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Fossilized bones of a saber-toothed cat and dinosaurs that may be 100 million years old are among “priceless” artifacts that the United States handed over to China in a ceremony Monday. The fossils, which also include dinosaur eggs believed to be 60 million years old, were seized by U.S
Reports of sexual assault among U.S. troops stationed in Iraq and Afghanistan rose 26 percent from the previous year, according to an annual Pentagon report presented to Congress on Tuesday. Hesperonychus elizabethae, a 4.4-pound (2-kilogram) creature with razor-like claws, ran through the swamps and forests of southeastern Alberta, Canada, during the late Cretaceous period, the researchers said.
Canadian researchers say they have discovered the smallest known North American dinosaur, a carnivore that roamed areas of the continent 75 million years ago and weighed less than most modern-day house cats. Hesperonychus elizabethae, a 4.4-pound (2-kilogram) creature with razor-like claws, ran through the swamps and forests of southeastern Alberta, Canada, during the late Cretaceous period, the researchers said. The diminutive dinosaur likely hunted insects, small mammals and other prey, perhaps even baby dinosaurs, said Nick Longrich, a paleontology research associate in the University of Calgary’s Department of Biological Sciences.