Sentences with phrase «early human lineage»

Not exact matches

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.

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.

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

«In this study, I believe we may have found an individual from a lineage that broke off early in modern human evolution and remained geographically isolated.

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

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.

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

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.

Previous research at the Afar rift unearthed fossils of some of the earliest known hominins — that is, humans and related species dating back to the split from the ape lineages.

This result should give pause to evolutionary models that see a more modern human - like monogamous social structure evolving early in our lineage.

In addition, Dr. Grabowski and the co-authors found that the level of size difference between males and females (sexual dimorphism) appears to have only slightly decreased from earlier hominin species by the time of early H. erectus, and only decreased to modern human - like low levels later in our 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.

Now, researchers report that they have traced the Y chromosome lineage to modern humans» earliest common paternal ancestor, «Y Chromosome Adam.»

These Ardipithecus fossils were the earliest ancestor of humans after they diverged from the main ape lineage of the primate family tree, neither ape - like nor chimp - like, yet not human either.

The Y chromosome lineages also provide a finer resolution of early human migration than mitochondrial DNA analysis.

But it's also possible that these early members of the dog lineage weren't yet tame or living with humans, says Pontus Skoglund, a geneticist at Harvard Medical School who led the study.

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

Since limited interbreeding also happened between Neanderthals and early humans in the Middle East, is it possible that the reduction of Neanderthal DNA in the European lineage occurred not too long ago?

Unlike HSV1, however, the earliest proto - humans did not take HSV2 with them when our ancient lineage split from chimpanzee precursors around 7 million years ago.

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.

They have a high chance of being transmitted to offspring as de novo germline mutations and, in principle, can provide insights into early human embryonic cell lineages and their contributions to adult tissues.

Recently unearthed fossils belonging to a new ape species suggest the lineages leading to humans and gorillas split several million years earlier than previously thought.

Many early lineage cell types can be grown, and the human ESC are all quite different.

As we mentioned earlier in our discussion of Pitbulls and Pitbull hybrids, proper training and socialization with other dogs and humans from an early age can help to prevent a puppy with German Shepherd lineage from developing aggressive behavior later in life.

Loch teaches in a non-sectarian human being lineage using an adult education style based in the earliest non-dual wisdom traditions, modern science and psychotherapy.