Like a zombie clawing its way out of the grave, a new dinosaur species was discovered when scientists spotted a hand bone protruding from a cliff in the Gobi desert of Inner Mongolia, paleontologists have announced. Called Linheraptor exquisitus, the new dinosaur is a raptor, a type of two-legged meat-eater, that lived during the late Cretaceous period in what is now northeastern China "We were looking at these very tall red sandstone walls that were all abraded by the wind, and I saw this claw sticking out of the side of the cliff," recalls Jonah Choiniere, a grad student at...