Uncategorized

  1. Math

    Jazzing Up Euclid’s Algorithm

    Earlier this year, the journal Computing in Science & Engineering (CISE) published a list of the top 10 algorithms of the century (see http://computer.org/cise/articles/Top_Algorithms.htm). “Computational algorithms are probably as old as civilization,” Francis Sullivan of the Institute for Defense Analyses’ Center for Computing Sciences in Bowie, Md. noted in an editorial in the January/February issue […]

    By Ivars Peterson

  2. Biological clock study challenged

    A report disputes the controversial notion that bright light applied to skin can reset a person's biological clock.

    By John Travis
  3. Health & Medicine

    Worm genes take on bacterial foes

    Creatures as simple as worms have an effective immune defense.

    By John Travis
  4. Archaeology

    Ancient birth brick emerges in Egypt

    Investigations at a 3,700-year-old Egyptian town have yielded a painted brick that was used in childbirth rituals.