The next Ocean on Tap event will take place from 6-7 p.m. at Footbridge Brewery, 25 Granary Way, Boothbay Harbor. Ret Talbot (author) and Karen Talbot (scientific illustrator) will be speaking about Ret's latest book “Chasing Shadows,” covering the remarkable conservation success story of the Great White Shark's return to the western North Atlantic. Ocean on Tap is an informal, ocean-centric speaker series organized by researchers from Bigelow Laboratory and hosted by Footbridge Brewery.