Today on Campus

• Tucson's first Poet Laureate William Pitt Root will host Gallery Talk at 5:30 p.m. tonight. Join Root's "All Finite Things Reveal Infinitude," in the Center for Creative Photography.

• Calling all intramural basketball, team tennis and co-rec softball team captains: there is an Intramural Sports League Meeting this evening from 5 to 6:30 p.m. Information about the league, rules and sportsmanship will be discussed in Room 100 of the Social Sciences building. League schedules will be provided at this time.

• Graduate student Nathan Winesett will discuss "Cytochrome b5, Cytochrome P450-Partners in Action." To participate in this seminar, check Room 216 of the Chemistry and Biology Sciences building at 4 p.m. today.

• Check out the "Singularities in Three-Dimensional Euler Flow" with John Greene of San Diego. This lesson will begin today at 12:30 p.m. in the Economics building, Room 200.

• Study "Drugs of Abuse," under the direction of Raquel Gibly. The lesson will be in Room 5403 of the Arizona Health Sciences Center, beginning this morning at 9 a.m.