Sentences with phrase «models of human origins»

When compared with the genomes of living people, the ancient genomes allow anthropologists to thoroughly test the competing models of human origins for the first time.

Not exact matches

The child's transition from gesture to symbol could be a developmental model of the evolutionary pathway to human language and thus evidence for the «gestural origins of human language,» Greenfield said.

While it is widely accepted that the origins of modern humans date back some 200,000 years to Africa, there has been furious debate as to which model of early Homo sapiens migration most plausibly led to the population of the planet — and the eventual extinction of Neanderthals.

Many researchers concur that the results disprove the strict Out of Africa replacement model of modern human origins.

Population geneticist Laurent Excoffier of the University of Bern in Switzerland agrees that Out of Africa is still the most plausible model of modern human origins, noting that the alleged admixture did not continue as moderns moved into Europe.

Conversely, the treatment of the ever - popular debate on the Origin of Modern Humans — that is, Out of Africa - versus - the Multiregional Model — is admirably balanced, with proponents Alan Thorne and Chris Stringer being interviewed at length.

Levin also hopes insights gleaned from the model will help scientists grasp the origins of collective human behaviors, such as the emergence of social norms and attitudes about important issues.

Lead author William Taylor, a postdoctoral research fellow at the Max Planck Institute for the Science of Human History, says that this model «enables us for the first time to link horse use with other important cultural developments in ancient Mongolia and eastern Eurasia, and evaluate the role of climate and environmental change in the local origins of horse riding.»

Whatever their origin, the genetic changes raise questions over the widespread use of HeLa cells as models for human cell biology, Steinmetz says.

Here, we study the origins of biofilm genetic structure by combining model development, numerical simulations, and microfluidic experiments using the human pathogen Vibrio cholerae.

Disease - specific human pluripotent stem cells, from embryonic origin or derived from reprogramming somatic cells, offer the unique opportunity to have access to a large spectrum of disease - specific cell models.

The origin of the mouse as the principal model system for biomedical research dates back to the start of human civilization.

These have yet to be modelled, but Prof Wroe said they were likely to be very similar to those of modern humans and Neanderthals, so could take back the origins of speech still further.

By developing a simple chemically defined culture system permitting efficient differentiation of numerous human iPS cell lines toward cells of a mature hepatic state, we now demonstrate the possibility of modeling groups of diseases of non-neuronal origin whose phenotypes are a consequence of complex protein dysregulation within adult cells.

This type of forensic property marking is used to prove the origin of stolen items by painting or labelling them with a solution of forensic codes, modelled on the principles of human DNA.

The three primary sub-hypotheses seem to be (1) modeling natural variability (without the GHG increases) does not work, (2) modeling with the GHG increases does work, and (3) the GHG increases are of human origin or cause.