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The intent and uses of science are a continuing preoccupation, especially in public debates on issues such as new pharmaceuticals, cloning, stem cells, genetically modified foods, and assisted reproduction. Times of Triumph, Times of Doubt, written by the eminent geneticist and historian Elof Carlson, explores the moral foundations of science and their role in these hot-button issues. Carlson chooses a variety of case histories and describes their scientific background and the part played by scientists in the application of their work, including their motivations and reactions to bad outcomes, both real and alleged. He examines why ethical lapses have occurred in these areas, why bad things happen when, for the most part, those who worked on the science had only good intentions in mind, and how such lapses can be prevented from occurring in the future. This exploration of ethics and science is important reading for those interested in issues of science and society, including journalists, theologians, legislators, lawyers, and scientists themselves.