Mini Dinosaur's Keen Sense of Smell Made it Powerful Predator

It may have been small, but the newly identified dinosaur was fierce. The 75 million-year-old fossil skull, found by paleontologist Robert Sullivan in New Mexico in 1999, was thought to be from a species of raptor found in what is now Montana and Alberta - part of a family of swift, powerful predatory dinosaurs like the Velociraptor. But Steven Jasinski, a doctoral student at the University of Pennsylvania, found some subtle, but significant, differences. This dinosaur, which he...

© La Voix de l'Amérique - mercredi 13 mai 2015