Science you can really dig!  Join us for The Last Days of the Dinosaurs with Richard Wade (Mark Taper Auditorium, 1 and 2:15 pm); plus hands-on science activities from the California Science Center, activities for babies, toddlers, and preschoolers, STAR volunteer readers, and much, much more!  (Thornton & Children’s Courtyards, 1-3 pm)