http://blogs.discovermagazine.com/80beats/2008/12/01/a-clue-to-the-evolutionary-riddle-of-how-the-turtle-got-its-shell/ 80beats is DISCOVER's news aggregator, weaving together the choicest tidbits from the best articles covering the day\'s most compelling topics. Tue, 24 Nov 2009 17:24:00 -0600 http://wordpress.org/?v=2.8.4 hourly 1