | 60 min This investigative report by Horizon covers an investigation into the deaths of people who inhaled asbestos dust at Acre Mill, Yorkshire, England. Tập 2 1975-01-27 | 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. Tập 3 1975-02-10 | 60 min This episode of Horizon examines the problems of ship safety in the English Channel. Tập 4 1975-02-17 | 60 min Horizon investigates the symptoms of menopause and the various degrees in which it occurs. Tập 5 1975-02-24 | 60 min This episode of Horizon shows the peril to man of the ever increasing dog population in the western world. Tập 6 1975-03-10 | 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. Tập 7 1975-04-07 | 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. Tập 8 1975-04-14 | 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. Tập 9 1975-04-21 | 60 min Horizon investigates the life and work of the great engineer, Isambard Kingdom Brunel. Tập 10 1975-04-28 | 60 min Horizon explores the effect of fibre in diet on the diseases of western world. Tập 11 1975-05-05 | 60 min Horizon presents an investigation into the effects on health of lead in the urban atmosphere. Tập 12 1975-05-12 | 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. Tập 13 1975-05-19 | 60 min This episode of Horizon follows the progress of Benjamin Pile, born on 22 November, 1974, at Oxford in Britain. Tập 14 1975-06-02 | 60 min This report by Horizon covers an experiment at McMaster University Medical School, in Ontario, Canada. Tập 15 1975-06-09 | 60 min Horizon investigates the attempts by the University of Newcastle in England to define and create an ideal living and working environment. Tập 16 1975-06-16 | 60 min Horizon explores the psychology of music, as it explains why music has such a powerful emotive effect in every society. Tập 17 1975-06-23 | 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. Tập 18 1975-06-30 | 60 min Horizon investigates the discovery of gaseous anaesthetic from 1840 until the early years of 20th century. Tập 19 1975-07-07 | 60 min Horizon reports on the history of superconductivity, from discovery, to the present. Tập 20 1975-07-14 | 60 min In this documentary, Horizon reports on the reading process; how it works for the fluent, and how it should be taught. Tập 21 1975-07-21 | 60 min This episode of Horizon describes the various aspects of the pollution problem of the Mediterranean Sea. Tập 22 1975-07-28 | 60 min In this Horizon episode, Rene Thom's mathematical discovery of the catastrophe theory is investigated. Tập 23 1975-08-04 | 60 min This documentary by Horizon commemorates the dropping of the A-bomb on Hiroshima, Japan on August 6, 1945. Tập 24 1975-08-11 | 60 min Horizon takes a look at the history of cannabis and the research on the effects of smoking marijuana. Tập 25 1975-08-18 | 60 min This is a report by Horizon on Transcendental Meditation, or TM, brought to the West by the Maharishi Mahesh Yogi. Tập 26 1975-12-29 | 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.