Uncategorized

  1. Health & Medicine

    The Vaccinia Dilemma

    To inform the current debate on who should be vaccinated for smallpox given the possibility of—or in the event of—a bioterrorism attack, researchers are using mathematical models and data from vaccination campaigns and past smallpox outbreaks.

    By Ben Harder
  2. Tech

    Building a Better Shuttle

    Researchers are working on both more heat-tolerant materials and totally new designs for vehicles that might ultimately replace the space shuttle.

    By Ron Cowen
  3. Health & Medicine

    Morbid Mystery Tour: Epidemic from China is encircling globe

    An outbreak of deadly pneumonia that apparently began in southern China spread in March to at least two other continents, including North America.