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  • From Butterflies to Humans

    From Butterflies to Humans


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

  • Stickleback Environment

    Stickleback Environment


    (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.