The UA College of Science hosts free lectures throughout the Tucson area. Tuesday, April 10, at 6 p.m.: Peter Smith of the UA Department of Planetary Science presents "Searching for Life on Mars" at Cushing Street Bar and Restaurant, 198 W. Cushing St. Wednesday, April 11, at 6 p.m.: Matt Pailes presents "Archaeological Explorations in Sonoran Mexico" at UA Science: Tumamoc Hill, 1675 W. Anklam Road. Visit
scienceconnections.arizona.edu for details and venue locations.