News

  1. Health & Medicine

    Affairs of the Heartburn: Drugs for stomach acid may hike pneumonia risk

    Acid-blocking drugs seem to boost a person's chances of getting pneumonia.

    By Nathan Seppa
  2. Health & Medicine

    Double Credit: Iron-fortified salt cuts anemia

    A form of table salt manufactured to contain iron can fight off anemia among children living in rural North Africa and could expand the role of salt fortification around the world.

    By Ben Harder
  3. Animals

    Dangerous Times: Guppies don’t follow rules for old age

    A study of wild guppies suggests that life in a dangerous place does not automatically push evolution toward rapid aging as previously thought.

    By Susan Milius
  4. Tech

    Laser Landmark: Silicon device spans technology gap

    By coaxing a silicon microstructure into acting as a laser, engineers have achieved a long-sought and important step toward microchips capable of simultaneously manipulating electrons and light.