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Penguin Expert

  • Photo: Dee Boersma

    Dee Boersma, Biologist

    When she's not studying penguins in the South Atlantic, Dr. Boersma teaches at the University of Washington.


  •  Picture of a Malayan tiger

    Pictures: Tiger Subspecies

    Scientists estimate only about 3,000 wild tigers are left in the entire world. Meet the subspecies and see what threats each is facing.

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