Margulies, Phillip

Discusses the factors and events that led to the 1989 Exxon Valdez oil spill in Prince William Sound, Alaska, the cleanup effort afterwards, and the longterm consequences of the disaster.

Examines five cases throughout history as examples of situations where people have compromised their principles in the name of safety, and covers the Salem witch trials, the Haymarket Affair trial, the Scopes "Monkey" trial, and others.

Examines the symptoms and treatment of diphtheria, how it is contracted, historic outbreaks of the disease, and ways to prevent epidemic.

Provides a chronological look at the Continental Army, a band of American colonists who took up arms, defeated the mighty empire, Great Britain, and gained independence.

Examines the history of the U.S. Department of Energy, the part of the government responsible for ensuring America obtains the energy it needs at a cost citizens can afford, looks at the accomplishments of some of the people who have served as Secretary of Energy, explains how the department works, and discusses its role in the twenty-first century.

Discusses the definition of artificial intelligence, the development of "thinking" machines, and what computers may be able to do in the future.