University of Lethbridge Pronghorn Athletics will take centre stage tonight with the annual Blue and Gold banquet in the Students' Union ballroom.

Male and female athlete of the year awards will be handed out as well as individual team honours. Expect the women's rugby team, two-time CIS national champions, to be highly decorated, as well as track star Jim Steacy, who capped off a perfect CIS career with two more national gold medals in the shot put and weight throw events.

Elsewhere on campus, the weeklong run of Tom Stoppard's Arcadia concludes with shows Friday and Saturday nights, 8 p.m. in the University Theatre. Directed by Brian Parkinson, Arcadia is considered one of the most brilliant plays of the 20th century.

The Alberta Water and Environmental Science Building serves as host site for Dr. Scott St. George's presentation, Through the Trees, Friday afternoon, 2 p.m. in room WE1001.

The Prairies are Canada's most significant dryland area and regional drought has an enormous impact on agricultural and energy production and the reliability of public water supplies. In this presentation, Dr. St. George will describe how tree rings have been used to describe the behavior of climatic and hydrological systems beyond the limited perspective offered by instrumental measurements.

The issue of vaccination risk and immunity will be explored Saturday morning, 10 a.m. in room PE250 as Mary Tocco, an independent vaccine researcher, gives a presentation. Tocco will discuss vaccine ingredients and injuries, as well as address myths around vaccines and talk about natural immune development.

Tickets for Vaccination Risk and Immunity are $10 each and available by calling 403-331-3301.

Professor Aaron Taylor and the University of Lethbridge Film Club are presenting their final screening of the semester Sunday evening. The 1955 film, Night of the Hunter, will be shown, 7 p.m. in PE275.