Impact book

Surveys the history of the space race between the United States and the Soviet Union.

Traces the history of the development of the artificial heart, including experimentation with animal and human heart transplants, and discusses the psychological and ethical issues surrounding their use.

Discusses European history and the beginning of the Common Market, its present structure, benefits to members, and its future.

Describes how industries and politicians target communities that cannot effectively fight back as sites for toxic dumps.

Explains, through text and photographs, the various types of wetlands and their importance, describes the plants and animals that live in them, and explores different approaches to saving wetlands.

An overview of recombined DNA technology, or genetic engineering, techniques used to create crop plants and farm animals with characteristics that are attractive to farmers, food processors, and consumers.

Discusses current policies governing the spread of nuclear weapons along with potential problems and possible outcomes.

Discusses American health care and the changes that are proposed.

Discusses the uses and misuses of guns in the United States, including the efforts by government agencies to control the use and distribution of firearms.

Discusses the manufacture and sale of crack, explains the dangers of crack use and addiction, and describes efforts to treat addicts and end the crack trade.