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  • The Origin of Flight: What Use Is Half a Wing?

    The Origin of Flight: What Use Is Half a Wing?

    Scientists at Work

    (8 min 16 sec) Biologist Ken Dial's study of how young birds use their developing wings sheds light on the evolution of flight in birds.

  • Mass Extinction: Life at the Brink

    Mass Extinction: Life at the Brink

    Feature Films

    Five times in Earth’s past, the vast majority of plant and animal species have been annihilated in a geologic instant. What triggered these dramatic events, and what might they tell us about the fate of our world?

  • Episode 1: Your Inner Fish

    Episode 1: Your Inner Fish

    Feature Films

    (54 min 41 sec) See how the genetic legacy of a fish can be seen today in our own DNA. PLEASE N​OTE: Due to international distribution restrictions, these programs can only be streamed in the United States and Canada.

  • Great Transitions: The Origin of Birds

    Great Transitions: The Origin of Birds

    Short Films

    (18 min 59 sec) In the second film of the Great Transitions trilogy, paleontologist Julia Clarke takes us on a journey to uncover the evidence that birds descended from dinosaurs. Also available in Spanish.

  • Anthony Barnosky and Kaitlin Maguire Measure Mammal Extinctions at the John Day Fossil Beds

    Anthony Barnosky and Kaitlin Maguire Measure Mammal Extinctions at the John Day Fossil Beds

    Scientists at Work

    (9 min 15 sec) Prehistoric extinction rates are calculated from fossil data in a paleodatabase and compared to today’s extinction rate.

  • Great Transitions: The Origin of Tetrapods

    Great Transitions: The Origin of Tetrapods

    Short Films

    (17 min 11 sec) One of the most exciting discoveries in the long history of fossil exploration is Tiktaalik, a creature with a mix of features common to fish and four-legged animals, or tetrapods.

  • The Day the Mesozoic Died

    The Day the Mesozoic Died

    Short Films

    (33 min 43 sec) The disappearance of the dinosaurs at the end of the Cretaceous period posed one of the greatest, long-standing scientific mysteries. This three-act film tells the story of the extraordinary detective work that solved it. Also available in Spanish.

  • Stratigraphic Principles

    Stratigraphic Principles

    Clips

    (2 min 21 sec) Dr. John Shea demonstrates the two main principles in the study of rock layers: superposition and association.

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