Sentences with phrase «with paleoanthropologist»

On an expedition designed with paleoanthropologist Donald Johanson, examine carvings and cave paintings that illustrate life up to 40,000 years ago.

But he agrees with paleoanthropologist Rick Potts of the National Museum of Natural History in Washington, D.C., who says the idea is a nonstarter because no tools, fire, or other signs of culture have been linked to the fossils.

The team of scientists working with the paleoanthropologist Scherf compared the humerus of the 7000 year old «patient» with humeri of 11 individuals from the same site in southern Germany, where they were excavated between 1982 and 1993.

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.

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.

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.

«I think basically everyone in zooarchaeology knows there's a problem with cutmarks,» says David Braun, a paleoanthropologist at George Washington University in Washington, D.C., who wasn't involved in the study.

Roberts co-led the study with archaeologist colleague Thomas Sutikna (who also helped coordinate the 2003 dig), and Matthew Tocheri, a paleoanthropologist at Lakehead University in Thunder Bay, Canada.

Al Wusta's ancient human fossil — combined with comparably ancient stone tools found at other Arabian Peninsula sites (SN: 4/4/15, p. 16)-- challenges the view that humans left Africa in one or a few major migrations, says paleoanthropologist María Martinόn - Torres.

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.

Writing in Nature in 1964, the prominent paleoanthropologist Louis Leakey connected the tools with what he said was the first member of the human genus, Homo habilis, or «handy man.»

Paleoanthropologist Louis Leakey suggested in the 1960s that the Oldowan chopper, a crude stone tool, was the result of humans sharing information with each other.

Pääbo had been collaborating with Russian paleoanthropologists who were excavating fossils in a cave in Siberia called Denisova.

rom the moment in 2013 when paleoanthropologist Lee Berger posted a plea on Facebook, Twitter, and LinkedIn for «tiny and small, specialised cavers and spelunkers with excellent archaeological, palaeontological and excavation skills,» some experts began grumbling that the excavation of a mysterious hominin in the Rising Star Cave in South Africa was more of a media circus than a serious scientific expedition.

In another study, paleoanthropologist William Jungers of Stony Brook University in New York studied the foot of the hobbit and found it, true to its namesake, strikingly large relative to the size of the body, with very short big toes.

Using a statistics - based technique to compare their shape and size with the skulls of many other hominins, Harvard University paleoanthropologist Philip Rightmire found that only one of the Dmanisi skulls — at 730 cubic centimeters — fits «comfortably within the confines of H. erectus.»

The new study coincides with previous evidence that Ardi's lower back was flexible enough to support straight - legged walking, says paleoanthropologist Owen Lovejoy of Kent State University in Ohio.

Speakers have included famed NASA climate scientist James Hansen (paired with the Dark and Stormy — dark rum and ginger ale), astrophysicist Neil deGrasse Tyson, and paleoanthropologist Donald Johanson.

But paleoanthropologist Jeremy DeSilva of Boston University says that the new foot bone, along with a «laundry list of other features of the lower limb» make it more likely that A. afarensis was a «terrestrial biped with little time spent in the trees.»

For now, there is no way to know whether Graecopithecus jaws and teeth belonged to an ape with some hominid - like features or a hominid with some apelike features, says paleoanthropologist Bernard Wood of George Washington University in Washington, D.C. «My guess is the former.»

Efforts are under way to date the fossils and sediment from which they were excavated with a variety of techniques, said paleoanthropologist John Hawks of the University of Wisconsin — Madison.

Plenty of gazelle meat, with the occasional wildebeest, zebra and other game and perhaps the seasonal ostrich egg, says Teresa Steele, a paleoanthropologist at the University of California, Davis, who analyzed animal fossils at Jebel Irhoud.

«Clearly much more has to be done on the functionality of this, but it's tempting to think it's linked with some of the differences in sugar metabolism that have been picked up already,» writes paleoanthropologist Chris Stringer of the Natural History Museum in London, who is not a member of the team, in an e-mail.

Whatever its name, others agree that the foot is unexpectedly primitive for 3.4 million years ago: «I would have expected such a foot from a much older hominin, not one that overlapped with A. afarensis, which has a much more derived foot than this thing,» says paleoanthropologist Jeremy DeSilva of Boston University, who is not a member of Haile - Selassie's team.

The skulls do share traits with some other fossils in east Asia dating from 600,000 to 100,000 years ago that also defy easy classification, says paleoanthropologist Rick Potts of the Smithsonian National Museum of Natural History in Washington, D.C. Those features include a broad cranial base where the skull sits atop the spinal column and a low, flat plateau along the top of the skull.

The new skulls «definitely» fit what you'd expect from a Denisovan, adds paleoanthropologist María Martinón - Torres of the University College London — «something with an Asian flavor but closely related to Neandertals.»

«For me personally, I think Africa is still a strong contender for the split between chimpanzees, bonobos and whatever ends up with us, ancient hominins, but they are certainly putting forward a case in these two papers that is well worth archaeologists, paleoanthropologists, experts in the field, looking again at the record and thinking of if the African story does still stack up.»

With each new discovery, paleoanthropologists have to rewrite the origins of man's ancestors, adding on new branches and tracking when species split.

Tattersall said, «Paleoanthropologists are having a hard time letting go of the old idea that human evolution was a linear process, but fossils like this one from Dmanisi are making it ever clearer that hominid history has been one of diversity and evolutionary experimentation with the hominid potential.»

For paleoanthropologists, the Holy Grail of last common ancestors is the one we share with chimpanzees, our closest living relative.

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.