Sentences with phrase «of prehistoric humans»

Many arguments favoring higher intakes of calcium and other nutrients have been based on evidence about the diets of prehistoric humans.
If you've ever seen any depiction of prehistoric humans, you'd see them portrayed as lean and muscular.
Neanderthals: 20 Percent Vegetarian (14/03/2016) Isotope studies shed a new light on the eating habits of the prehistoric humans... more
The findings raise many questions about the lives of these prehistoric humans.
The technique relies on the radioactive isotope carbon - 14, whose radioactivity diminishes over time in a predictable manner, allowing researchers to calculate the age of ancient human sites using charcoal from fires or the bones of the prehistoric humans themselves.
Less is known about the breastfeeding habits of other primates — and much less still about those of prehistoric humans.
Despite extensive archaeological and anthropological evidence for its occurrence, most scientists believe that cannibalism was only an irregular feature of prehistoric human societies.
The dig has revealed perhaps the world's largest collection of Byzantine shipwrecks, along with rare burial structures, the bones of dozens of animal species and thousands of prehistoric human footprints.
Encased in ice for 4,000 years, a clump of prehistoric human hair gave up its secrets to the University of Copenhagen's Eske Willerslev, the first researcher to sequence an ancient human genome.
For their research, the UW and Harvard - Smithsonian scientists analyzed radiocarbon dates from Wyoming and Colorado that were recovered predominantly from charcoal hearths, which provide a direct record of prehistoric human activity.
While the world's human population currently grows at an average rate of 1 percent per year, earlier research has shown that long - term growth of the prehistoric human population beginning at the end of the Ice Age was just 0.04 percent annually.
«By showing drastically different wildlife histories — between regions that are climatically similar — we can start to understand the major impact of prehistoric human hunting, which differed across space and time,» Professor Waters says.
There are currently hundreds of archeological sites in the Everglades, and almost every tree island has evidence of prehistoric human occupation; unfortunately, most tree islands have not been archeologically investigated.
A new study, looking at the sex - specifically inherited X chromosome of prehistoric human remains, shows that hardly any women took part in the extensive migration from the Pontic - Caspian Steppe approximately 5,000 years ago.
Katmai National Park, Alaska Katmai National Park and Preserve has the world's largest brown bear population, the Valley of Ten Thousand Smokes, active volcanoes, the largest lake within the National park system and the highest concentration of prehistoric human dwellings in North America.

Not exact matches

Humans are looked upon as survivors of a prehistoric «fall» — a fall from grace and a fall from undistorted human communication and interaction.
There is simply NO evidence of massive information - adding, animal - benefiting mutations anywhere in biology that could prompt the descendents of a single «prehistoric» reptile to morph into human beings and all 5,500 species of mammalia.
What about all the prehistoric humans who lived for thousands and thousands of years prior to religions being invented?
The idea that induced change to aplant's genetic code is a phenomenon of the DNA age is also untrue: modern hexaploid wheat possesses six times as many chromosomes as its prehistoric ancestor, thanks to tireless selection and breeding over ten thousand years of human farming.
IgA and IgG have the potential to retard streptococcal growth; streptococcus mutans is highly susceptible to the bactericidal action of lactoferrin, a major component of human milk.9, 10 Rugg - Gunn reported that cariogenic bacteria may not be able to utilize lactose, the sugar found in breastmilk, as readily as sucrose.8 Confirming the findings of other researchers, this author has evaluated approximately 600 skulls to find little evidence of problems with dental decay among our prehistoric breastfed ancestors.11, 12,13,14,15
A rare set of tyrannosaur footprints is giving researchers insight into the walking speed of the prehistoric beasts, and it's possible that humans might have been able to outrun them.
«Unprecedented wave of large - mammal extinctions linked to prehistoric humans
Analysing the ways that mitochondrial DNA sequences differ across a large number of living people has helped to establish prehistoric population trends, but this record stretches back only 200,000 years to the point where all humans alive today shared a common female ancestor.
Clear evidence of prehistoric conflict can be difficult to discern in other parts of the world, but the arid climate and sparse settlement in the Southwest have left pueblo ruins, cultural artifacts, and even human remains remarkably intact.
Now, she says, they could unearth evidence of prehistoric occupation at sites where no human fossils or tools have been found, expanding our knowledge of hominin history.
According to one hypothesis, prehistoric humans hunted most of the mammoths out of existence soon after coming into contact with them.
At a recent conference on the topic, organized by the Max Planck Institute for the Science of Human History in Jena, Germany, presentation after presentation highlighted how prehistoric people burned the forest, cleared it, farmed it, nurtured certain of its tree species, and even built cities in it, leaving lasting, if subtle, marks.
Scientists have been giving us new views of the prehistoric world in the past decade that hinge on the realization that «biomolecules» such as ancient DNA and collagen can survive for tens of thousands of years and give important information about long - dead plants, animals, and humans.
A prehistoric human skeleton found on the Yucatán Peninsula is at least 13,000 years old and most likely dates from a glacial period at the end of the most recent ice age, the late Pleistocene.
Sequencing the genome of the Denisovans, a mysterious group of prehistoric hominins, suggests that interbreeding between Neanderthals, Denisovans and humans seems to have been common, rather than the rarity previously assumed — which further drives home the idea that we are the sole survivors of a precarious evolutionary process, rather than the end of a neat line of descent.
«This is the first genome - wide data on prehistoric humans from the hot tropics, and was made possible by improved methods for preparing skeletal remains» says Ron Pinhasi at University College Dublin, a senior author of the study.
It's not the plotline of some fantasy epic, but the real story of prehistoric Europe in the years after modern humans conquered the continent — as a new genetic analysis has just revealed.
Some of the first research on the importance of acoustics to prehistoric peoples was done by Iegor Reznikoff, an anthropologist of sound at Université Paris Ouest, who in the 1980s visited cave paintings and carvings in southern France that are about 25,000 years old, among the oldest known human art.
«Under geological aspects, the small number of so few large animal species presents an anomaly,» explains Professor Dr. Hervé Bocherens of the Senckenberg Center for Human Evolution and Palaeoenvironment at the University of Tübingen, and he continues, «The most prominent example of prehistoric giants is, of course, the dinosaurs.»
The new views of the prehistoric world hinge on the realization that «biomolecules» such as ancient DNA and collagen can survive for tens of thousands of years and give important information about long - dead plants, animals, and humans.
Prehistoric human populations of hunter - gatherers in a region of North America grew at the same rate as farming societies in Europe, according to a new radiocarbon analysis involving researchers from the University of Wyoming and the Harvard - Smithsonian Center for Astrophysics.
An international research team led by University of Otago scientists has documented prehistoric «sanctuary» regions where New Zealand seabirds survived early human hunting.
Alison George's article on the significance and implications of prehistoric cave art to the rise of human intelligence was thought - provoking (23 November 2013, p 36).
Although researchers can only speculate on what prehistoric artists were trying to express, hypotheses range from shamanistic and ritualistic activities to attempts to capture the spirit of horses and other animals that ancient humans hunted.
Alison George's article on the significance and implications of prehistoric cave art to the rise of human intelligence was thought - provoking...
Evolutionary geneticists Svante Pääbo, Johannes Krause, and colleagues at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, ground up a 30 - milligram sample and extracted and sequenced all of the 16,569 base pairs of its mtDNA genome, using new techniques Pääbo's group has successfully employed to sequence both Neandertal and prehistoric modern human DNA.
Now, a study of more than 100 dog burials in prehistoric Japan claims to provide the strongest evidence yet that early dogs did indeed help people hunt — and may have been critical to human survival in some parts of the world.
The skull was the fifth unearthed at a fossil - rich prehistoric watering hole in Dmanisi, Georgia; together, the specimens provide a vivid picture of the population of human ancestors at that location and place in time — and the variation within it.
«How prehistoric humans influenced mammal body size: Body size patterns of mammals affected as hominins expand across the globe.»
Although these bones are unusually thick — a fact initially used to argue for their prehistoric origin — De Groote says they aren't outside the range of normal human variation.
19 A virus called HTLV, which has coevolved with humans for thousands of years, is being used to uncover prehistoric migration patterns.
Since prehistoric times people have lived by the seas and rivers for the access to cheap and quick transportation and access to food sources and trade; without human populations near natural bodies of water, there would be no concern for floods.
The religion also served, through the ideal images of corpulence, to forge a sense of continuity in the community, the lineage, and the family beyond the short - term cycles of life that govern all humans and more particularly the prehistoric Maltese.
Research by a University of Southampton archaeologist suggests that early humans, who lived thousands of years before Neanderthals, were able to work together in groups to hunt and slaughter animals as large as the prehistoric elephant.
The remnants of a remarkably petite skull belonging to one of the first human ancestors to walk on two legs have revealed the great physical diversity among these prehistoric populations.
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