News

  1. Materials Science

    Pumping Carbon: Researchers watch nanofibers grow

    The first atomic-scale movies of carbon nanofiber growth show particles of a metal catalyst pulsating wildly while carbon and metal atoms scuttle across the particle’s surface.

    By Peter Weiss
  2. Health & Medicine

    Wine Surprise: Heart-protective effect is independent of antioxidants

    Two studies in mice suggest that, if wine protects against heart disease, it's probably not because of the antioxidants that the drink contains.

    By Edna Francisco
  3. Health & Medicine

    Good to the Bone: Strontium compound prevents some fractures

    An experimental drug containing strontium makes bones denser and decreases the risk of fractures, a study of elderly women finds.

    By Nathan Seppa
  4. Planetary Science

    Red Planet Roundup: Opportunity knocks; Spirit revives

    The NASA rover Opportunity bounced onto an equatorial Martian plain early on Jan.