dinosaurs-凯发k8官网

13-03-01 a south dakota school of mines technology assistant professor and his team have discovered a new species of herbivorous（食草的） dinosaur and today published the first fossil evidence of prehistoric crocodyliforms feeding on small dinosaurs. resear...

13-02-06 a new kind of pterosaur（翼龙） , a flying reptile from the time of the dinosaurs, has been identified by scientists from the transylvanian museum society in romania, the university of southampton in the uk and the museau nacional in rio de janiero,...

12-12-11 the asteroid（小行星） collision widely thought to have killed the dinosaurs also led to extreme devastation among snake and lizard species, according to new research -- including the extinction of a newly identified lizard yale and harvard scientis...

12-12-03 an analysis of mineral grains from the bottom of the western grand canyon indicates it was largely carved out by about 70 million years ago -- a time when dinosaurs were around and may have even peeked over the rim, says a study led by the universit...

12-11-23 a new study looking at the structure of feathers in bird-like dinosaurs has shed light on one of nature's most remarkable inventions -- how flight might have evolved. academics at the universities of bristol, yale and calgary have shown that prehist...

12-10-26 the ostrich（鸵鸟） -like dinosaurs in the original jurassic park movie were portrayed as a herd of scaly, fleet-footed animals being chased by a ferocious（残忍的） tyrannosaurus rex. new research published in the journal science reveals this depic...

12-07-04 a new species of feathered dinosaur discovered in southern germany is further changing the perception of how predatory（食肉的） dinosaurs looked. the fossil of sciurumimus albersdoerferi, which lived about 150 million years ago, provides the first...

12-05-08 sauropod（蜥脚类动物） dinosaurs could in principle have produced enough of the greenhouse gas methane to warm the climate many millions of years ago, at a time when earth was warm and wet. that's according to calculations reported in the may 8th is...

12-05-02 despite years of intensive research about the extinction of non-avian dinosaurs about 65.5 million years ago, a fundamental question remains: were dinosaurs already undergoing a long-term decline before an asteroid（小行星） hit at the end of the cr...

12-04-19 their reproductive strategy spelled the beginning of the end: the fact that dinosaurs laid eggs put them at a considerable disadvantage compared to viviparous（胎生的） mammals. together with colleagues from the zoological society of london, daryl c...