Marcia Linn directs one of the 13 Centers for Learning and Teaching funded by the National Science Foundation: the Technology-Enhanced Learning in Science (TELS) center. A fellow of the American Association for the Advancement of Science, she investigates science teaching and learning, gender equity, and design of learning environments. In 1998, the Council of Scientific Society Presidents selected her for its first award in educational research. From 1995-96 and 2001-02 she was a fellow at the Center for Advanced Study in the Behavioral Sciences. In 1994, the National Association for Research in Science Teaching presented her with its Award for Lifelong Distinguished Contributions to Science Education. The American Educational Research Association bestowed on her the Willystine Goodsell Award in 1991 and the Women Educator's Research Award in 1982. Twice she has won the Outstanding Paper Award of the Journal of Research in Science Teaching(1975 and 1983). She has accepted invitations to contribute as a Fulbright Professor at the Weizmann Institute in Israel; as a Visiting Fellow at University College, London; and as a Visiting Fellow at the Institute J. J. Rousseau in Geneva, Switzerland, where she worked with Jean Piaget. Her board service includes the American Association for the Advancement of Science board, the Graduate Record Examination board of the Educational Testing Service, the McDonnell Foundation Cognitive Studies in Education Practice board, and the Education and Human Resources Directorate at the National Science Foundation. Her publications include Computers, Teachers, Peers:Science Learning Partners,with S. Hsi (Lawrence Erlbaum Associates, 2000); Internet Environments for Science Education,with E. Davis et al. (Lawrence Erlbaum Associates, 2004); "The Tyranny of the Mean: Gender and Expectations," in Notices of the American Mathematical Society(1994); and Designing Pascal Solutions,with M. C. Clancy (W. H. Freeman, 1992).