News

  1. Tech

    Solar Surgery: Sunlight acts like laser

    By channeling sunlight down a fiber optic cable, scientists have produced laserlike beams that can burn tumors off major organs.

    By Carol Marzuola

  2. Milestones for Malaria: Parasite, mosquito genes decoded

    Unraveling the DNA of a malaria-causing parasite and of a mosquito that carries it may suggest new ways to combat the deadly disease.

    By John Travis
  3. 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.