Story URL: http://news.medill.northwestern.edu/chicago/news.aspx?id=37891
Story Retrieval Date: 2/9/2010 8:10:26 PM CST
It used to be that nature meant tranquility -- a chance for some peace and quiet. But not this summer. Thanks to those raucous cicadas, the sound of the Dan Ryan at rush hour will soon be more soothing than that of any green space the city has to offer. Get away from the 17-year din at the butterfly haven at the Peggy Notebaert Nature Museum, where only the most silent critters are allowed to roam.