“Body Carnival: The Science and Fun of Being You,” through Sept. 1 at the museum, 315 E. Main St., Johnson City. Hours are 9 a.m.-5 p.m., Tues.-Fri.; 10 a.m.-5 p.m., Sat.; and 1-5 p.m., Sun. Admission: $8, adults and children 3 and older; free, members and children 2 and younger. Call (423) 434-HAND or visit www.handsonmuseum.org.