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:Are we actually ALONE? Experts find NO EVIDENCE of alien life in our universeFacebook to design technology that allows you to TYPE with your BRAINOp-Ed Contributor: Science Needs Your CellsRobert Sadoff, Psychiatrist Who Assessed Murder Defendants, Dies at 81ScienceTake: No Oxygen? The Naked Mole Rat Might Not CareSHOCK STUDY: Scientists discover what really happens to those taking LSD