This solo exhibition is a culmination of 10 months' work by the Prichard Art Gallery's first artist in residence, Gerri Sayler. "Dark Matter" is a site-specific installation with large and small works inspired by the artist's passion for the geophysical history of the Northwest's landscapes. Oct. 26-Dec. 23; opening reception Oct. 26, 5-7 pm. Gallery talk Oct. 27, 1-3 pm. Otherwise open Tue-Sat 10 am-8 pm and Sun 10 am-6 pm.