News

  1. Tech

    Nuke batteries get more practical

    Nuclear batteries that will last for decades may have moved closer to reality with the demonstration of a silicon chip riddled with radioactive, tritium-filled pits where radiation is efficiently converted to electricity.

    By Peter Weiss
  2. Health & Medicine

    Shot in the gut

    A mystifying case of lead poisoning, which may have lasted more than a decade, turned out to have been caused by a swallowed shotgun pellet.

    By Ben Harder
  3. Tech

    Carbon nanotubes drive X-ray scanner

    X-ray scanners based on carbon nanotubes could make airport luggage screening and high-tech medical imaging more efficient.

    By Alexandra Goho
  4. Health & Medicine

    Enzyme stopper combats cancers

    An experimental drug combination that inhibits an enzyme that's abundant in tumor cells shows promise against several cancers.