Medford: “Wings,’’ the Academy Award-winning 1927 silent film starring Clara Bow, will be presented with live accompaniment by organist Peter Krasinski. The epic World War I drama is the only silent film to win the Academy Award for Best Picture. Saturday, 7 p.m. Chevalier Theater, 30 Forest St. $10. www.chevaliertheatreorgan.org.
Nahant: Tidepool and geology walks, marine research exhibits, touch tanks, tours, children’s activities, and a beach cleanup are part of the Northeastern Marine Science Center Open House. All ages are welcome. The center is ADA accessible. Saturday, 10 a.m.-3 p.m. Northeastern University Marine Science Center, 430 Nahant Rd. Free. 781-581-7370, www.northeastern.edu/marinescience.
Peabody: The exhibit “The Peabody Effect’’ explores some of the many natives who, like George Peabody, went on to have significant influence on the world. Through Nov. 22. Peabody Institute Library, 82 Main St. Free. 978-531-0100, www.peabodylibrary.org.
Somerville: Lace up those sneakers and get ready to run at the 16th Annual Somerville Homeless Coalition 5K Road Race. Post-race brunch provided by local restaurants, awards for top finishers, free T-shirts for the first 500 registrants, live music. Saturday, 9 a.m. Davis Square, College Ave. and Holland St. $25. www.somervillehomelesscoalition.org.
Event organizers: Submit items directly to boston.com/addevents.