3:00 ORGANIC SEMINAR: From Organic Dynamics to Solvent-Free Synthesis in Organic Crystals and Other Ordered Media, Professor Miguel A. Garcia-Garibay, Department of Chemistry and Biochemistry, UCLA. 3:00 P.M., Molecular Science Building, Room 3440.

4:00 CHEMICAL PHYSICS SEMINAR: Spectral Estimation: the Road to NMR, Professor Daniel Neuhauser, Department of Chemistry and Biochemistry, UCLA. 4:00 P.M., Room 3069, Young Hall.

7:30 INORGANIC CHEMISTRY RESEARCH SEMINAR: Professor Richard B. Kaner, Department of Chemistry and Biochemistry, UCLA. 7:30 P.M., Room 3069, Young Hall.

4:00 BIOCHEMISTRY SEMINAR: Carotenoid/Tocopherol Synthesis and Functions: Insights from a Molecular Genetic Approach in Arabidopsis, Professor Dean DellaPenna, Department of Biochemistry, University of Nevada, Reno. 4:00 P.M., Room 325, Botany.

4:00 BIOCHEMISTRY/BIOLOGICAL CHEMISTRY/MOLECULAR BIOLOGY SEMINAR: Circadian Rhythms of Gene Expression in Cyanobacteria, Professor Susan S. Golden, Department of Biology, Texas A&M University, College Station TX. 4:00 P.M., Room 73-105, CHS.

5:00 ORGANIC COLLOQUIUM: Nickel-Catalyzed Cyclizations and Multicomponent Couplings, Professor John Montgomery, Department of Chemistry, Wayne State University. 5:00 P.M., Molecular Science Building, Room 3440.

3:30 CHEMISTRY 268 SEMINAR: Professor Joan Valentine and Professor Juli Feigon, Department of Chemistry and Biochemistry, UCLA. 3:30 P.M., Molecular Science Building, Room 3440.

CHEMYSTERY: How is the speed of sound in an ideal gas related to the mean speed of its molecules?