Profiles seven modern achievements in transportation, such as the bicycle, the London Underground, and flying machines, discussing their development and qualities, and examining their contributions to scientific or technological advances.
Discusses the discovery of DNA fingerprinting, the processes involved, its initial use, and its past and present role in forensic identification, conservation biology, and human genetics.
Examines the debate over religious fundamentalism, focusing on Christian and Islamic fundamentalism, offering a definition of the fundamentalist worldview, and examining some of the points of disagreement between fundamentalists and their critics.
Describes the capital punishment system in the United States and efforts to make it more just and humane, and examines the positions of supporters and opponents of the death penalty.