Student Union Memorial Center's birthday. Free cake! Noon - 1 p.m. UA Mall

Tunnel of Oppression. If you've never been through it, no words can describe it. 6 p.m. - 9 p.m. Kaibab-Huachuca Residence Hall

Entertainment

Charles Darwin Experience. Improvisational comedy. 10 p.m. Park Student Union, Dining Area

Groovin' on the Grass - Kubist Hall. Noon - 1 p.m. UA Mall

"The Dukes of Hazzard." "Good Old Boy" cousins Bo and Luke Duke, with the help of Uncle Jesse and their eye-catching cousin Daisy, try and save the family farm from being destroyed by Hazzard County's corrupt commissioner Boss Hogg. $3. 7 p.m. and 10 p.m. Gallagher Theater

UApresents - "Oklahoma!" "Oh what a beautiful musical!" the New York Post said. "Oklahoma!" Won the Pulitzer Prize for Drama in 1944 and was the first collaboration for Rodgers and Hammerstein. $38 - $60. 7:30 p.m. Centennial Hall

Seminars

Thursday Artbuzz - "The Kingan Collection: Mood and Atmosphere in American Art" with art history professor Sarah Moore. Highlights romantic evocations of American landscapes by Henry Ward Ranger, Robert Cranell Minor, George Inness and others. 2 p.m. UA Museum of Art

"Structural Monitoring with Fiber Bragg Grating Strain Sensor Array and Optical Frequency Domain Reflectometry," by Abdeq Abdi. 2 p.m. Optical Sciences building

"Evolution and Function of Complex Signaling in the wolf spider genus Schizocosa," by Dr. Eileen Hebets, University of Nebraska. 4 p.m. Marley building, Room 230

"Effects of Gravity Modulation on the Instability of Double-Diffusive Convection in a Horizontal Tank," by Youmin Yu. 4 p.m. Aerospace and Mechanical Engineering building, Room S212