burp

  1. tjadams

    Mass Extinction Caused by Deadly 'Earth Burp'

    Mass Extinction Caused by Deadly 'Earth Burp' By Loren Grush Published July 21, 2011 | FoxNews.com A massive, long-ago extinction was once thought to have been caused by a destructive wave of volcanic activity. Scientists now point their fingers at another culprit. A giant, deadly “Earth...