Back-to-school events for college students
Sept. 24: 'What the Fluff?' Festival
To honor the birthplace of the sticky spread, invented by Archibald Query in 1917, the sixth annual What the Fluff? Festival offers events like a Fluff lick-off and a Fluffernutter relay. This year, special guests include Susan Olsen, who played Cindy Brady in "The Brady Bunch," and Lowell-born NASA astronaut Rick Linnehan.
3-7 p.m. Union Square, Somerville. www.somervilleartscouncil.org Rain date: Sept. 25.