Uncategorized

  1. Health & Medicine

    DNA Differences Add Risk: Altered genes show up in Lou Gehrig’s disease

    People with amyotrophic lateral sclerosis (ALS) are more likely than healthy people to have certain variations in the vascular endothelial growth factor (VEGF) gene, suggesting variant VEGF contributes to the disease.

    By Nathan Seppa
  2. Tech

    Soft blow hardens Columbia-disaster theory

    By blasting a gaping hole in a shuttle wing with a block of foam fired from a gun, a NASA investigative team appears to have confirmed the leading theory of what caused the Feb. 1 destruction of the space shuttle Columbia.

    By Peter Weiss

  3. 19331

    Since “most pleural abnormalities don’t actually interfere with lung function,” the statement that dangerous asbestos exposures extended beyond the workplace in Libby, Mont.,