The Earth and Environmental Science Department will host Dr. Paul Winberry of Central Washington University for the weekly seminar. Winberry will present, "Polar Seismology: Buried Continents and Dynamic Ice Sheets." Sponsored by the Department of Earth & Environmental Science and N.M. Bureau of Geology and Mineral Resources. Hosted by Dr. Glenn Spinelli and Steve Bernsen. 4 p.m. in MSEC 101.