30 MFA Fall Show; works by Master of Fine Arts student of the Graduate School of Fine Arts; gallery hours, Monday-Friday 9 a.m.-5 p.m.; reception, November 3, 5-7 p.m.; Meyerson Hall Gallery. Through November 14.


30 Francophonie; French conversation meeting; vin, paté and bonne compagnie; 5-7 p.m.; Ben Franklin Room, Houston Hall.


25 Gene Expression in Preimplantation Mouse Embryos; Diane Worrad, biology, Penn; noon; Hirst Auditorium, First Floor Dulles Bldg., HUP; (Reproductive Biology).

Social Equality, Physical Restraints on Mobility, and the Black Public Sphere; Regina Austin, Law School; 4:30 p.m.; 3808 Walnut Street (Center for the Study of Black Literature and Culture).

26 Ockham's Razor and Chemistry; Roald Hoffmann, 1981 Nobel Prize Laureate in Chemistry, Cornell; DuPont-Marshall Lecture, 5 p.m.; reception follows; Room 102, Chemistry Building (Chemistry).

27 Development of Mechanistic Biomarkers for Lead Toxicity; Joel G. Pounds, Wayne State University; 12:15 p.m.-1:45 p.m.; Room 209, Steinberg Hall-Dietrich Hall (Institute for Environmental Studies).

30 Modern Ways to Tick Off the Immune System or Novel Vaccine Approches; Dr. Hildegund C.J. Ertl, Wistar Institute; 4 p.m.; Grossman, Auditorium, Wistar (Wistar).

31 Mechanisms Underlying Subconductance States in Voltage-Dependent Ion Channels; Edward Moczydlowski, Yale; 4 p.m.; Physiology Conference Room, 4th Floor Richards Building; (Physiology)

Title TBA; Marle Ndlaye; time TBA; Cherpack Lounge, Williams Hall; information: 573-3350 (French Institute).


26 Footprints:The Lives of Jain Ascetics as Ritual Charter; L.A. Babb; Room 201, Jaffe Bldg.; open to PennCard holders only (History of Art, SAS Center for the Advanced Study of India). Originally scheduled for 3 p.m.; changed to 4:30 p.m.-6 p.m.