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:Alien search receives huge boost thanks to new ET hunting toolCERN announces EVER BIGGER Large Hadron Collider in quest to find more 'God particles'Andrew Wheeler, Trump’s Choice to Lead the E.P.A., Faces Senate Confirmation QuestioningBlack hole DEVOURING everything in its path DISCOVERED near centre of Milky WayJean Bourgain, Problem-Conquering Mathematician, Is Dead at 64Russian group’s plan to RUIN night sky by putting adverts in low-Earth orbit