Seasons & episodes

Horizon investigates the threat to the Snowdonia National Park in Britain, from mining companies.

Horizon reports on modern research in the prevention of tooth decay.

How do muscles contract and how are they are controlled from the brain through nerve fibers are the subjects of this Horizon episode.

This episode of Horizon explores bacteria and other creatures that live on our skin and in our hair.

In this episode by Horizon, we take a look at sexual problems, particularly for impotence, frigidity, and premature ejaculation.

Horizon explores the development and techniques of brain surgery from the 1950's to present-day in Britain and the USA.

Horizon reconstructs a day in the life of the old Charing Cross Hospital in Britain just fifty years ago.

This episode of Horizon looks the how the ice age physically shaped the British landscape.

This episode of Horizon illustrates the ideas of Prof. W.G. Hoskins on the development of the English landscape from Iron Age times to the present.

Horizon reports that High Energy Physics shows a pattern of thought that challenges the very roots of commonplace belief.

This episode of Horizon is about the east coast marshes of America, called the "Wetlands" and the effects of urban development on the wildlife.

Horizon investigates the research that is going into the ageing process to find out its causes and possible prevention.

This epidsode of Horizon reports on how a group of zoologists at Oxford Scientific Films in England makes films.

Horizon documents fire prevention, and fire fighting.

This episode of Horizon centers on the exploitation of oil in Alaska, and the effects of it on the Eskimoes and the local wildlife.

Horizon reports on people suffering from kidney diseases and the current forms of treatment.

Horizon documents how in Europe, they are using water canals for industrial transport, as an alternative to roads.

Horizon examines sources of infection that have, and could still, cause epidemics in Britain.

This episode of Horizon features Immanuel Velikovsky and his theories about the solar system.

Horizon examines the doctrines and military strategies of the rival alliances of NATO and the Warsaw Pact countries.

Horizon looks into the problem of deafness in Britain.

A jewel robbery, a hit-and-run, and the Case of the Skeleton in the Sand Dunes illustrate the work of forensic scientists and the police they assist. How do they discover the characteristics of an individual bullet as it enters a body? How are blood stains identified or microscopic flakes of paint? How do voiceprints and lie-detectors work? The crime labs of Britain and America have different priorities and different techniques. Each can learn from the other. They also have different success rates. Britain's is currently better. But how long can we hold out against a rapidly rising tide of drugs and violence? What can we learn from American experience?

How easy is it to get sterilized? Should there be abortion on demand? Do we need a free contraceptive service? Our average family size is 2.5. To avoid a social and population crisis it needs to be 2.1. Aberdeen, one of the few cities to have a fully comprehensive family planning service, has already successfully cut its birth rate. The Government plan to withdraw this kind of free service. But, in the light of Aberdeen's success, should the Government be made to reconsider?

In this documentary by Horizon, we look at chemical warfare and the associated environmental problems that have given science a bad name.