The University of Washington Astronomy Department hosts free weekly colloquia on various astronomical topics. Meetings begin at 4 p.m. in Room A-102 of the Physics/Astronomy Building. Come early for coffee and cookies at 3:45 p.m.

• May 6: The Why and How of a new Las Campanas Search for Extremely Metal-Poor Stars, George Preston, Carnegie Observatories
• May 13: Is This the Forest Primeval? Low-Z LY Alpha Clouds, John Stocke, University of Colorado
• May 20: The Formation of the Local Group by Accretion of High-Velocity Hydrogen Clouds, Leo Blitz, University of California at Berkley
• May 27: Clustering at High Redshift with the Hobby-Eberly Telescope, Gary Hill, McDonald Observatory, University of Texas at Austin