MassBay Community College will host its bi-annual STEM Expo, 11AM-Noon on December 13 at its Wellesley Hills campus cafeteria (50 Oakland Street) to showcase the accomplishments of students and faculty.  It’s free and open to the public. Topics include Engineering Design, Robotics, Game Programming, Cyber Security, Protein Purification, Biotechnology, and Statistics and Quantitative Reasoning.