Uncategorized

  1. Physics

    Europium’s superconductivity demonstrated

    A rare earth metal is the 53rd naturally occurring element to possess the property.

    By Laura Sanders
  2. Humans

    An unusual budget cycle

    The first Obama budget rolled out slowly and in atypical fashion.

    By Janet Raloff
  3. Paleontology

    Ancient fish with killer bite

    Dunkleosteus clamped down on prey with three-quarters-of-a-ton bite force.

    By Sid Perkins
  4. Humans

    Science News at ISEF 2009

    Highlights from the 2009 Intel Science and Engineering Fair in Reno, Nev.

    By Science News
  5. Space

    Last Hubble rendezvous

    During five successful space walks, astronauts repaired and rejuvenated the Hubble Space Telescope.