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    • Nature: Ospreys are flying fishermen

      Nature: Ospreys are flying fishermen

      The Columbus Dispatch via Yahoo News· 3 days ago

      Between 1950 and the 1970s, osprey populations declined by 90% in some regions. As DDT gradually purged from the environment, birds of prey increased. ...

    • The rare-earth Element: Terbium

      The rare-earth Element: Terbium

      Elko Daily Free Press· 17 hours ago

      The other row, just for the record is called the actinide series and contains the familiar radioactive elements such as uranium and plutonium. Terbium is...