ScienceWorks Hands-On Museum will host its Mad Scientist Ball from 6:30 p.m. to midnight Saturday, July 13, at the museum, 1500 E. Main St. The fundraiser will include dinner, cocktails, an aerial performance by Le Cirque Centre, interactive science exhibits, live music by the Flat Five String Band, dancing and complimentary lab coats. Tickets cost $120, $210 for a couple, and $35 for the dance party only (9 p.m. to midnight). Tickets are available at ScienceWorks and the Music Coop. See www.madscientistball.org or call 541-482-6767 for information.