• The School of Music and Dance presents a faculty guitar recital at 11 a.m. in Crowder Hall. Keith Johnson and Mark Rush present chamber music at 8 p.m. in Crowder Hall. Tickets are $8, $5 for UA staff, and $3 for students and seniors.

• The College of Law, located at East Speedway Boulevard and North Mountain Avenue, sponsors the American Red Cross Bloodmobile from 10 a.m. to 1 p.m. University Medical Center, 1501 N. Campbell, sponsors the Bloodmobile from 7:30 a.m. to 4:30 p.m.

• The Arizona Archaeological and Historical Society presents "The Prehistory of the Southeastern Sierra Ancha," a slide show/talk by Rich Lange at 7:30 p.m. in the University Medical Center's DuVal Auditorium, 1501 N. Campbell Ave.

• Gallagher Theatre shows "Nixon" today through Thursday at 8 p.m.

• The Main Library presents "Introduction to the Internet," a computer workshop from 6 to 8 p.m. in Room A315.

• "Caught in the Web: The World Wide Web as an Information Resource," an exhibit in the Main Library's lobby continues through the end of the month. The exhibit includes about 100 homepages and shows how the Internet is being used as an informa tion resource.

• Two Chiapan, Mexican women present "Voices of Resistance," about the effects of the Zapatista uprising on women. There will be a discussion at noon in Anthropology Room 216 and an evening lecture at 7 p.m. in Education Room 331.

• The Episcopal Campus Ministry sponsors a talk on a positive, inclusive relationship between gay and lesbian people and the church at 7 p.m. in the Campus Christian Center.