Seasons & episodes

In this episode of Horizon, Prof. John Taylor of the London University looks at the effects of gravity and the forces it exerts on the universe.

Horizon investigates the plight of the Pygmies, on the verge of extinction as a racial group.

This Horizon documentary is a biography of the Danish nuclear physicist, Nils Bohr, and his efforts to internationally control atomic energy.

Horizon looks at the rise in the number of people who smoke and the real health risks.

In this report, Horizon investigates why airplanes crash and shows accident investigators at work analyzing a film of an actual crash.

This episode of Horizon documents the sources, uses, and properties of the element mercury and examines its role in modern society.

Can we ever hope to wipe out diseases like influenza and small-pox? Will our weather get better - or worse? Is it possible to grow anything useful on large areas of moorland in this country? Diseases, climate and soil structure alter so slowly that patterns in them can only be found by studying how they've changed over hundreds and thousands of years. Dating methods, which slot all the changes into place, are the most important scientific tools for analyzing the past. And the news they give can advise - and warn - us about the future.

Horizon reports on the inhabitants islands east of New Guinea who have evolved a system of intercommunication called the Kula.