4 p.m. Probability and Differential Geometry Elton P. Hsu, professor, department of mathematics. Language Ideology and the Creation of Social Boundaries Susan Gal, University of Chicago. In a desire to enhance our unique differences during this season in which Black History is commemorated, this event is open to all Northwestern women who are ready and willing to try their hand at soul food cooking. Celebrate by treating yourself to greens, Southern fried chicken, sweet potato pie and bring something to share. Music 8 p.m.
Admission is free.
Symphonic Band Stephen G. Petersen and Matthew E. Ludwig, conductors. Theatre 8 p.m. This gripping psychological drama set in post-revolutionary France explores the power of theater as a force of social change. Tickets are available at the Norris Box Office. Additional performances at 8 p.m. and 11 p.m. Feb. 17 and 18.