11 Alternate Dinosaur Extinction Theories

collegehumor.com — For centuries Man wondered what wiped out the dinosaurs millions of years ago. Then a bunch of know-it-all scientists ruined our fun and told us it was probably just a big rock from space. But that hasn't stopped science fiction from offering its own insane theories on what (or what evil alien race) killed off our reptilian predecessors. Oct 7, 2009 View in Crawl 4