News

  1. 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
  2. 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
  3. 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
  4. 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.