• The International Business Student Organization and the Center for International Students and Scholars sponsor "The Global Marketplace: U.S. Corporations and International Consumers," a culture cafe from 12 to 1 p.m. on the Mall.

• The UA Center for Transfer Students presents "La Mujer in Our Past," a presentation by Raquel Rubio-Goldsmith, adjunct lecturer for Mexican-American Studies about Latina heroines, educators and role models, from 12 to 1 p.m. in Economics Room 111.

• Tomorrow, the Undergraduate Senate and Health Promotions sponsor an alcohol-free mega party open to all ages from 10 p.m. to 2 a.m. in the Arizona Ballroom. UA Student ID is required.

• Pi Kappa Phi sponsors two rounds of Cow Bingo beginning at noon on the Mall to raise money for PUSH America.

• The Karl Eller Center's Berger Entrepreneurship Program presents the business plans finals competition from 1:30 to 5 p.m. in McClelland Hall's Berger Auditorium. Corporate leaders will judge the competition.

• The Society for Economic Geology presents its semi-annual mineral, gem and fossil sale from 9 a.m. to 6 p.m. in the Gould-Simpson lobby.

• The UA Dance Ensemble presents the UA Dance Spring Concert today and tomorrow at 8 p.m. in the Gittings Dance Theatre. A matinee concert appears Sunday at 2 p.m., also in Gittings. Tickets are $7, $5 for seniors and students.