Uncategorized

  1. Planetary Science

    Roving on the Red Planet

    Scientists review the discoveries made by the Mars rovers after nearly 18 months on the Red Planet.

    By Ron Cowen
  2. Math

    Divisibility by Seven

    An ingenious, recently developed method tests if a number is divisible by 7.

    By Ivars Peterson

  3. Cockroach Study

    For students and teachers, this Web page by high school biology teacher Mary Colvard offers a lesson plan for a lab in which students look for signs of learning in cockroaches. The lesson plan includes background information about cockroaches. Go to: http://www.accessexcellence.org/AE/AEC/AEF/1995/colvard_cockroach.html

    By Science News
  4. Humans

    Letters from the May 21, 2005, issue of Science News

    Rascal rabbits Evidence of animals sensing where people are looking and what they’re seeing is interesting yet hardly new (“Monkey See, Monkey Think: Grape thefts instigate debate on primate’s mind,” SN: 3/12/05, p.