Search Results

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Showing 1-10 of 10 Resources
  • Ocean Species Respond to Climate Change

    Ocean Species Respond to Climate Change

    Lecture

    (29 min 39 sec) Coral reefs, how they are threatened by climate change, and how to protect them.

  • Understanding Embryonic Stem Cells

    Understanding Embryonic Stem Cells

    Lecture

    (58 min 27 sec) An overview of embryonic development, the progressive differentiation of cells, and properties of embryonic stem cells.

  • Sex and Death: Too Much of a Good Thing

    Sex and Death: Too Much of a Good Thing

    Lecture

    (59 min 6 sec) Having too many chromosomes can lead to too much gene expression. Dr. Meyer explains how the gene that controls dosage compensation in C. elegans works.

  • Hermaphrodites: The Safer Sex

    Hermaphrodites: The Safer Sex

    Lecture

    (56 min 32 sec) Dr. Barbara Meyer explains the value of studying model organisms and introduces the nematode C. elegans.

  • The Mammalian Timekeeper

    The Mammalian Timekeeper

    Lecture

    (57 min 50 sec) Dr. Takahashi describes the powerful strategies that he and others have harnessed for understanding biological clocks in mammals.

  • PERfect TIMing

    PERfect TIMing

    Lecture

    (57 min 32 sec) Dr. Rosbash discloses how scientists have persuaded Mother Nature to reveal the inner workings of the fruit fly's biological clock.

  • Unwinding Clock Genetics

    Unwinding Clock Genetics

    Lecture

    (56 min 42 sec) Although tiny in size, the fruit fly has had a major impact on our understanding of circadian rhythms.

  • Clockwork Genes: Discoveries in Biological Time

    Clockwork Genes: Discoveries in Biological Time

    Lecture

    Four lectures highlight the research of two scientists who have made groundbreaking discoveries elucidating the molecular basis of circadian clocks—the internal timekeepers that govern fluctuations in behavior and physiology on a 24-hour cycle.

  • How Immune Cells Create Trillions of Receptors from a Few Hundred Parts

    How Immune Cells Create Trillions of Receptors from a Few Hundred Parts

    Lecture

    (59 min 48 sec) The human body has at least a trillion ways of recognizing that something foreign has invaded.

  • The Double Life of RNA

    The Double Life of RNA

    Lecture

    In four lectures, Nobel laureate Thomas R. Cech, PhD, discusses the ability of RNA to act as more than just an intermediary between DNA and proteins.