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12-03-13 two new horned dinosaurs have been named based on fossils collected from alberta, canada. the new species, unescopceratops koppelhusae and gryphoceratops morrisoni, are from the leptoceratopsidae family of horned dinosaurs. the herbivores(食草动物...
11-11-30 bones contained entirely within the skin of some of the largest dinosaurs on earth might have stored vital minerals to help the massive creatures survive and bear their young in tough times, according to new research by a team including a university...
11-04-13 pigeons may not instill(灌输,滴注) the same aura(光环,气味) of fear as a tyrannosaurus rex, but they inherited their sense of smell from such prehistoric killers. birds are known more for their flying abilities and their senses of vision and b...
11-02-01 new haven, conn. triceratops(三角恐龙) and torosaurus(牛角龙) have long been considered the kings of the horned dinosaurs. but a new discovery traces the giants' family tree further back in time, when a newly discovered species appears to have r...
10-11-26 researchers demonstrate that the extinction of dinosaurs 65 million years ago made way for mammals to get bigger - about a thousand times bigger than they had been. the study, which is published in the prestigious(有名望的) journal science, is the...
10-10-29 scientists have discovered in china the first complete skeleton of a pivotal(关键的,中枢的) ancestor of earth's largest land animals the sauropod(蜥脚类动物) dinosaurs. the new species, tentatively(暂时地) dubbed yizhousaurus sunae, lived on...
10-09-24 a giant rhino(犀牛) with a ridiculously supersized head. fifteen long, pointed sideways oriented eye horns: one over the nose, one atop each eye, one at the tip of each cheek bone, and ten across the rear margin of the bony frill. a horned face: l...
10-03-05 an international panel of experts has strongly endorsed evidence that a space impact was behind the mass extinction event that killed off the dinosaurs. 一个国际专家小组强烈支持一场太空大碰撞导致地球上恐龙灭绝的理论。 the dinosaurs were one of many...
10-01-29 the colour of some feathers on dinosaurs and early birds has been identified for the first time, reports a paper published in nature this week. the research found that the theropod兽脚亚目的 dinosaur sinosauropteryx had simple bristles猪鬃 precursor...
10-01-29 a george washington university expedition to the gobi desert戈壁大沙漠 of china has enabled researchers to solve the puzzle of how one group of dinosaurs came to look like birds independent of独立的,不受约束的 birds. the discovery extends the fossi...