Sentences with word «hominid»

The country has proved to be one of the richest sources of hominid fossils in the world, producing nearly half of all such fossils discovered worldwide in the past three decades.

Ongoing excavations at Dmanisi, a site in the Republic of Georgia, have yielded scores of early hominid fossils, including five skulls and, most recently, a complete male pelvis found in 2014.

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Like Pygmy CHIMP, Adrienne L. Zihlman, U.C. Santa Cruze, «Zihlman compares the pygmy chimpanzee to «Lucy,» one of the oldest hominid fossils known, and finds the similarities striking.

He believes the five skulls represent at least two other early hominid species.

Thus, it may well be that our early hominid ancestors toted their babies around, too, rather than letting them crawl.

BRAINY CHIMPS Some modern chimps have brain surface features that were thought to have signaled humanlike brain evolution in hominids from as early as 3 million years ago, scans suggest.

When anthropologists first analyzed the bones of an 18,000 - year - old hominid found on the Indonesian island of Flores, they were struck by its diminutive size (just three feet tall) and small brain (more chimp - size than human).

In a paper published in Nature on May 27, 1993, «Implications of the Copernican Principle for Our Future Prospects,» Gott noted that the Copernican - based calculation gives H. sapiens an expected total longevity comparable to that of other hominid species (H. erectus lasted 1.6 million years) and of mammal species in general (whose average span is 2 million years).

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MRI scans of eight chimp brains (one at right) provide new detailed looks at surface folds used to interpret brain impressions on ancient hominid skulls.

Added a page listing type specimens for hominid species.

So I'm not at all sure what bigger brains have to do with hominid evolution.

THE odd leg bones and prominent brow ridges of a fossil hominid found in Belgium in 1830 clearly belong to an ancient relative of Homo sapiens.

Ancient toolmaking approaches varied greatly from one part of Africa to another, with hominids employing diverse mixes of old - school chopping tools and newer, sharp points, says archaeologist John Shea of Stony Brook University in New York.

Still, factors other than climate fluctuations, such as hominid population declines or surges, may also have spurred ancient tool innovations to acquire more or different types of food, cautions archaeologist Yonatan Sahle of the University of Tübingen in Germany.

The new fossils were found near where another species of hominid lived at the same time.

To learn more about the evolution of the «power squeeze» — the grip we use to hold a hammer — University of Kent anthropologist Matt Skinner compared hand and wrist bones from living and extinct hominids using 3 - D X-ray technology.

GENE BANK Scientists extracted the oldest known hominid DNA from this 400,000 - year - old leg bone excavated in a Spanish cave.

Third, and perhaps most surprising, the skull is nearly twice as old as any other hominid skull ever uncovered.

But other genes were probably also involved, because hominid brain expansion took place in multiple stages over 2 million years, says Ajit Varki, a molecular biologist at the University of California, San Diego.

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The skulls from Georgia are not the only hominid remains rewriting our history.

Groove patterns on the surface of modern chimpanzee brains throw a monkey wrench into proposals that some ancient southern African hominids evolved humanlike brain characteristics, a new study suggests.

Rather, they were a much more primitive hominid population, possibly Homo habilis, whose members lived in, or at least transited, Dmanisi much earlier than what our accepted chronology of human evolution indicates.

For thousands of years, Neanderthals were the only hominids living in Europe and parts of Asia.

``... the fossil record reveals that the features possessed by the early hominids who lived in Europe, Asia and Africa, have exactly the same sort of range as those we see in modern people.»

Having an accurate time scale is a crucial aspect of reconstructing how anatomical and behavioral characteristics of early hominids evolved.

They studied genetic data from 1,983 living individuals across Africa, Europe, Asia, Oceania, and the Americas and concluded that Neanderthals or another ancient hominid group must have interbred with our ancestors at least once, in the eastern Mediterranean, soon after humans migrated out of Africa.

Ah, so we should all eat tiger nuts and fruits and invertebrates because of this one study, and about hominids who lived 2.4 million years ago.

There seemed to be two periods of interbreeding between modern and ancient humans (such as Neanderthals, perhaps Denisovans, and other large - brained hominid cousins).

Leakey and her colleagues call the new hominid Australopithecus anamensis.

Scientists suspect the first hominids appeared sometime between 8 million and 6 million years ago.

This circumstance gave rise to the hegemonic period of mammals, where the first bipedal hominids emerged around 7 million years ago.

Begun was looking for ancient hominid bones when he spotted the teeth trapped beneath a rhino's shoulder blade.

Lordkipanidze et al 2007 estimate that the Dmanisi hominids weighed between 40 and 50 kg (88 and 110 lbs) and were between 145 and 166 cm in height (4» 9» and 5» 5»).

Only the animal's face, jaw and teeth survive, and their shape places it within the African hominid lineage that gave rise to gorillas, chimps and humans.

Although that leaves Graecopithecus» evolutionary status unresolved, Skinner agrees with Begun that researchers should look for hominid origins in Europe as well as in Africa.

If you suddenly find yourself in the company of paleoanthropologists or swamped by news of the latest hominid fossil find, there's a good chance you'll hear the phrase last common ancestor (LCA).

U-Pb dating of fossil enamel from the Swartkrans Pleistocene hominid site, South Africa.

In this inherited malady, the brain is typically just 400 cc — roughly the same size as that of the early hominid Australopithecus africanus, of which «Lucy» is the best - known specimen.

By 1905, Krapina had yielded more hominid remains than any other site known at the time.

Some researchers are even producing full - length virtual skeletons to which they can attach virtual muscles and make the ancient hominids walk again.

37 Little Lucy Found A 3 - year - old female Australopithecus afarensis, the oldest remains of a child hominid ever found...

In 2005 a virtual brain of the one known skull of Homo floresiensis — the three - foot - tall hominid discovered on the Indonesian island of Flores — provided evidence in the ongoing debate about whether the creature represents a separate species or was a human pygmy with a birth defect.

Set in Africa's north - east corner, the Afar rift holds a unique record of hominid history.

Perhaps hominids used these stones to break bones, but the new study doesn't rule out other possibilities, such as trampling by animals at locations where the bones may have originated, he says.

One is an enrichment of the concept of the environment within which hominid evolution has taken place.

While excavating small pits in 2015 to evaluate the impact of a proposed field museum at Laetoli, researchers uncovered comparably ancient hominid footprints about 150 meters from the original discoveries.