Dr. Sandra Hanson will deliver the Sigma Xi Distinguished Lecture on Monday, Oct. 19, at 7:30 p.m. in the Mercy Heritage Room at Mercyhurst University. Hanson, a Fellow with the Institute for Policy Research and Catholic Studies at The Catholic University of America, will speak on “Science for All? Diversity in Science in a Global Economy.” The event is free and open to the public. Sigma Xi is an international honor society for science and engineering. The northwest Pennsylvania chapter includes members from Mercyhurst, Gannon, Penn State Behrend, Edinboro, Allegheny and LECOM. For more information, contact Sarah Bennett.