Taking Down Dams and Letting the Fish Flow On the Penobscot in Maine and other rivers in the U.S., several endangered species are rebounding with the reopening of spawning areas. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Gene Therapy Hits a Peculiar Roadblock: A Virus ShortageAs Health Care Changes, Insurers, Hospitals and Drugstores Team UpIf No One Owns the Moon, Can Anyone Make Money Up There?New Zealand faces 'deadly 9.0 magnitude EARTHQUAKE after ancient fault line awakens'As Health Care Changes, Insurers, Hospitals and Drugstores Team UpElon Musk calls for URGENT laws on robots as they will soon be RISK to public