• The University Activities Board presents a contemporary soft rock concert by Valerie Reigns from 11 a.m. to 1 p.m. in The Cellar in the Student Union.

• The School of Music and Dance presents a guitar area recital at 11 a.m. in Crowder Hall. Brenda van der Merwe plays the violin at her senior recital 8 p.m. in Crowder Hall.

• The Center for Insect Science presents "Quick Yet Tiny - the Insect Ruse," a discussion by Wulfila Gronenberg from the University of Wurzburg, at noon in the Life Sciences South Building, Room 340.

• Fred Fox and Auero Oliveira, two agricultural and biosystems engineering doctoral candidates, speak at a seminar at noon in Shantz Room 440. Fox speaks on "Irrigation Scheduling with Limited Information," and Oliveira speaks about "Lettuce Water Use from the Hypothetical Reference Crop Evapotranspiration."

• The Main Library presents a computer workshop about Ovid Databases (ABI-Inform, BIOSIS, Current Contents, Health Related Databases) from 11 a.m. to 12 p.m. in Room A315.