The Unseen City Icons

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.
September 7, 2008, 5am PDT | Nate Berg
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The article also looks at the invisible famous aspects of Chicago and Philadelphia.

"The winter curse of deep snowfalls in Chicago is due to its location on the shores of Lake Michigan. When winds from the north or northeast bring cold Arctic air over the relatively warm water above the lake, the incoming air is heated and picks up moisture. The air rises and forms clouds filled with snow, which then produce heavy showers downwind of the shore."

"Do you like your Philly cheese steaks with "whiz?" Part of the key to this creamy yellow dip are emulsifiers, which help keep all of the ingredients mixed together instead of separating out. In the case of many salad dressings, mustard is the emulsifier that keeps oil and vinegar in happy union."

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Published on Friday, September 5, 2008 in Discover
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