Mathletes take fifth at Putnam competition - CMU The Tartan Online

via brain teasers - Google News http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNE9Yd-kVDDuXtHMvtwAuFxTmt1mWA&url=http://thetartan.org/2013/4/29/scitech/mathletes