Uncategorized

  1. Physics

    Pas de deux for a three-scoop particle

    Physicists have discovered the first particle containing one member of each of the three families of quarks.

    By Davide Castelvecchi
  2. Health & Medicine

    Linking stress and senility

    A gene that's active in the brain may help explain why emotional stress seems to increase a person's likelihood of getting Alzheimer's disease.

    By Patrick Barry
  3. Humans

    Letters from the July 7, 2007, issue of Science News

    Hex sine? The NASA researchers baffled by the hexagonal shape in Saturn’s soupy atmosphere at its northern pole (“A hexagon on the ringed planet,” SN: 4/28/07, p. 269) should read “As waters part, polygons appear” (SN: 6/3/06, p.