Today on Campus

• Discuss "Nonlinear Optics of Circular-Grating Distributed-Feedback Semiconductor Lasers" in Room 554 of the Meinel Building. Keith J. Kasunic will begin this optical science talk at 11 a.m.

• Deborah Dominigue of the Lunar and Planetary Institute in Houston will present a colloquium covering icy space issues from 3:30 to 4:30 p.m. in Room 308 of the Space Sciences building. Dominigue will discuss "Sixteen Years of Observations of the Icy Galilean Satellites with IUE: Any Temporal Variability?"

• Discover "The Effects of a School-Based Cognitive-Behavioral Intervention Program on the Depression Scores of Sixth Grade Students: A Comparison Outcome Study." Lois I. Bursuk will lead this lesson in the Education building, Room 312 at 2 p.m.

- compiled by Kate Longworth