In this Student View column, Ethan Beltrand ’24 shares why he signed up to become a stem cell and bone marrow donor — and the action that he took when the call came that he was a match for someone in need. As I made my way through the Minnesota State Fair in August 2022, a sign with the words “Save a life, donate stem cells” grabbed my attention. I had just gotten back from spending 12 weeks in Denver at the University of Colorado School of Medicine, doing research on using stem cells for musculoskeletal regenerative medicine, so I…