News

  1. Climate

    Oceans warmed in recent decades

    Measurements show a trend of rising temperatures along with a leveling off since 2003.

    By Sid Perkins
  2. Animals

    Argonauts use shells as flotation devices

    The octopus relatives create their own buoyancy devices by gulping and hoarding air from the surface.

    By Susan Milius
  3. Health & Medicine

    Behavioral therapy can help kids with Tourette disorder

    A ten-week course of practicing techniques to countermand tics works better than counseling.

    By Nathan Seppa
  4. Health & Medicine

    Cell phone-cancer study an enigma

    An epidemiological study of a link between cell phone usage and brain cancer proved inconclusive.

    By Janet Raloff
  5. Health & Medicine

    Caring for a spouse with dementia leaves caregiver at risk

    Wives and husbands who attend to mates have greater chance of developing problems themselves, a new study finds.