Rhian Waller Rhian Waller’s talk about Gulf of Maine cold-water corals at 10:30 a.m. Friday, Aug. 11 concludes the 2017 Darling Marine Center summer science seminar series. Waller, a University of Maine marine scientist and a fellow in the international Explorers Club, was featured in National Geographic Magazine in 2013 as read more Waller’s talk about cold-water corals concludes DMC summer science series