News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   Jeff T. Green/Getty Images |   Come Dam or High Water A chinook salmon, along with a school of shad, pass through the viewing room at McNary Lock and Dam on the Columbia River near Umatilla, Oregon. A new study published in the journal PloS Biology suggests measures to help salmon navigate dams on the Columbia and Snake Rivers are working. | Video: Discovery Animals   « back to article

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