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:Trilobites: How Ancient Humans Reached Remote South Pacific IslandsEarth experiencing BIGGEST MASS-EXTINCTION since the dinosaursVEGETABLE WARFARE: Bionic SPINACH being used to detect bombsA Conversation With: For Melinda Gates, Birth Control Is Women’s Way Out of PovertyWhen is the South Taurids Meteor Shower 2016? How to watch FIREBALL shooting starsAmericans Blame Obesity on Willpower, Despite Evidence It’s Genetic