ENTERTAINMENT

• Stargazing for professor George Gehrel's class. Three or four telescopes will be set up for stargazing on the east side of the UA Mall. 5:30 p.m. to 8:30 p.m.

SEMINARS

• "Atopy: Is It Good For Your Lungs?" Part of the Benjamin Burrows Lung Immunology Seminar Series. Dr. Duane Sherrill, professor, director of biostatistics, director of Arizona Clinical Research Training Program at the Mel and Enid Zuckerman College of Public Health. 4:30 p.m. University Medical Center, AHSC 2343 Burbank Conference Room

MALL EVENTS AND INFORMATION TABLES

• Spring Vendor Fair. Find out what the Tucson community has to offer to outfit your dorm room, your wardrobe, your bank account and everything in between. There will be free samples from many vendors and the opportunity to set foot in the mall space without leaving campus. 9 a.m.

• Poster sales: Sponsored by Students for a Free Tibet. 8 a.m. to 5 p.m.

• Campus Crusade for Christ. 9 a.m. to 2 p.m.

• No more deaths. 10 a.m. to 2 p.m.

• Intervarsity Christian Fellowship. 11 a.m. to 1 p.m.

• Young Life. 9 a.m. to 2 p.m.

• Baptist Student Union. 10 a.m. to 2 p.m.