Uncategorized

  1. Earth

    Cancer-fighting e-mails

    A new federal service, offered jointly by the U.S. Environmental Protection Agency and the National Weather Service, will notify individuals, via e-mail, when the sun's cancer-causing ultraviolet radiation is forecast to be unusually high.

    By Janet Raloff
  2. Health & Medicine

    Rooting out hidden HIV

    A drug called valproic acid, used in combination with other medications, can ferret out HIV that is lying dormant in cells.

    By Nathan Seppa
  3. Planetary Science

    Satellites could detect quakes on Venus

    Strong seismic activity on Venus could cause brief but detectable temperature increases high in that planet's atmosphere.

    By Sid Perkins
  4. Tech

    Body-fluid battery

    A battery that's activated by body fluids such as saliva or urine may one day power devices ranging from disposable home health-care testing kits to emergency radio transmitters that turn on with a lick.