POSTDOCTORAL POSITION available immediately to develop and analyze rule-based models for signal-transduction systems involved in immunity and/or to develop methods and software tools that enable rule-based modeling (Sci. STKE 2006:re6). Send curriculum vitae and names of three references to: William S. Hlavacek, Ph.D., Center for Evolutionary and Theoretical Immunology, MSC03-2020, 1 University of New Mexico, Albuquerque, NM 87131-0001. E-mail: hlavacek@unm.edu. University of New Mexico is an Equal Opportunity/Affirmative Action Employer.