Dr. Frank Darling and Dr. Eric Edson discuss different environmental priorities.

A reconstruction of a Michael Faraday lecture last given in December 1860.

Horizon explores the findings of physicists at Brookhaven, Long Island, New York. Who, after two years and thousands of photographs, have identified a predicted new particle which has a unique characteristic: 'strangeness minus three'.

Horizon looks at the work of the National Institute for Medical Research.

Prof. Arthur C. Clarke, Derek Price and Nigel Balchin discuss the past and future of science.

The work of amateur scientists.

Horizon investigates the 'Tots and Quots' and the 'Woodgeries' two groups set up by scientists before the second world war to discuss the future of science and how it effects society.

Horizon takes a look at science in the spirit of Christmas.