From wee rex to T. rex: modest forerunner to huge predator found

WASHINGTON (Reuters) - Fossils unearthed in northern Uzbekistan's remote Kyzylkum Desert of a smaller, older cousin of Tyrannosaurus rex are showing that the modest forerunners of that famous brute had already acquired the sophisticated brain and senses that helped make it such a horrifying predator.    Researchers said on Monday the horse-sized Cretaceous Period dinosaur, named Timurlengia euotica, that roamed Central Asia 90 million years ago sheds new light on the lineage called tyrannosaurs