'Natovenator polydontus' is first found with streamlined ribcage for swimming and diving
                                
                                
                                    (Newser) -
                                    Paleontologists have discovered a dinosaur unlike any other known so far. Its Latin and Greek name, Natovenator polydontus, means "swimming hunter with many teeth." Yes, swimming. "I think like a swimming Velociraptor is a pretty good characterization," Philip Currie of the University of Alberta, co-author of...