Boston University’s U-Design summer STEM program has openings for students in Grades 7-9 in two of its workshops — Robo-Alley and Flight School 101 — running July 13-27, 8:30AM-4PM, at BU’s College of Engineering.  Workshops of up to 20 students will explore design, experimentation, and invention.  Cost is $425 and limited scholarships may be available for those in need.  Register online.  For more information, call 617-353-6919 or e-mail u-design@bu.edu.