Speaker: Dr. David Sherwood, Duke University, Title: “Looking outside the cell—a new in vivo basement membrane toolkit”, Host by Richard O. Hynes. 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: Linda Earle lkn@mit.edu