Discusses the historical background, from the Treaty of Versailles through Hitler's rise to power, that led to the horrible and systematic slaughter of millions of Jews by the Nazis during World War II.

A discussion of a new scientific theory, formed with the help of computers, which proposes the possibility of patterns and order in the chaos and unpredictability of both nature and also human aspects of the world.

Discusses this degenerative disease of the nervous system, its effect on the patient's family members, and suggestions for coping and care.

Describes radio astronomy and how it helps scientists study the universe.

Discusses several threats to the environment, laws that have been enacted to protect it, and the branch of the Environmental Protection Agency and other local groups that enforce such laws.