Uncategorized

  1. Astronomy

    Panning Distant Dust

    Astronomers are using hundreds of newly detected debris disks found around a variety of nearby stars to hunt for planets and learn about the evolution of our solar system.

    By Ron Cowen

  2. Sound Off

    By using bits of RNA to eliminate the effects of selected genes, scientists are developing new ways to study gene function and treat diseases.

    By Christen Brownlee
  3. Humans

    Letters from the July 2, 2005, issue of Science News

    Chlorine’s fate? “Special Treatment: Tiny technology tackles mega messes” (SN: 4/23/05, p. 266), on the reaction of nanoparticles of iron with trichloroethane (TCE) contaminating an aquifer, states that the TCE is converted “into ethane.”