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  • What Is Fat?

    What Is Fat?

    Poster

    The poster from the 2004 Holiday Lectures on Science, The Science of Fat. See how fat is stored and metabolized. (This poster is designed to printed at a maximum size of 29.5" x 23.5".)

  • The Science of Fat

    The Science of Fat

    Lecture

    In the 2004 Holiday Lectures on Science, HHMI investigators Ronald M. Evans and Jeffrey M. Friedman discuss how the body regulates weight by carefully controlling the storage and burning of fat—and how a better understanding of these complex metabolic systems could lead researchers to treatments that curb obesity and improve public health. Awards 2006 Telly Awards; Silver

  • Leptin Feedback Control System

    Leptin Feedback Control System

    Animation

    (1 min 1 sec) Demonstrates how changes in the amount of fat tissue lead to changes in leptin levels and thus changes in appetite.

  • PPAR-gamma Activation in the Fat Cell

    PPAR-gamma Activation in the Fat Cell

    Animation

    (2 min 49 sec) The PPAR-gamma receptor activates certain genes in a fat cell, resulting in the storage of fat and changes in hormone levels.