SubUrban: Tam Van Tran features the paintings and “sculptural drawings” of Tam Van Tran, a Vietnamese-born, Los Angeles–based artist who combines organic substances such as chlorophyll, spirulina algae, and beet juice with acrylic paint, canvas, paper, Wite-out liquid, foil, and metal staples. The exhibition is the latest in the Knoxville Museum of Art’s ongoing program, the SubUrban series, which serves as the first solo museum show and catalogue in the United States for emerging contemporary...