Edge on Science will offer Super Science Sampler — an “all-you-can-eat buffet of applied science and engineering” for ages 8-10 — at Regis College in Waltham, June 24-28.  Each of the five days will focus on fun, educational activities in one of five areas: Chemistry & Physics, Astronomy, Biology, Engineering, and Science Fair & Beyond. Register by June 2 with promo code SUPER75 for a $75 discount.