News

  1. Astronomy

    X rays trace fierce stellar winds

    A high-resolution X-ray view of the Rosette nebula, a nearby star-forming region, has revealed for the first time that the stellar winds from massive stars heat surrounding gas to a scorching 6 million kelvins.

    By Ron Cowen
  2. Chemistry

    Novel material fights against cavities

    A new material that dentists might eventually put under fillings and braces secretes calcium and phosphate ions to rebuild teeth as cavities form.

    By Jessica Gorman
  3. Chemistry

    Argon keeps chips and lettuce crisp

    A new technique replaces the air in food packages with argon instead of widely used nitrogen, improving taste and shelf life.

    By Jessica Gorman
  4. Chemistry

    Tiny spheres may deliver oral insulin

    Researchers have developed microscopic spheres that can sneak insulin past the stomach so it can be absorbed in the small intestine.