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  • How We Get Our Skin Color Interactive

    How We Get Our Skin Color Interactive

    Interactive Videos

    (3 min 32 sec) This interactive animation about the biology of skin color provides stop points at which students can further explore the material through additional text and illustrations, videos, questions, and simple interactive widgets.

  • How We Get Our Skin Color

    How We Get Our Skin Color

    Animations

    (3 min 32 sec) This engaging animation shows how human skin cells produce the pigment melanin, which gives skin its color. 

  • Prialt blocks motor synapse in fish

    Prialt blocks motor synapse in fish

    Animations

    (2 min 31 sec) Prialt, a drug derived from cone snail venom, paralyzes fish by blocking calcium channels at a motor synapse.

  • Demo: Electrical measurement of muscle activity

    Demo: Electrical measurement of muscle activity

    Clips

    (2 min 10 sec) A live recording of muscle activity from Dr. Jessell's biceps and triceps muscles.

  • Tissue Regeneration in Animals

    Tissue Regeneration in Animals

    Click & Learn

    An overview and comparison of different regenerative capabilities in many different organisms.