News

  1. 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
  2. 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

  3. A Slumber Not So Sweet: Loss of brain cells that regulate breathing may cause death during sleep

    Elderly people may die in their sleep because they gradually lose brain cells that control breathing.

    By Christen Brownlee
  4. Health & Medicine

    New Carrier: Common tick implicated in spread of fever

    The brown dog tick is capable of spreading the bacterium that causes Rocky Mountain spotted fever.