Hans Sues / Smithsonian
Hans Sues, a scientist at the Smithsonian’s National Museum of Natural History, excavating a dinosaur fossil at Dzharakuduk in the Kyzylkum Desert of Uzbekistan, September 2006. The fossilized remains of a new horse-sized dinosaur, Timurlengia euotica, reveal how Tyrannosaurus rex and its close relatives became top predators, according to a new study published in the Proceedings of the National Academy of Sciences.
Photo courtesy of Hans Sues / Smithsonian
