Sentences with phrase «of paleoanthropologists»

An international team of paleoanthropologists, led by Professor Madelaine Böhme of the University of Tübingen, Germany, has analyzed 7.2 million - year - old...
But a pair of paleoanthropologists from the University of Zurich have now called Lucy's femininity into question.
After originating in Africa possibly around 300,000 years ago and inhabiting areas close to the Middle East (SN: 7/8/17, p. 6), H. sapiens likely first reached the Middle East more than 200,000 years ago, proposes an international team of paleoanthropologists led by Quam, Israel Hershkovitz of Tel Aviv University and Gerhard Weber of the University of Vienna.
Now, however, a trio of paleoanthropologists — Yonatan Sahle and Sireen El Zaatari of the University of Tübingen in Germany and Tim White of the University of California, Berkeley — have shown that crocodile teeth can also leave V - shaped cuts in mammal bones that are indistinguishable from stone - tool cuts.
To look at the teeth and jaws of the hominins at Dmanisi is to see a mouthful of pain, says Ann Margvelashvili, a postdoc in the lab of paleoanthropologist Marcia Ponce de León at the University of Zurich in Switzerland and the Georgian National Museum in Tbilisi.
The first bones were found by Matthew Berger, the young son of paleoanthropologist Lee Berger, who joined his father at press events touting the find.
Eric Roth has written the script, based on the true story of paleoanthropologist Richard Leakey and his battle with the ivory poachers who threatened the African elephant population.

Not exact matches

Paleoanthropologists have disproven the basic premise that the modern human digestive system is the same as that of early humans, but research also suggests that a diet of unprocessed, hormone - free meat sources coupled with fresh fruits and vegetables has clear benefits.
«This is a real lineage, and we have to work out what the hell it looks like,» says paleoanthropologist Bernard Wood of George Washington University in Washington.
Crocodile bites damage animal bones in virtually the same ways that stone tools do, say paleoanthropologist Yonatan Sahle of the University of Tübingen in Germany and his colleagues.
But Stanley Ambrose, a paleoanthropologist at the University of Illinois at Urbana - Champaign, dismisses Duarte's idea.
If the new dates for the Spanish cave art are confirmed, they could indicate that Neandertals and H. sapiens exchanged artistic traditions earlier than previously thought, says paleoanthropologist Chris Stringer of the Natural History Museum in London, who was not involved in the studies.
«What I found fascinating is the interdigitization of the Neandertals and Denisovans — that both groups were in and out of the cave,» says paleoanthropologist Leslie Aiello of the Wenner - Gren Foundation in New York City.
It also shows that these ancient «populations moved around a lot and intermixed,» says paleoanthropologist Erik Trinkaus of Washington University in St. Louis in Missouri, who is not a co-author.
Tim White, a paleoanthropologist not connected to the project, says the findings were published too early, with too much left unknown — including the age of the fossils and whether concrete evidence for the intentional placement of the dead exists.
In September, University of the Witwatersrand paleoanthropologist Lee Berger and his team described the fossils — discovered by spelunkers in 2013 — in the journal eLife.
But A. deyiremeda and its neighbors do indicate that hominins with ape - size brains had developed successful adaptations to different environments, says the study's lead author Yohannes Haile - Selassie, a paleoanthropologist at the Cleveland Museum of Natural History.
To create a foot skeleton for Lucy, I essentially executed a 3 - D version of a graphic reconstruction done earlier by Berkeley paleoanthropologist Tim White and the University of Tokyo's Gen Suwa, scaled to Lucy's size using her preserved foot bones.
The partial jaw of new hominin Australopithecus deyiremeda (top) was found about 20 miles from the famous «Lucy» fossils by paleoanthropologist Yohannes Haile - Selassie.
A lengthy investigation by Science reveals allegations of sexual misconduct against noted paleoanthropologist Brian Richmond, as well as the field's response.
Manuel Domínguez - Rodrigo, a paleoanthropologist at the Complutense University of Madrid, says that in his own analysis of the Dikika bones, he found micro-abrasions along the bones» surface and intersecting striations within grooves, textures that suggest neither crocodile bites nor stone - tool cuts, but instead damage by animal trampling.
Details of the tumor confirmation, announced by an international research team led by Penn Museum Associate Curator and Paleoanthropologist Janet Monge, is available in a research paper, «Fibrous dysplasia in a 120,000 + year old Neandertal from Krapina, Croatia,» in the online scientific journal PLOS ONE.
An allegation against Richmond, the curator of human origins at the American Museum of Natural History (AMNH) in New York City, inspired a cascade of other allegations about him and motivated several senior paleoanthropologists to do battle against sexual harassment in their field.
Curtis Marean, a paleoanthropologist at Arizona State University's Institute of Human Origins in Tempe, and a co-author on the 2010 paper, and his graduate student Jacob Harris, say in an email to Science that «a reassignment of agency based on nothing more than another look by the experts is not appropriate».
Although the find was remarkable, it wasn't until this year that a team led by French paleoanthropologist Michel Brunet used CT scans to create a virtual model of the skull, revealing precise measurements of the size of the brain cavity and information about the angle at which the spinal cord exits the brain.
None of us expected that,» says paleoanthropologist Michael Westaway of Griffith University, Nathan, in Australia, a co-author on the Willerslev paper.
Drs. Harmand and Lewis co-directed the fieldwork and analysis of the findings as part of an international, multidisciplinary team of archaeologists, paleontologists, geologists, paleoanthropologists; there are 19 other co-authors on the paper.
Venerable paleoanthropologist Tattersall opens his latest book recalling the time when, as a young researcher in the»70s, he traveled to the Comoros Islands to study lemurs and instead found himself in the midst of a coup.
Those same scanners also make it possible for paleoanthropologists to look inside the fossils of ancient hominids and see things that until now have been shrouded in mystery.
Dr. Lewis wanted to be a paleoanthropologist working in East Africa since he was 13, when he read a book about the famous Lucy skeleton of Australopithecus afarensis.
Members of a team led by paleoanthropologist Isaiah Nengo estimated the fossil's age by assessing radioactive forms of the element argon in surrounding rock, which decay at a known rate.
At roughly 320,000 years old, the excavated Middle Stone Age tools are the oldest of their kind, paleoanthropologist Rick Potts and colleagues report in one of the new papers.
Stunning fossils of a claimed new human species have stirred up great excitement among paleoanthropologists, but some researchers have also flinched at the hype accompanying the unconventional excavation.
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.
«Sediba is too late to sit on the lineage,» says paleoanthropologist Tim White of the University of California, Berkeley.
When paleoanthropologist Lee Berger unearthed a fossil near Johannesburg, South Africa, it seemed to be a jumble of parts: a braincase similar in size to that of an Australopithecus africanus, a Homo erectus pelvis, and the arms of a Miocene ape.
Despite the age and unprecedented completeness of the new ape skull, no reported tooth or skull features clearly place N. alesi close to the origins of living apes and humans, says paleoanthropologist David Begun of the University of Toronto.
«More experimental work on bone damage caused by big, hungry crocs is also critical,» says coauthor Tim White, a paleoanthropologist at the University of California, Berkeley.
In October 2004 paleoanthropologists announced the discovery of a new human species that lived as recently as 17,000 years ago on the Indonesian island of Flores.
Paleoanthropologist John Hawks of the University of Wisconsin - Madison, who was present when Henneberg made his case, notes on his blog that Brown's CT scan «has rather poor resolution (typical of medical CT scans), and cuts through the lingual cusps of the lower M1, not the buccal (cheek) cusps which appear to have been most affected by the irregularity.»
Donald Johanson, the paleoanthropologist who found Lucy more than 40 years ago, noted that other fossils discovered nearby also appear damaged, possibly from a stampede, or from the weight of sediment and other material collecting over millennia.
Intermixing does not surprise paleoanthropologists who have long argued on the basis of fossils that archaic humans, such as the Neandertals in Eurasia and Homo erectus in East Asia, mated with early moderns and can be counted among our ancestors — the so - called multiregional evolution theory of modern human origins.
Now there are 25,» says Ian Tattersall, a paleoanthropologist and influential author of books such as Becoming Human.
«It confirms this idea that our lineage, Homo, is a response to climate change,» says Brian Villmoare, a paleoanthropologist at the University of Nevada, Las Vegas.
«Dmanisi was a good place to die,» says Martha Tappen, a paleoanthropologist at the University of Minnesota and part of the Dmanisi team since 2001.
Paleoanthropologist Peter Brown of the University of New England in Armidale, Australia, who led the initial analysis of LB1, says his own photograph of the occlusal (chewing) surface «shows there is no filling.
Most paleoanthropologists believe that the hobbit belongs to a new species of human, Homo floresiensis.
The inside surface of Jebel Irhoud braincases, which were long and low, has a distinctive shape that perhaps represents an early evolutionary step toward later humans» rounded skullcaps, suggests paleoanthropologist Chris Stringer.
Sahle's group expanded on research previously conducted by paleoanthropologist Jackson Njau of Indiana University Bloomington.
Studies of DNA from living Africans, and from the 2,000 - year - old African boy, so far indicate that at least several branches of Homo — some not yet identified by fossils — existed in Africa roughly 300,000 years ago, says paleoanthropologist John Hawks of the University of Wisconsin — Madison, a member of the H. naledi team who refrains from classifying Jebel Irhoud individuals as H. sapiens.
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