Sentences with phrase «human lineage»

Every part of it cries out that it is the continuation of something very archaic in human lineage.

A discovery shows our early ancestors were making tools long before the emergence of the modern human lineage, researchers say.

A deep chamber within a South African cave has just yielded a new member of early human lineage — and the species seem to have buried their dead.

Adding to the complexity, Petraglia said that in the past, «there were likely many population turnovers, and probably even extinctions of human lineages that left no DNA trace in current peoples.»

Orangutans were next, followed by gorillas, with the chimpanzees and human lineages diverging from each other last.

The authors» new paper, «New geological and palaeontological age constraint for the gorilla - human lineage split,» was published this week in Nature.

The finding could help resolve a controversy over the continent where the ape and human lineages first evolved, according to researchers

But before this complete speciation could occur, the three human lineages crossed paths and chromosomes: There were numerous episodes of interbreeding between the groups.

Even though the specimen is only 2330 years old, other human lineages that were around at this time had diverged more from mitochondrial Eve.

Modern humans once shared the planet with now - departed human lineages, including the Neanderthals, our closest known extinct relatives.

The finding could help resolve a controversy over the continent where the ape and human lineages first evolved, the scientists added.

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.

Others suggested that these genes had been transferred directly to the human lineage by invading bacteria.

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

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.

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

Because Neandertals are much closer kin to us than are chimpanzees, which diverged from the human lineage 5 to 7 million years ago, matching Neandertal DNA against our own has the potential to reveal genetic changes that help define who we are.

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.

Fuentes will explore the ways in which the human lineage acquired a distinctive set of neurological, physiological and social skills that enabled us to work together and think together in order to imagine, create, collaborate and compete at increasing levels of complexity.

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

«I was expecting to find that a few genes would be evolving rapidly, while probably the overall distribution would be changing at about the same rate among all the primates, but instead we saw that the brain's gene evolution in the human lineage has actually slowed down,» Wu says.

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.

«This opens up the potential for us to learn more about the vocal capacities of early hominids that lived before the split between the orangutan and human lineages to see how the vocal system evolved towards full - blown speech in humans.»

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.

Ever since the discovery of fossils of Australopithecus in South and East Africa during the middle years of the 20th century, the origin of the human lineage has been thought to lie in Africa.

«The neocortical expression of this gene was most likely lost in a common ancestor and reappeared in the human lineage,» Sousa said.

The human lineage is one such.

Using this approach, we have sequenced ~ 14,000 protein - coding positions inferred to have changed on the human lineage since the last common ancestor shared with chimpanzees.

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.

Scientists have supposed that Homo habilis, which lived between 2.3 million and 1.5 million years ago, signaled the debut of Homo and subsequently gave rise to H. erectus, the first hominin (member of the human lineage) to spread out from Africa across the globe and the one thought to have spawned later human species, including H. sapiens.

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.

Anthropologists have waited decades to find the complete cranium of a Miocene ape from Africa — one that lived in the hazy period before the human lineage split off from the common ancestors we share with chimpanzees some 7 million years ago.

«Not only did the human lineage evolve in Africa, but also the group Hominoidea, in which humans and apes belong, also evolved in Africa.»

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.

To shed light on the evolution of the ape and human lineages, Suwa and his colleagues investigated the Afar rift of Ethiopia.

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.

The human lineage, the genus Homo, and its close relatives, including australopithecines such as the famed Lucy, are together referred to as hominins.

If humans» common ancestors with chimpanzees had this ability, she speculates, it could illuminate how musical rhythm could have emerged in the human lineage.

He added, «other researchers have estimated that similarly small fractions of the genome have been conserved over long time evolutionary periods, but our analysis indicates that the much larger ENCODE - based estimates can't be explained by gains of new functional sequences on the human lineage.

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.

Using average and estimated body masses for a wide sample of living and fossil humans, apes, and other primates and novel comparative methods, the researchers reconstruct body mass evolution during and prior to 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.»

«Cooking is what has taken the human lineage into a totally new realm,» he says, especially after we learned to cook meat.

The chunks of older DNA stand out because they are unusually rich in mutations, which would have built up for hundreds of thousands of years in the genomes of Denisovans, but would not have been present in the human lineage.

Su's team found that a gene called the PACAP precursor stayed substantially the same across eons, but then, sometime after humans and chimps diverged, it evolved at warp speed in the human lineage.