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  • Posted on February 15, 2011
    KnowHow: how DNA profiling works

    DNA profiling can be used to transform a stray hair into a prison sentence.

  • Posted on
    Missing Piece

    Jiming Jiang is unlocking the secrets of the centromere, an overlooked region of DNA that holds the key to chromosome engineering—and a new, possibly safer approach to gene therapy

  • Posted on July 7, 2009
    KnowHow: how to see a gene work

    Peering into the microscopic world of our genes.

  • Posted on October 12, 2008
    Double-Edged Helix

    When 16-year-old Susannah Gilbert got the chance to read her DNA, it changed nothing about her life. And everything.

  • Posted on June 29, 2008
    Do these genes make me look fat?

    Scientists are probing the complex relationship between our DNA and our diets to unravel the root causes of obesity. But for those seeking a simple solution to the worldwide fat epidemic, their answers may be hard to swallow.

  • Posted on June 15, 2008
    KnowHow: how to make DNA

    Make your own set of DNA!