http://www.scientificamerican.com/article.cfm?id=how-subway-networks-evolve
http://business.time.com/2012/05/15/why-we-need-more-female-traders-on-wall-street/?xid=rss-topstories&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+time%2Ftopstories+%28TIME%3A+Top+Stories%29&utm_content=Google+Reader
http://business.time.com/2012/05/15/why-we-need-more-female-traders-on-wall-street/?xid=rss-topstories&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+time%2Ftopstories+%28TIME%3A+Top+Stories%29&utm_content=Google+Reader
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