March 23 Physics and astronomy, Mark Covington, Seagate Research, 4 p.m., Jones Physical Sciences Center, Room 409. Refreshments at 3:45 p.m.

March 23-25 Walker Institute, 44th-annual meeting of the Southern Conference on Slavic Studies, Clarion Townhouse Hotel, Columbia. For more information, go to www.cas.sc.edu/iis/upcoming.htm.

March 24 Chemistry and biochemistry, "Copper(I)-Organic Networks: Structure, Catalytic Potential, and New Laboratory Experiments," Robert Pike, College of William and Mary, 4 p.m., Jones Physical Sciences Center, Room 104. Refreshments at 3:45 p.m.

March 27 Walker Institute, "India's Himalayan Frontier: Strategic Challenges and Opportunities in the 21st Century," Vijam Kapur, University of Delhi, Gambrell Hall, Room 429. Reception to follow.

March 27 Biological sciences, John Cleveland, St. Jude's Children's Research Hospital, Memphis, 4 p.m., Coker Life Sciences, Room 005.

March 27 School of Medicine, Biomedical Science Seminar, "Glucose, Glucose Regulation, and Cognition," Claude Messier, assistant director, School of Psychology, University of Ottawa. 4 p.m., School of Medicine Campus, Building 1, Room B-1.

March 29 Women's Studies, "The Long, Hot Melodramas: Gender and Other Southern Disorders in Films of the 'Fifties and 'Sixties," Susan Courtney, associate professor in the USC Department of English and Film Studies Program, 3:30 p.m., location TBA.

March 30 Physics and astronomy, Volker Burkert, Jefferson Laboratory, 4 p.m., Jones Physical Sciences Center, Room 409. Refreshments at 3:45 p.m.

March 31-April 1 TRIO programs, Second-annual Diversity and the Doctorate Symposium, an event that provides undergraduate students with an orientation to graduate study and academic careers through a series of panel discussions, presentations, and lectures. Presenters include USC faculty and graduate students. Keynote speaker is Kwame Dawes, Louise Fry Scudder Professor of English at USC. Registration information is available at www.sc.edu/trio/mcnair.htm.

March 31 Walker Institute, "Information, Commitment, and War Termination," Dan Reiter, professor of political science, Emory University, 3:30 p.m., Gambrell Hall, Room 429.

March 31 Chemistry and biochemistry, Menachem Elimelech, Yale University, 4 p.m., Jones Physical Sciences Center, Room 006. Refreshments at 3:45 p.m.

March 31 Linguistics, "The Nature of Lexical Change," Steven Dworkin, Department of Linguistics, University of Michigan, Ann Arbor, 3:30 p.m., Gambrell Hall, Room 152.

April 3 Biological sciences, "Phylogeography of Mussels," Francois Bonhomme, University of Montpellier, 4 p.m., Coker Life Sciences, Room 005.

April 5 Walker Institute, "From Mom-and-Pop to Multinational Corporation: The Evolution of Japanese Business Enterprises," Mary Louise Nagata, Francis Marion University, 3:30 p.m., Gambrell Hall, Room 429. Sponsored by Center for Asian Studies.

April 5 English and African-American Studies, "Teaching as a Political Act: African-American Education in Slavery and Freedom," Heather Williams, University of North Carolina-Chapel Hill, 7 p.m., Moore School of Business, Belk Auditorium, Room 005.

April 7 Linguistics, "Steps in Grammatical Shift," Carol Myers-Scotton, professor emeritus, USC Department of English, Linguistics Program, 3:30 p.m., Gambrell Hall, Room 152.

April 7 Chemistry and biochemistry, Nancy Makri, University of Illinois, Urbana, 4 p.m., Jones Physical Sciences Center, Room 006. Refreshments at 3:45 p.m.

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