Topics

Describes in simple terms why earthquakes and volcanoes occur, the damage they cause, and how instruments are used to detect movements in the earth.

Describes some of the great disasters of history, both natural and man-made.

Discusses the causes of pollution, its effects on the environment, and what is being done to repair some of the damage it has caused.

Discusses individual dinosaurs and theories for their extinction.

Examines how methods of punishment have changed through the ages, current methods of punishment such as fines and prison sentences, and likely future developments.

Explains how television programs are made and how they reach your screen. Also explains other uses of television.

Outlines the history of railroads. Describes different type engines, famous rail lines and their passengers and freight.

Examines the history, functions, and future of helicopters.