News

  1. Health & Medicine

    Lingering legacy of Sept. 11, 2001, on firefighters’ health

    Of the New York firefighters involved in the rescue and recovery effort after last year's terrorist attacks, relatively few have developed chronic coughs and respiratory problems, but among those who did, the problems seem unusually severe.

    By Damaris Christensen
  2. Astronomy

    There’s life in the old galaxies yet

    An unexpectedly large number of supermassive black holes in old galaxy clusters suggests these elderly groupings of galaxies aren't as quiescent as had been expected.

    By Ron Cowen
  3. Materials Science

    Carbon nanotubes do some bonding

    Researchers have welded together carbon nanotubes to make junctions that could be useful in the construction of tiny electronic devices.