Sentences with phrase «of human lineages»

Terry Harrison, a paleoanthropologist at New York University, questioned in Nature whether Ardi was even a member of the human lineage or just an ape «among the tangled branches» of a much larger bush.

This troublemaker, an equally tiny member of the human lineage — the hominins — was unearthed some 80 years earlier.

More recent fossil discoveries in the same region, including the iconic 3.7 million year old Laetoli footprints from Tanzania which show human - like feet and upright locomotion, have cemented the idea that hominins (early members of the human lineage) not only originated in Africa but remained isolated there for several million years before dispersing to Europe and Asia.

Two 9.7 - million - year - old fossil teeth from Germany probably did not come from a previously unknown European root of the human lineage, as heralded in headlines over the last few days.

Walking upright is one of the defining features of the human lineage, and as feet are the only structure that make contact with the ground in bipeds, they can tell us a lot about our ancient relatives» way of moving.

PARIS — He may be called Little Foot, but for human evolution researchers he's a big deal: His is the most complete skeleton known of an early member of the human lineage.

[This was] followed by rapid change, along the five million years of the human lineage, that was concentrated on these specific groups of genes.»

«When we looked at gene expression, we found fairly small changes in 65 million years of the macaque, orangutan, and chimpanzee evolution,» said study author Yoav Gilad, PhD, assistant professor of human genetics at the University of Chicago, «followed by rapid change, along the five million years of the human lineage, that was concentrated on these specific groups of genes.

Discovered by Donald Johanson at Hadar in Ethiopia in 1974 and nicknamed «Lucy» this fossil was the most complete skeleton and oldest member of what was then known of the human lineage but numerous scientists disputed she was truly bipedal, stating this species practiced a form of locomotion intermediate between the quadrupedal tree climbing of chimpanzees and human terrestrial bipedality.

Not exact matches

Then, given your clearly profound understanding of the relevant science, you can explain how humans came to possess a defunct gene for egg - yolk proteins in our placental mammal genomes and why the presence of this dead gene and the mutations rendering it defunct map to the lineages observable in the fossil record?

Do the religious believe these people are not related to the Eve lineage that inherrited sin that made the supposed first humans aware of their nakedness?

Marking the 75th anniversary of the infamous Buck v. Bell case endorsing forced sterilization, in which Oliver Wendell Holmes Jr. declared «three generations of imbeciles is enough,» the laboratory assures us that the new, more precise science of genetics means that «no human lineage is without hope.»

We can trace the human lineage back through time via the fossil record, but interestingly, the Bible never mentions any of these non-H.

Because virtue ethicists tend to trace their lineage back to Aristotle, when they discuss the connection between ethics and metaphysics they also tend to do so in Aristotelian terms, specifically in terms of a natural teleology that tries to determine which functional properties are essential for a full human life.

Humans took millions of years to evolve from the ape lineage.

Every human being can be traced to ten lineages; some of said lineages left Africa.

What lineage of human ancestory do you accept and what do you reject and how do you make the distinction?

Within the last three to five million years, after human and other ape lineages diverged from the hominid stem - line, the human line produced a variety of human species.

It appears that many of the core features of human language have deep roots in the primate lineage.

«This may be the first example of human behaviour generating a new ecotype or lineage of an animal,» says Joe Tobias of the Edward Grey Institute at the Department of Zoology at the University of Oxford in the UK.

Research published in early 2004 shows that the viruses from all known human cases of the 2003 outbreak seem to descend from the same lineage.

«We have followed a less potent neutralizing lineage in this particular individual before, but now we have found a far more potent antibody and have been able to study its development over six years,» said first author Mattia Bonsignori, M.D., of the Duke Human Vaccine Institute.

Over the past 2 million years, the human lineage evolved from a group of bipedal, apelike beings to makers of stone tools, controllers of fire and producers of cave art.

A relatively new, and somewhat controversial, term used to describe members of the tribe hominini, the human lineage only.

More recently, any member of the family Hominidae: great apes and human lineages.

But the woman, who passed her mtDNA down through the Neanderthal lineage, was not necessarily an anatomically modern human, notes paleogeneticist Johannes Krause, a co-author of the study.

A new study concludes that the art of conversation may have arisen early in human evolution, because it made it easier for our ancestors to teach each other how to make stone tools — a skill that was crucial for the spectacular success of our lineage.

But it's also possible that there may be elements of human demographic history that predispose these lineages to coalesce at certain times.»

The genetic data recovered by the research team, led by scientists from the Max Planck Institute for the Science of Human History and the University of Tübingen, provides a timeline for a proposed hominin migration out of Africa that occurred after the ancestors of Neanderthals arrived in Europe by a lineage more closely related to modern humans.

However, it would have been large enough to completely replace the existing mitochondrial lineage of Neanderthals, more similar to the Denisovans, with a type more similar to modern humans.

«This pattern in brown bears covers even larger geographic areas than analogous findings from humans, where the Y - chromosomal lineage of Genghis Khan, founder of the Mongol Empire, was spread across much of Asia,» said Tobias Bidon and Frank Hailer, lead authors of the study.

Inermorostrum evolved its unusual feeding style just 4 million years after the toothed whale lineage split from the branch of the family tree that includes the ancestors of today's baleen whales such as humpbacks, which filter their food through frayed sheets of keratin, the same material in human fingernails.

Horse breeding records are some of the most impressive efforts to chronicle animal lineages in human history, with some stretching back thousands of years.

Scientists had assumed that many genes present in humans and absent in worms and flies had evolved recently in our lineage, «but some of these genes have now been found in Aplysia, which means that they are actually quite primitive,» says neuroscientist Edgar Walters of the University of Texas Medical School at Houston.

The alleles associated with light pigmentation swept to near fixation outside of Africa due to positive selection, and we show that these lineages coalesce ~ 60 ka, corresponding with the time of migration of modern humans out of Africa.

«Many of these hominids may have been part of some widely distributed group of early humans that were not separate lineages,» he says.

The first divergence produced the gorilla lineage, while the second produced the ancestors of chimpanzees and humans.

Over the past 100 million years, the human lineage has lost one - fifth of its DNA, while an even greater amount was added, report scientists at the University of Utah School of Medicine.

They also compared the human genomes with recently sequenced genomes of Neanderthals and Denisovans and found similar genetic variation, which indicates that the facial variation in modern humans must have originated prior to the split between these different lineages.

The bones account for most of the human fossils ever discovered from the Middle Pleistocene, the period 120,000 to 780,000 years ago during which modern humans, Neanderthals and Denisovans split into distinct lineages.

Our surveillance in Saudi Arabia in 2014 and 2015 showed that viruses of the MERS - CoV species and a human CoV 229E — related lineage co-circulated at high prevalence, with frequent co-infections in the upper respiratory tract of dromedary camels.

Several camel coronaviruses occur in the Middle East, and a recombinant lineage is linked to the recent human outbreaks of MERS.

Missing link: Nine skeletons found in northern Ethiopia dating to about 4.5 million years ago — less than 2 million years after the lineages of humans and apes split — have scientists wondering if the remains are related to humans.

But now, in a new plot twist in the unfolding mystery of how Neandertals were related to modern humans, it seems that members of our own lineage were among the ancestors of Neandertals.

It is also unclear whether bonobo sexuality became exaggerated only after their split from the human lineage or whether the behavior they exhibit today is the modern version of our common ancestor's sex play.

The real challenge then will be finding the changes that played a major role in the evolution of chimps and humans since the two lineages split, 5 to 8 million years ago.

If the administration of the quadrivalent influenza vaccine was expanded sufficiently — it may be possible to eradicate the slower Yamagata lineage from humans.

This is important because it provides the earliest archaeological evidence of this type of resource transport behavior in the human lineage.»

This latest study reports the generation of multiple cell lineages of the eye, including the lens, cornea, and conjunctiva, using human induced pluripotent stem cells.

Multiple lines of research point to the likelihood that brain reorganization, the use of tools and use of a dominant hand occurred early in the human lineage.