Speaker: Dr. Omer Yilmaz, MIT.  Hosted by Alan Grossman  Title:  "Dietary control of intestinal stem cells in physiology and disease." 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 fall school year. Contact: Magaret Cabral, mcabral1@mit.edu