Describes artificial intelligence, which is that branch of computer science devoted to programming computers to carry out tasks that would require intelligence if they were performed by humans.
Discusses the many new discoveries about the earth, sea, and space that resulted from scientific exploration begun during the International Geophysical Year and the years that followed.
Discusses the problem of teenage suicide, some theories about causes and patterns of suicidal behavior, society's responses to suicide, and some preventive measures.
Explores the nature of AIDS, its causes, ways of spreading, and effects on the lives of its victims, and discusses how misunderstanding of the disease may complicate the situation as it continues to spread.