Today's fast-moving world of science will have far-reaching effects on all of our lives. Trends in Science is a series of of essential readings for anyone who wants to know more about how his or her future will be affected; as well, the series provides accessible and stimulating material for high school and college students, for researchers and librarians. All titles in the series provide: an introductory overview of the field in the last 100 years, reviewing the past but also predicting the new developments of the future; a detailed chronology of the most important milestones; an index of key terms and concepts; biographies of the most important scientists in each field and their role in shaping their particular branch of science; a listing of important Websites, a directory of organizations, and suggestions for further reading.