Sentences with phrase «evidence of feathers»

We present direct evidence of feathers in Velociraptor mongoliensis based on the presence of quill knobs on the posterior forearm.

More recent discoveries, particularly in China over the past 15 years, provided a wealth of evidence of feathered dinosaurs that convinced many skeptics.

Not exact matches

Every scrap of «jesus existed evidence» has been refuted, debunked, tarred and feathered over and over.

The finding reported today in Current Biology helps to fill in details of the dinosaurs» feather structure and evolution, which can't be surmised from fossil evidence.

«This research provides the clearest evidence to date that feathers were present within the ornithischian half of the dinosaur family tree,» says Ryan McKellar of the Royal Saskatchewan Museum in Regina, Canada.

The long, filament - like feathers preserved with three relatively complete skeletons of the newly described species provide direct evidence of extensively feathered gigantic dinosaurs.

One of the samples, in which a tick is hanging onto a dino feather, provides the oldest direct evidence of what these ancient parasites ate.

The most direct evidence comes from the tick grasping a feather that belonged to a theropod dinosaur, a member of the group that ultimately gave rise to modern birds.

DINE - O - SAUR In this 99 - million - year - old piece of amber, a tick trapped on a dinosaur feather provides rare evidence of the hosts these bloodsuckers preferred during the Cretaceous Period.

But the idea that they could have had a use in communication is neat: we have very little insight into the social behavior of dinosaurs, and if more finds produce evidence that shafted feathers grew exclusively on ornithomimid adults, then paleontologists might be able to craft a theory that focuses on communication and signaling.

He is not completely sold on the evidence for shafted feathers — though he does find the comparison to the patterns of ostrich feathers apt.

There's plenty of evidence for such an exchange at Chaco Canyon, where copper bells, macaw feathers, pyrite mirrors, and other Mexican goods turn up.

Despite mounting evidence that many dinosaurs were feathered, the director of Jurassic Park 4 appears set on keeping them leathery

They say that the findings add to a body of evidence that feathers evolved for some purpose besides flight as Velociraptors were too big to lift off the ground.

Although the best evidence for feathers has been found in a group of meat - eating dinosaurs dating back to about 150 million years ago, and from which birds apparently evolved at about the same time, there have been sightings of bristly, filamentous structures in very distantly related plant - eating dinosaurs as well.

«This evidence of animal - specific melanin in fossil feathers is the final nail in the coffin that shows that these microbodies are indeed melanosomes and not microbes,» said Ryan Carney, co-author of the study and a graduate students at Brown Univ..

One of the most well - known is the Archeopteryx, a feathered animal that may evidence the transition between dinosaurs and birds, but whose exact place in the evolutionary tree has been debated since the nineteenth century [5].

And this past February Italian researchers reported that they had found evidence that 44,000 years ago Neandertals were harvesting wing feathers from a variety of birds at a site called Fumane Cave for decorative purposes.

STONY BROOK, NY, July 14, 2014 — Research findings from an international team of scientists including Alan Turner, PhD, Assistant Professor in the Department of Anatomical Sciences at Stony Brook University School of Medicine, uncovers details on how a new species of a feathered raptorial dinosaur found in China provides evidence on how large - bodied dinosaurs took to the air.

Neither Deinocroton tick was found next to a dinosaur feather, so direct evidence of their host doesn't exist.

The story misses this important development, that long before finding the first feathered dinosaur in the mid 1990s, the vast majority of paleontologists and an increasing number of young ornithologists realized and had accepted the mountain of osteological evidence, which Ostrom had pioneered, that frames birds as dinosaur descendants.

«Molecular evidence of keratin and melanosomes in feathers of the Early Cretaceous bird Eoconfuciusornis»

A few interesting articles in early life human microbiome, plus: A comparison between Staphylococcus epidermidis commensal and pathogenic lineages from the skin of healthy individuals living in North American and India; A new tool to reconstruct microbial genome - scale metabolic models (GSMMs) from their genome sequence; The seasonal changes in Amazon rainforest soil microbiome are associated with changes in the canopy; A specific class of chemicals secreted by birds modulates their feather microbiome; chronic stress alters gut microbiota and triggers a specific immune response in a mouse model of colitis; and evidence that the short chain fatty acids profile in the gut reflects the impact of dietary fibre on the microbiome using the PolyFermS continuous intestinal fermentation model.

But what made this study different was that evidence of pollution was not secondhand — the soot itself collected on feathers, as though the songbirds were feather dusters floating above smokestacks.

Evidence of the presence of viable particles on feathers was also provided from asymptomatic birds [37].

In the new cold season, designers advised us to also accessorize coats with fringes, as evidenced by the collections of Donna Karan, Valentino, Roberto Cavalli, Lanvin, Ralph Lauren, where we can see very romantic and «soft» coats accessorized with feathers or laces, hanging threads and other decorative elements.

On display here are some of Bove's arrangements of natural objects: shells, coral, feathers and driftwood — relics of passing time, showing nature's wear and tear; evidence of geological history.

But like «climate change», road safety has been over-run by the «think of the children» brigade and in the process logic, common sense and plain good practice have been tossed aside to placate the loudest speaker making the most outrageous clams, despite significant evidence to the contrary, and anyone who dares to question the received wisdom of these self - appointed «experts» is (metaphorically at least) tarred and feathered and completely ignored — to the detriment of the very people these «experts» think they are helping.

Denialism is political and economic first, and uses «scientific» claims and evidence only as a means to those ends — so scientists must be accused of having political motives, feathering their own nests, and conspiring against the public interest.