Uncategorized

  1. Math

    Constructing Difference Engines

    Antique calculators resurface as Lego or Meccano models. For more math, visit the MathTrek blog.

    By Ivars Peterson
  2. Humans

    From the April 25, 1936, issue

    An old-fashioned tower, alcohol in fuel, and knowledge in atoms and cosmic rays.

    By Science News
  3. Planetary Science

    The Mysterious Smell of Moondust

    Long after the last Apollo astronaut left the moon, a mystery lingers: Why does moondust smell like gunpowder? In this account, astronauts describe the surprising smell and taste of moondust, which they experienced firsthand inside their lunar landers. The dust gave one astronaut a case of hay fever. Go to: http://science.nasa.gov/headlines/y2006/30jan_smellofmoondust.htm

    By Science News
  4. Health & Medicine

    Small Wonder: Taking the bite out of anthrax toxin

    Using a submicroscopic synthetic blob called a liposome, scientists have neutralized anthrax toxin in rats.