The author of this content analytic study examines news narratives about nano science and tech- nology (nano S&T) in major U.S. and non-U.S. newspapers by taking a random sample of 350 articles published from1988throughmid-July2004fromauniverse of 1,330 articles. In addition to identifying dominant frames or content themes, the author evaluates whether there is a domi- nant tone or sentiment regarding the ethical, legal, and societal implications of developments and issues in nanoS&T. Scientific discoveries or projects and the social effects of nanoS&T are the dominant frames. The ratio of articles leaning toward the sentiment that benefits outweigh risks versus that risks outweigh benefits is three to one.
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