Uncategorized

  1. Health & Medicine

    Tracking busy genes to get at cancer

    By identifying which genes are overactive in certain breast tumors, researchers have discovered a genetic signature that could help doctors predict if and when a woman's cancer might spread to her lungs.

    By Nathan Seppa
  2. Tech

    Roughing up counterfeiters

    A new anticounterfeiting scheme generates unique, reproducible identity codes that could be used to authenticate passports, credit cards, and other items on the basis of inherent, microscopic irregularities in the items' surfaces.

    By Peter Weiss
  3. Astronomy

    Big sky

    The biggest survey of the heavens just got bigger when the Sloan Digital Sky Survey received a 3-year extension.

    By Ron Cowen
  4. Health & Medicine

    Potent Medicine

    Drugs now used to treat erectile dysfunction might soon assume multiple roles in managing heart disease and other conditions, including some that affect women and infants.