Uncategorized

  1. Health & Medicine

    Lung function still impaired by dust from World Trade Center

    Firefighters and emergency medical teams continue to have breathing problems years after the 2001 terrorist attack.

    By Nathan Seppa
  2. Chemistry

    American Chemical Society meeting highlights

    Read Science News reporters' complete coverage of the recent chemistry conference.

    By Janet Raloff and Rachel Ehrenberg
  3. Life

    Eating seaweed may have conferred special digestive powers

    Gut microbes in Japanese people may have borrowed genes for breaking down nori from marine bacteria.

    By Susan Milius
  4. Ecosystems

    Pigeons usually let best navigator take the lead

    One bird usually leads the flock, but sometimes another gets a turn at the helm.