Uncategorized

  1. 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
  2. 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.

    By Ben Harder
  3. Paleontology

    Fine Toothcomb: New fossils add to primate-origins debate

    The discovery of 40-million-year-old teeth and jaw fragments belonging to ancient forms of lorises and bushbabies doubles the age of the fossil record for a major primate group.

    By Bruce Bower
  4. Materials Science

    A Hard Little Lesson: Squeezed nanospheres grow superstrong

    A substance not known for its hardness—silicon—becomes one of the hardest of materials when formed into ultrasmall spheres.