In 2012, straight out of a sci-fi novel, a Tyrannosaurus-Bataar (cousin of T-Rex) skeleton disappeared from the Gobi desert - an area rich in dinosaur fossils stretching across Mongolia and China.

Although it's been dead since the end of the Cretaceous period, the towering Tyrannosaurus bataar inside the Arizona Museum of Natural History is still terrorizing smaller creatures, albeit of the ...