Uncategorized

  1. Earth

    What’s Gotten into Everybody? Survey of bodily contaminants finds encouraging declines and new exposures

    The U.S. population's exposure to lead, secondhand smoke, and certain other harmful chemicals has trended downward, but some newly measured contaminants are present in a sizable fraction of the nation's residents, according to an updated report.

    By Ben Harder
  2. Health & Medicine

    Echinacea Disappoints: There’s still no cure for the common cold

    The folk remedy echinacea shows no benefit against the common cold.

    By Nathan Seppa
  3. Planetary Science

    Cassini eyes youthful-looking Saturnian moon

    On July 14, the Cassini spacecraft came within 175 kilometers of the south polar region of Saturn's bright, tiny moon Enceladus, revealing a tortured terrain of faults, folds, and ridges.