August 3, 2009, 10am PDT
Urban sounds can have an effect on people -- both physically and mentally. This sonic tour through New York City examines how sounds affect urbanites.
September 7, 2008, 5am PDT
This piece from <em>Discover</em> looks at the iconic "invisible" things that define cities -- like Seattle's clouds, Houston's air conditioning, and L.A.'s Botox.
April 16, 2008, 2pm PDT
<p>This article from <em>Discover</em> takes a tour of Bodie, California, a gold-mining mountain ghost town, where the entire city is in a state of "arrested decay".</p>
April 10, 2005, 5am PDT
University of Southern California professor is working on a machine that could build houses.