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  1. Wayfaring Sleepers: Brain area linked to slumber-aided recall

    Enhanced activity in an inner-brain structure called the hippocampus during sleep solidifies memories of recently visited places and the routes taken to get to them.

    By Bruce Bower
  2. Tech

    Smashing the Microscope: Tiny crashes harnessed for nanoconstruction

    A new technique supplies loose atoms for nanoscale experiments by using the tip of a scanning tunneling microscope to gouge out craters from a surface.

    By David Shiga

  3. 19480

    I’m no fan of cell phones, but this seems to be an article about a solution looking for a problem. Presumably, cell phones would be disposed of in landfills and, therefore, not exactly “released” into the environment, as the article states.