Framingham State University’s Christa McAuliffe Center seeks presenters and volunteers for the second annual Science on State Street festival on April 27, 11AM-3PM, on its campus (directions). It’s free and open to all ages, with hands-on activities (in biology, chemistry, physics, food science, robotics and engineering), featured presentations by FSU faculty and invited scientists, conversations and performances that explore the interaction between science and the arts, and planetarium programs. Sign up now if you’d like to be an exhibitor or volunteer.