Australian scientists have unveiled fossils of what they say are the largest dinosaurs ever found in Australia. Fossilized bones of two titanosaurs went on display Thursday at the Queensland Museum in the eastern city of Brisbane.
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What happens when a 68 million-year-old Tyrannosaurus Rex meets 21st century medical science? A North Carolina State University researcher and her colleagues at Harvard Medical School and Beth Israel Deaconess Medical Center found out when they confirmed the existence of protein in soft tissue recovered from the bone of a 68 million-year-old T. rex.
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In a venture once thought to lie outside the reach of science, researchers from Harvard Medical School and Beth Israel Deaconess Medical Center have captured and sequenced tiny pieces of collagen protein from a 68 million-year-old Tyrannosaurus rex. The protein fragments-seven in all-appear to most closely match amino acid sequences found in collagen of present day chickens, lending support to a recent and still controversial proposal that birds and dinosaurs are evolutionarily related.
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It took 10 to 15 million years after the dinosaurs were wiped out before modern mammals - including our ancient human ancestors - were able to diversify and rise to their present-day prominence across the globe, a landmark new study has found.
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Two major classes of dinosaurs show genomes distinctly aligned with modern birds, reptiles
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The largest climate change in central North America since the age of the dinosaurs 65 million years ago, a temperature drop of nearly 15 degrees Fahrenheit, is documented within the fossilized teeth of horses and other plant-eating mammals, a new study reveals.
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Dinosaurs, "extinct" for 65 million years, live today in a child's imagination"¦in modern birds, descendants of the ancient reptiles"¦and now in an exciting, hands-on exhibition that's sure to change your thinking about everyone's favorite prehistoric creatures.
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About 65 million years ago, a massive disruption led to worldwide extinction of dinosaurs. The impact of a giant asteroid created massive tsunamis and spewed forth a global cloud of carbon gases that altered Earth's atmosphere and blocked the light for weeks, possibly years. In recent years, that impact event has been linked to a 112-mile-wide crater, dubbed Chicxulub, on the coast of Mexico's Yucatan Peninsula.
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Sauropods did not have a 'gastric mill.' How they processed their food without molars remains unclear
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Fossils of a giant Sauropod, found in Teruel Spain, reveal that Europe was home to giant dinosaurs in the Late Jurassic period - about 150 million years ago. Giant dinosaurs have previously been found mainly in the New World and Africa.
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