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  1. Anthrax and Other Bioterrors

    There are reasons that terrorists have been sending anthrax–and threatening anthrax exposure–to people around the United States: Its scary (and deadly). Understanding that, the Medical Library Association has put together a Web page to help physicians, parents, teachers, and others learn more about anthrax, smallpox, botulinum toxin, plague, and other bioterrors–and the extent to which […]

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  2. Math

    Firm Data

    Business firms range in size from boutiques operated by individuals to huge multinational corporations employing thousands. You would expect that there are fewer large businesses than small ones. In economics, however, it’s useful to characterize the size distribution of firms more precisely than that. Within an industry, for example, the firm size distribution would indicate […]

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  3. Hair Today, Gone Tomorrow?

    Some scientists suggest that a better understanding of hair biology might not only lead to new treatments for people with too little (or too much) hair but also shed light on cancer, the growth and development of bodily organs, and other matters.