The 2nd annual Wellesley Science and Technology Expo will be held March 28 at Wellesley High School, again sponsored by the Wellesley Education Foundation.  Last year, the inaugural expo drew over 3,500 students, families, teachers, and STEM professionals.  Planners now seek exhibitors, workshop hosts, and sponsors for this year’s event.  Contact WellesleySTEMExpo@gmail.com.