Mara
April 21st, 2004, 12:50 pm
An asteroid may have wiped out the dinosaurs 65 million years ago not simply by changing the world's climate and causing years of dark skies, but also by causing too many of them to be born male, U.S. and British researchers said on Tuesday.
http://reuters.com/newsArticle.jhtml?type=scienceNews&storyID=4884370
http://reuters.com/newsArticle.jhtml?type=scienceNews&storyID=4884370