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Showing 61-71 of 71 Resources
  • Repellant ephrin signals guide limb innervations

    Repellant ephrin signals guide limb innervations

    Animation

    (1 min 34 sec) The growth cone of a neuron avoids repellant molecules and navigates to innervate the appropriate muscle.

  • Tissue Regeneration in Animals

    Tissue Regeneration in Animals

    Click & Learn

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

  • Stem Cells and the End of Aging

    Stem Cells and the End of Aging

    Lecture

    (58 min 25 sec) Finding factors to reverse age-related loss of cell maintenance, and some examples of stem cell therapies.

  • 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.

  • Selection in Action

    Selection in Action

    Lecture

    (58 min 29 sec) Comparing the artificial selection of dogs and corn with the natural selection of the stickleback fish.

  • Interview with Stephanie Nuñez

    Interview with Stephanie Nuñez

    Interview

    (4 min 38 sec) An interview with Stephanie Nuñez, a student in Dr. Kingsley's lab.

  • Interview with David Kingsley

    Interview with David Kingsley

    Interview

    (4 min 42 sec) An interview with Dr. Kingsley.

  • Stickleback CT Scan

    Stickleback CT Scan

    Animation

    (38 sec) This animation shows a rotating 3-D image of a stickleback skeleton. The pelvic region, including the pelvic spines, is highlighted in red. Armored plating covers the flanks of the fish. The three prominent dorsal spines give the fish its name.

  • 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.

  • Marathon Mouse

    Marathon Mouse

    Clip

    (53 sec) Dr. Ronald Evans discusses the so-called "marathon" mouse, with a mutation in the PPAR-gamma gene, and its performance on a treadmill relative to a normal mouse.

  • Spinocerebellar Ataxia Case Study

    Spinocerebellar Ataxia Case Study

    Clip

    (3 min 30 sec) Dr. Huda Zoghbi interviews Milan Cloud, a patient who has inherited the neurological disorder spinocerebellar ataxia 1, or SCA1.

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