Tag: "dinosaur" at biology news

Arctic mystery no longer: Dinosaurs walked Canada's great north

... Not anymore. Larsson has discovered tyrannosaurus dinosaur bones, which until now, had only been located in C...lants lived in the High Artic," he says. "We found dinosaur remains, as well as fern and tree fossils," continues Larsson, who walked up to 25 kilometres per da...

Four new vertebrate fossil finds in Ischigualasto, Argentina

...c as apparently documented in the north." The new dinosaur was an herbivore with a long neck and four stout legs, measuring no longer than four meters long, typical of prosauropods. What makes it unique is a foreshortened skull, like many later sauropods of the Jurassic and Cretaceous. "This specimen shows t...

Dinosaurs in bullet-proof vests

... in some types of ankylosaurus.' A complete set of dinosaur chain mail was composed of hundreds of thousands of bony armour plates known as osteoderms. Most of these were smaller than a European one-cent coin, but some also had a diameter of several dozen centimetres and ended in long points. 'Unlike tortoise...

New dinosaur raptor found; First in Southern Hemisphere

...al History have identified a new species of raptor dinosaur from fossils found in Patagonia -- the very southe...tever data we have, Pol said. Once Pol entered the dinosaur data into the software, the final analysis took only minutes. The conclusion: the bones definitely b...

NC State scientist finds soft tissue in T. rex bones

... findings with at least three other well-preserved dinosaur specimens, one 80-million-year-old hadrosaur and two 65-million-year-old tyrannosaurs. All of these specimens preserved vessels, cell-like structures, or flexible matrix that resembled bone collagen from modern specimens. Current theories about foss...

Killer dinosaurs turned vegetarian

...y instead of running fast after prey." The adult dinosaur walked on two legs and was about 13 feet long (4 m...at-eaters such as Utahraptor and Velociraptor, the dinosaur popularized by chasing children through the kitchen in the hit film "Jurassic Park." Falcarius "is...

Stegosaur plates and spikes for looks only, researchers say

...udies of bone histology are telling us a lot about dinosaur social behavior and lifestyle," said Kevin Padian,...f the University of Paris report their analysis of dinosaur scutes and stegosaur plates in the spring issue of the journal Paleobiology, to be published later t...

Dinosaur fossil bone leads to gender, age determinations

...ng species including crocodiles, the other living dinosaur relative produces this tissue naturally. Because the dinosaur tissues didn't look exactly like pictures published of medullary bone in living birds like chicken a...

Revueltosaurus skeleton unearthed at Petrified Forest upsets dinosaur tale

...hrows into question the identity of other presumed dinosaur ancestors known only from teeth, which includes al...on years later than people thought, the picture of dinosaur evolution radically shifts. "Basically, you have two groups that were thought to appear at the same ...

Study: Predatory dinosaurs had bird-like pulmonary system

ATHENS, Ohio What could the fierce dinosaur T. rex and a modern songbird such as the sparrow p...r as a graduate student in 1996. They compared the dinosaur skeletons with those of modern birds to draw comparisons of how the soft tissues in the dinosaurs ma...

Earliest embryos ever discovered provide clues to dinosaur evolution, parenting: Study

The embryos of a long-necked, herbivorous dinosaur are the earliest ever recorded for any terrestrial...a rare glimpse into the life of the sauropodomorph dinosaur Massospondylus, an early dinosaur that grew to five metres and was relatively common in South Africa...

Skull study sheds light on dinosaur diversity

...e common in North America during the middle of the dinosaur era but were thought to have been pushed to extinc...lineage of sauropods diversified at the end of the dinosaur era, University of Michigan paleontologist Jeffrey Wilson says. Wilson's recent restudy and reconst...

Did feathered dinosaurs exist?

... collagenous fiber 'meshworks' that reinforced the dinosaur integument." Based on their examination of fossilized remains of dinosaurs with no relationship to birds, they suggest that decomposition of skin can lead to patterns resembling feathers. Birds have been thought to be related to theropod dinosaurs b...

Latest study: Scientists say no evidence exists that therapod dinosaurs evolved into birds

...d white photo of the early Cretaceous period small dinosaur Sinosauropteryx, which sported a coat of filamento...ations as the long-sought 'definitive' evidence of dinosaur 'feathers' and that birds were descended from dinosaurs," he said. "Yet no one ever bothered to prov...

Newly discovered birdlike dinosaur is oldest raptor ever found in South America

...AGO--The recent discovery of a 90-million-year-old dinosaur in Patagonia demonstrates that dromaeosaurs, a gro...eservation," Apestegua adds. A cast of the unusual dinosaur is on public display on the upper floor of The Field Museum in the MacDonald's Preparation Lab. It w...

U. of Colorado researcher identifies tracks of swimming dinosaur in Wyoming

...racks of a previously unknown, two-legged swimming dinosaur have been identified along the shoreline of an anc...dentified the tracks of the six-foot-tall, bipedal dinosaur at a number of sites in northern Wyoming, including the Bighorn Canyon National Recreation Area. "I...

Researchers devise dinosaur classification method

...e a range of intraspecies morphological variation, dinosaur classification can be a task as gargantuan as some...hodology by which an isolated tooth of a predatory dinosaur -- a theropod -- can be correlated with a given genus. They used a variety of measurements -- som...

Missing fossil link 'Dallasaurus' found

...ze in them. Later mosasaurs grew as large as their dinosaur brethren, reaching up to 45 feet in length. Until ...lready is on display at the Dallas Museum. Major dinosaur finds are frequently the result of creatures dying in groups through flooding or drought, situations...

Unexpected finding: Some dinosaurs grew slower in hard times

...in the 16 December issue of the journal Science. A dinosaur which they have examined was apparently able to va...east for one dinosaur.' The Swabian lindworm The dinosaur involved is plateosaurus engelhardti, the most important 'German' dinosaur, to judge from the number...

Academy awards medal to noted expert in disappearing amphibians

...d popularize dinosaurs when he described the first dinosaur discovered in America, Hadrosaurus foulkii, which became the first mounted dinosaur when it went on display at the Academy in 1868. Past recipients of the Leidy medal include ornitholo...

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(Date:10/29/2014)... October 27, 2014 — Cambridge, MA and Hebei, China ... the complete, high quality sequencing of the Jujube genome. ... Rhamnaceae family, and the Jujube genome is particularly difficult ... other complicating factors. It is the first time that ... sequenced. This study has been recently published in ...
(Date:10/29/2014)... Genomics of the Kidney consortium ( CAGEKID ) ... exposure to aristolochic acid, an ingredient in some ... Communications , have important implications for public health. ... every year, and in Central Europe incidence rates ... International Cancer Genome Consortium (ICGC), has been studying ...
(Date:10/28/2014)... German . ... sufficient food when times are lean? By studying wild ... researchers of the Max Planck Institute for Evolutionary Anthropology ... great apes can acquire extra energy needed to maintain ... sleeping nests more en route to breakfast sites containing ...
Breaking Biology News(10 mins):BGI Tech and Hebei Agricultural University complete the genome sequencing of the jujube tree 2Kidney cancer in Central Europe 2The early chimp gets the fig 2The early chimp gets the fig 3
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