Kevin Spencer, retired magician and humanitarian, will present his 20-minute documentary “Powerful Medicine, Simply Magic” at 7 p.m. Thursday, Nov. 12, in Room 143 Castleman Hall. Spencer’s screening and presentation will target pre-medical students, and will discuss his research in physical therapy and autism studies. At 8 p.m. he will talk with Engineers Without Borders team members about his humanitarian efforts in a small remote village in Uganda. The campus community is invited to attend both events.