Les Enterline speaks on Good Clinical Practices for Clinical Investigators as part of the Arizona Clinical Research Training Program Bioethics Symposium at 2 p.m. in the Kiewit Auditorium.

The UA volleyball team takes on Pac-10 foe UCLA at 7 p.m. in the McKale Memorial Center. Tickets are $6 for the public, faculty and staff, $4 for seniors, and $3 for students with a CatCard.

National Geographic writer William Kittredge will speak tonight at 7:30 at the Aerospace and Mechanical Engineering building, Room 202.

The International Arts Society Film Series presents "Sexy Beast" at 7:30 p.m. in the Modern Languages Auditorium.