23 The Study of African American Problems: in honor of W.E.B. Du Bois.


18 Black Republic/Guduldo Woorichurum (Park Kwang-Su, Korean w/ English subtitles); 7 p.m.; Stiteler Hall B-21 (Center for East Asian Studies).


17 Powerful Presentation Skills; workshop for staff who deliver presentations on the job; 9 a.m.-5 p.m.; Training Center, 1B South, 3624 Market St.; $165; registration: www.hr.upenn.edu/trainreg/ or 573-8663 (Human Resources). Through February 18.


19 Men's Ice Hockey; 5:15-7:45 p.m., Class of 1923 Ice Rink.


17 X-ray Crystallographic Studies of Eukaryotic Gene Expression; Stephen Burley, Rockefeller University, Howard Hughes Medical Institute; 4 p.m.; Grossman Auditorium (Wistar Institute).

17 The Origin and Development of Body Image; Gary Foster, Penn Weight and Eating Disorders Program; 7:30 p.m.; Private Dining Room, Kings Court/English House (Perspectives in Humanities).

18 Losing the Way: The Waning of Confucianism in 18th Century Korea; Milan Hejtmanek, Harvard; 4:30 p.m.; Stiteler Hall B-26 (Center for East Asian Studies).

18 Chimera and Co-Citations; Sulan Kolotan and William MacDonald, Kolotan/MacDonald Studio; Columbia; 6 p.m.; Meyerson Hall B-1 (GSFA).

19 Structure and Function of the Myosin Motor: Fitting Form to Function; Michael Geeves, University of Kent, U.K.; 2 p.m.; Physiology Department Conference Room, 4th floor, Richards Bldg. (Pennsylvania Muscle Institute).

19 Pop Art at the 1964-65 New York World's Fair; Kristin Fedders, 3 p.m.; 201 Jaffe Bldg. (History of Art).

22 Molecular Genetic Dissection of Clathrin Coat Function; Terry O'Halloran, Duke Medical Center; 2 p.m.; Physiology Conference Room, Richards Bldg. (Pennsylvania Muscle Institute).

22 The Contested Epidemiology and Natural History of Breast Cancer Since 1900; Robert Aronowitz, visiting scholar; 4 p.m.; room 392, Logan Hall (History and Sociology of Science).

22 Body Matters: Appearance, Virtue, and Career in Medieval China; Yang Lu, Princeton; 4:30 p.m.; room 110, Annenberg School (Center for East Asian Studies).

22 Visiting Artist Series; Deborah Kahn, painter; 5 p.m.; White Room, Morgan Bldg. (GSFA).

23 RNA Polymerase II Transcription: Structure, Mechanism and Regulation; Roger Kornberg, Stanford School of Medicine; noon; Grossman Auditorium (Wistar Institute).

23 Eating at Penn; Janelle Brodsky, Panhellenic Council; 7:30 p.m.; Class of '38 Lounge, Kings Court/English House (Perspectives in Humanities).

Deadline: The deadline for the Update At Penn is a week before the date of publication.

Almanac, Vol. 45, No. 20, February 16, 1999