News

  1. Space

    New window on the high-energy universe

    New telescope finds strange behavior in gamma-ray bursts, and also documents the highest energy burst known.

    By Ron Cowen
  2. Tech

    Catalyst knocks out a smog maker

    Unique system could help truckers meet new emissions standards.

    By Janet Raloff
  3. Plants

    Animals’ jaundice pigment found in plants

    Bilirubin, a compound well known in animals, gives seed fuzz its intense orange.

    By Susan Milius
  4. Physics

    Physics could unite plankton

    Oceanic version of wind shear can disorient marine microorganisms and trigger formation of thin, densely populated layers.

    By Sid Perkins
  5. Life

    Anti-aging: A little stress may keep cells youthful

    The aging-related Sirtuin 1 protein also regulates heat shock response, a mechanism cells use to combat stress.