Uncategorized

  1. Physics

    Quantum quirks quicken thorny searches

    A researcher has come up with a quantum algorithm for identifying one or more items in a large, unsorted database when complete information about the search target is unavailable.

    By Ivars Peterson
  2. Earth

    Future Looks Cloudy for Arctic Ozone

    Clouds that drive ozone loss in the Antarctic turned up in force during the most recent Arctic winter.

    By Jessica Gorman
  3. Health & Medicine

    Gene change linked to poor memory

    A subtle change in a gene encoding a brain chemical may give some people better memory skills than others.

    By John Travis
  4. Health & Medicine

    Slow brain repair seen in Huntington’s

    In people with Huntington's disease, the brain tries to replace dying nerve cells.