http://blogs.discovermagazine.com/80beats/2008/07/25/evolutionary-boom-in-the-cretaceous-period-left-out-dinosaurs/ 80beats is DISCOVER's news aggregator, weaving together the choicest tidbits from the best articles covering the day\'s most compelling topics. Sat, 22 Nov 2008 22:49:33 +0000 http://wordpress.org/?v=2.3.1