In my process of looking for articles to write my essay on, I stumbled upon this article, check it out.
http://sfgate.com/cgi-bin/article.cgi?f=/c/a/2006/03/12/PKGU8HHOEL1.DTL&hw=hyphy&sn=001&sc=1000
http://sfgate.com/cgi-bin/article.cgi?f=/c/a/2006/03/12/PKGU8HHOEL1.DTL&hw=hyphy&sn=001&sc=1000