Uncategorized

  1. Astronomy

    Cosmic rays from the solar system

    Dust grains from the Kuiper belt, a storehouse of comets and other frozen bodies in the outer solar system, are the source of some of the lower energy cosmic rays that bombard Earth.

    By Ron Cowen
  2. Health & Medicine

    Schizophrenia spurs imaging network

    Thanks to a federal grant, a team of researchers will establish a national database of brain images that will allow for expanded investigations of the neural basis of schizophrenia.

    By Bruce Bower

  3. 19197

    The article notes that X-ray radiation from XTE J1550-54 jets is puzzling because the radiation of the nearer jet, which is moving toward Earth, isn’t as bright as that of the more distant jet.