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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.

  • Young Students Recognize a Transitional Fossil

    Young Students Recognize a Transitional Fossil

    Clip

    (4 min 44 sec) Neil Shubin brought the fossil of Tiktaalik to his daughter’s first grade class to see what the students would make of it.

  • Fossils, Genes, and Mousetraps

    Fossils, Genes, and Mousetraps

    Lecture

    (1 hr 28 min 24 sec) Leading evolution educator Ken Miller discusses the controversy surrounding the teaching of evolution.

  • From Butterflies to Humans

    From Butterflies to Humans

    Lecture

    (58 min 30 sec) How and why butterflies and fruit flies got their spots, and the fossil record for human evolution.

  • Fossils, Genes, and Embryos

    Fossils, Genes, and Embryos

    Lecture

    (58 min 30 sec) The genetic mechanisms by which evolution occurs, and an overview of the evidence for evolutionary theory.

  • Evolution: Constant Change and Common Threads

    Evolution: Constant Change and Common Threads

    Lecture

    How has the amazing diversity of plants and animals evolved? What can fossils, butterflies, and stickleback fish tell us about the deep common ancestry of all living forms?

  • Stickleback Environment

    Stickleback Environment

    Clip

    (1 min 27 sec) At the end of the ice age, the retreating ice sheet created many new lakes, some of which were colonized by sticklebacks.

  • Fossil Record of Stickleback Evolution

    Fossil Record of Stickleback Evolution

    Clip

    (2 min 34 sec) A quarry site in Nevada carries the evolutionary history of a population of stickleback fish that resided there when it was a freshwater lake.