Speaker: Dr. Uri Alon, Weizmann Institute. Hosted by Pulin Li. Title: "Mathematical Essence of Aging." The Biology Colloquium is a weekly seminar held throughout the academic year, featuring distinguished speakers in many areas of the biological sciences, from universities and institutions worldwide. More information on speakers, their affiliations, and titles of their talks will be added as available. The Colloquium will zoom at 4:00PM  Tuesdays during the school year. Contact: Linda Earle lkn@mit.edu