Uncategorized

  1. Earth

    Flaws make it a geologist’s best friend

    By analyzing some of a diamond's trapped impurities, researchers were able to measure remnants of the gargantuan pressure that produced the gem.

    By Sid Perkins
  2. Health & Medicine

    AIDS Vaccine Tests Well in Monkeys

    An experimental AIDS vaccine bolstered with two immune proteins protects rhesus monkeys from the disease even when they are exposed to a combination of simian and human immunodeficiency virus.

    By Nathan Seppa
  3. Math

    Mapping Scientific Frontiers

    Can computer visualization help identify turning points and milestones in scientific discovery?

    By Ivars Peterson
  4. Humans

    Letters from the March 13, 2004, issue of Science News

    Dry hole? “Tapping sun’s light and heat to make hydrogen” (SN: 1/17/04, p.