Events in Westport today -- Saturday, Oct. 6

Hazardous household waste collection: 9 a.m.-2 p.m. Westport/Weston Health District, 180 Bayberry Lane.

Staples boys and girls cross-country: 9:40 a.m. Wickham Park, Manchester. Varsity teams compete in Wickham Park Invitational.

"Adventures in Atomville:" 2 p.m. Westport Public Library. Co-author Cindy Schwarz, professor of physics at Vassar College, will lead a presentation for families on atoms and molecules.

"U.S. Postage Stamps by Westport Artists:" noon-4 p.m. Westport Historical Society, 25 Avery Place. New exhibit with companion, "The Road to 06880: Colonial Era to Present."

"Foodies:" noon-4 p.m. Westport Arts Center. Exhibit and related programs showcase food-themed painting, photography, sculpture and video.

Saugatuck walking tour: 4-5 p.m. meet at New York-bound side of the train station. Westport Historical Society's annual tour of the neighborhood, introduced by town historian Allen Raymond.