Includes bibliographical references and index.

Does politics come before science in government decision making? -- Should society restrict the publication of unclassified but "sensitive" research? -- Should creationism and evolution get equal time in schools? -- Should society act now to halt global warming? -- Is it time to revive nuclear power? -- Will hydrogen replace fossil fuels for cars? -- Do falling birth rates pose a threat to human welfare? -- Is there sufficient scientific research to conclude that cell phones cause cancer? -- Should DDT be banned worldwide? -- Should potential risks slow the development of nanotechnology? -- Should we expand efforts to find near-earth objects? -- Is the search for extraterrestrial life doomed to fail? -- Do humans belong in space? -- Does the Internet strengthen community? -- Does the spread of surveillance technology threaten privacy? -- Will screens replace pages? -- Is the use of animals in research justified? -- Should genetically modified foods be banned? -- Is it ethically permissible to clone human beings?