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Oxygen Increase Caused Mammals To Triumph, Researchers Say
October 3, 2005 The first, high resolution continuous record of oxygen concentration in the earth's atmosphere shows that a sharp rise in oxygen about 50 million years ago gave mammals the evolutionary boost they ... > full story -
Skull Study Sheds Light On Dinosaur Diversity
September 16, 2005 With their long necks and tails, sauropod dinosaurs -- famous as the Sinclair gasoline logo and Fred Flintstone's gravel pit tractor -- are easy to recognize, in part because they all seem to look ... > full story -
Earliest Embryos Ever Discovered Provide Clues to Dinosaur Evolution
July 30, 2005 The embryos of a long-necked, herbivorous dinosaur are the earliest ever recorded for any terrestrial vertebrate and point to how primitive dinosaurs evolved into the largest animals ever to walk on ... > full story -
Predatory Dinosaurs Had Bird-Like Pulmonary System
July 19, 2005 What could the fierce dinosaur T. rex and a modern songbird such as the sparrow possibly have in common? Their pulmonary systems may have been more similar than scientists previously thought, ... > full story -
Geologists Find First Clue To Tyrannosaurus Rex Gender In Bone Tissue
June 2, 2005 Paleontologists at North Carolina State University have determined that a 68 million year-old Tyrannosaurus Rex fossil from Montana is that of a young female, and that she was producing eggs when she ... > full story -
First Ever Fossil Of Sleeping Dinosaur Found In China
May 22, 2005 The first fossil of a sleeping non-avian dinosaur has been described by a pair of American Museum of Natural History paleontologists. The small bird-like dinosaur is preserved in a remarkable ... > full story -
Stegosaur Plates And Spikes For Looks Only, Researchers Say
May 17, 2005 Every school kid marvels at the bizarre plates running down the backbone of the weird-looking Stegosaurus, but paleontologists still don't agree on what they're for. Four researchers now argue that ... > full story -
Utah Dinosaur Bones Reveal Missing Link In Evolution Of Diet
May 5, 2005 Scientists have discovered a mass graveyard of bird-like feathered dinosaurs in Utah. The previously unknown species provides clues about how vicious meat-eaters related to Velociraptor ultimately ... > full story -
University Of Florida Discovery Raises Questions About Origin Of African Mammals
March 29, 2005 "Into Africa" rather than "Out of Africa" could well be the better description of how certain mammals originated and spread across the world, according to a University of Florida ... > full story -
NC State Paleontologist Discovers Soft Tissue In Dinosaur Bones
March 25, 2005 Conventional wisdom among paleontologists states that when dinosaurs died and became fossilized, soft tissues didn’t preserve – the bones were essentially transformed into ... > full story
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