Sentences with phrase «of skeletal material»

According to the authors of the Nature letter, only a few genetic laboratories in the world control much of the skeletal material that could be sequenced by researchers.
They were first identified, on the basis of skeletal material, in the 1920s, but it wasn't until the 1970s that their behavior in the wild was studied, and then only sporadically.

Not exact matches

Coral reefs are typically massive biogenic formations of calcium carbonate (limestone) that is deposited within or around the bodies of the inhabitants of the reef as skeletal material.
It was, however, difficult to exactly determine the age of the human skeletal material using conventional radiocarbon dating, because the collagen in the bones had been completely washed out due to the long period spent in water.
The remarkable specimen — which includes nine skeletal elements from one individual, including the thoracic vertebrae and the femoral bones — is being heralded as the «best preserved hesperornithiform material from Asia» and to be «the first report of the hesperorinthiforms from the eastern margin of the Eurasian Continent.»
After careful extraction of genetic material from victims» teeth, a team of researchers has sequenced 99 percent of the Plague's genome — the first whole - genome reconstruction of a disease from skeletal remains.
«We are quite sure that the juvenile - only placoderm assemblage is not the result of sorting of small material by water currents because there are larger skeletal elements of other kinds of fish.
Another chapter, «Bones and the law», has a particularly misleading title since, instead of being devoted to forensic cases, or to the thorny problem of objections by indigenous peoples to the disturbance of their ancestors» remains (a topic not even alluded to), it is merely a detailed account of how far you can sex and age skeletal material.
[1, 2] Forensic anthropologists are regularly responsible for the exhumation of (mass) graves, analysis of human skeletal material, collecting and analyzing ante-mortem (before death) data to assist with the identification of decedents, and providing legal testimony.
The discovery was made by carrying out molecular analysis of materials previously thought to be of little interest — debris inside burial containers and residues on skeletal remains and plaster body casings.
In each of three collection areas within the Lesedi Chamber, diagnostic skeletal material allows a clear attribution to H. naledi.
In order to contextualise the australopithecine and early Homo stature estimates and range of variability obtained from the footprints within a broader picture (Figure 12), and to compare them with a larger sample, we extended our analysis to consistent data based on skeletal elements, namely femurs (see Materials and methods for details).
But the most ancient skeletal fossils are made not of bone, but of calcite — the same material that makes up the rock matrix in which they are embedded.
The skeletal material was found in sandstone in the Woronso - Mille paleontological study area that lies some three dozen miles north of Hadar, the fossiliferous site that has yielded since 1973, the most fossils from a single site attributed to a single species, Australopithecus afarensis, the same species designation claimed for Kadanuumuu.
Recent research concerns morphological and phylogenetic aspects of modern human diversity, based on analysis of recent and fossil skeletal material.
The problem is that although there is evidence of stone tools on Flores dated to 840,000 years ago, there is no associated skeletal material, and all examples of H. floresiensis are already small - bodied.
Students in ANT 301 attend labs that (a) expand on concepts presented in lectures and (b) provide an opportunity for hands - on exploration of skeletal and fossil materials.
Minerals can be looked upon like catalyst and building materials of the body You can not have a healthy immune system, healthy skeletal structure, stay warm, maintain a slim body weight, detoxify, heal the skin, prevent scaring or even sleep well at night, etc. without proper mineral absorption.
All of this material builds upon the skeletal foundation of Shannon's character, and helps to shed light on his behavior.
Rain falling on this material dissolved some of the calcite skeletal fragments and then precipitated this calcite in between other grains to cement all of the grains together and turn the material into a limestone.
Some works incorporate skeletal structures festooned with stuff where the material value of these objects — tin, wool or copper — is privileged, and ideas of tension, support and protection recur throughout the show.
Reminiscent of DNA sequences or skeletal vertebrae, he utilizes familiar materials to create a universal, medicinal code.
However, instead of constructing sculpture from the inside out, so that material mass and volume are emptied out in favor of a skeletal space - as - mass, Toya's guiding paradigm is archaeological.
The material that makes up pteropod shells is aragonite, a common mineral form of calcium carbonate, which is also secreted by other marine organisms to form external skeletal material.
Small ∼ 1 cm cubes of coral tissue and skeletal material for lipid analysis were collected from 3 — 5 coral heads at a site using a hammer and chisel or a metal punch with permission and assistance from the Republic of Kiribati's Ministry of Fisheries and Marine Resource Development.
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