Keyword: australopithecus
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An international research team extracted information from the fossilised teeth of three Australopithecus bahrelghazali individuals -- the first early hominins excavated at two sites in Chad. Professor Julia Lee-Thorp from Oxford University with researchers from Chad, France and the US analysed the carbon isotope ratios in the teeth and found the signature of a diet rich in foods derived from C4 plants. Professor Lee-Thorp, a specialist in isotopic analyses of fossil tooth enamel, from the Research Laboratory for Archaeology and the History of Art, said: "We found evidence suggesting that early hominins, in central Africa at least, ate a diet...
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The remains of a juvenile hominid skeleton, of the newly identified Australopithecus (southern ape) sediba species, are the "most complete early human ancestor skeleton ever discovered," according to Lee Berger, a paleontologist from the University of Witwatersrand. "We have discovered parts of a jaw and critical aspects of the body including what appear to be a complete femur (thigh bone), ribs, vertebrae and other important limb elements, some never before seen in such completeness in the human fossil record," said Prof Berger. The latest discovery was made in a one-metre-wide rock that lay unnoticed for years in a laboratory until...
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His jaw must have dropped when he examined the material before him. It was a rare find. So rare, in fact, that, if what he was looking at was really what he thought it could be, it would be the first and only evidence of soft body tissue from an early hominin ever discovered.......soft tissue from an early (possible) pre-human ancestor nearly 2 million years old. The find was part of the remains uncovered by paleoanthropologist Lee Berger of the University of the Witwatersrand and his colleagues when they discovered fossils of Australopithecus sediba, a possible precursor to our earliest...
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New descriptions of Australopithecus sediba fossils have added to debates about the species' place in the human lineage. Five papers published today in Science describe the skull, pelvis, hands and feet of the ancient hominin unearthed three years ago in South Africa. The papers reveal a curious mix of traits, some found in apes and earlier Australopithecus fossils, and others thought to be unique to Homo erectus--the tall, thin-boned hominin that emerged around 2 million years ago in eastern Africa and colonized Europe and Asia--and its descendants, including modern humans.
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THE GIST Males of two early human species did not travel much, unlike females who tended to leave their places of birth.The dispersal pattern mirrors that of some other primates, such as chimpanzees and bonobos, and likely occurs to prevent inbreeding.It remains unclear if the females left of their own free will, or if they were forcibly removed from their homelands.
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...The four hominin individuals died when they fell into a "death trap" in a cave about 2 million years ago at Malapa, South Africa, according to new dates reported by Berger... In addition to the articulated partial skeletons of a youth and an older female unveiled last year in Science, the team members reported the discovery of bones of an 18-month-old infant and at least one other adult. This means they are getting a good look at Au. sediba's development from infancy to old age... Berger and members of his team sketched a quick portrait of Au. sediba, who lived...
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Remains of a 1.9-million-year-old human ancestor are so well preserved that they may contain a remnant of the male individual's brain, according to the European Synchrotron Radiation Facility in Grenoble, France, where the remains were recently examined. While DNA is very fragile and deteriorates over time, the discovery opens up the remote possibility that soft tissue with preserved DNA still exists in the prehistoric hominid, which could hold an important place on the human family tree. The examination also turned up what seemed to be fossilized insect eggs, according to scientists. They said larvae from the eggs could have fed...
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The new species of hominid, the evolutionary branch of primates that includes humans, is to be revealed when the two-million-year-old skeleton of a child is unveiled this week. Scientists believe the almost-complete fossilised skeleton belonged to a previously-unknown type of early human ancestor that may have been a intermediate stage as ape-men evolved into the first species of advanced humans, Homo habilis. Experts who have seen the skeleton say it shares characteristics with Homo habilis, whose emergence 2.5 million years ago is seen as a key stage in the evolution of our species. The new discovery could help to rewrite...
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Remarkably well preserved for a two-million-year-old fossil, this child's skull belongs to Australopithecus sediba, a previously unknown species of ape-like creature that may have been a direct ancestor of modern humans, according to a new study in Science. Scientists think this particular Australopithecus sediba fossil is from a male between 8 and 13 years old. The child's fossils were found in the remnants of a subterranean South African cave system alongside the fossil remains of an adult female in her 30s. "It's the opinion of my colleagues and I that [A. sediba] may very well be the Rosetta stone that...
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Identified via two-million-year-old fossils, a new human ancestor dubbed Australopithecus sediba may be the "key transitional species" between the apelike australopithecines—and the first Homo, or human, species, according to a new study.
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The 3.3-million-year-old fossilised remains of a human-like child have been unearthed in Ethiopia's Dikika region. The female bones are from the species Australopithecus afarensis , which is popularly known from the adult skeleton nicknamed "Lucy". Scientists are thrilled with the find, reported in the journal Nature. They believe the near-complete remains offer a remarkable opportunity to study growth and development in an important extinct human ancestor. The skeleton was first identified in 2000, locked inside a block of sandstone. It has taken five years of painstaking work to free the bones. "The Dikika fossil is now revealing many secrets about...
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A sage once said, "It's not what you know you don't know that's the problem; it's what you don't know that you don't know." When Charles Darwin advanced his theory of biological evolution, there was a lot of biology he didn't know. Some of it he recognized. But there was much he never even thought about. During the 150 years since then, scientific advance has yielded important understanding about life's origin, history and characteristics. These accomplishments provide the framework for modern biology. Even more, they are causing scientists to question his theory. Learning what scientists know will equip Christians with...
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3.3 million years ago, a three year old girl died in present day Ethiopia, in an area called Dikika. Though a baby, she provides researchers with a unique account of our past, as would a grandmother. Her completeness, antiquity, and age at death combine make this find unprecedented in the history of paleoanthropology and open many new research avenues to investigate into the infancy of early human ancestors. The extraordinary discovery reported this week in the scientific journal Nature, was found in north-eastern Ethiopia, by a paleoanthropological research team led by Dr. Zeresenay Alemseged of the Max Planck Institute in...
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No more love for Lucy? Ryan Jaroncyk For over the last 30 years, the supposedly 3 . 2 Ma old Australopithecus afarensis specimen known as ‘Lucy’ has been boldly proclaimed as the ancestor of all humanity in magazines, television shows, books, newspapers and museums. However, Tel Aviv University anthropologists have published a study casting serious doubt on Lucy’s role as mankind’s ape ancestor.1 Based on a comparative analysis of jaw bones in living and extinct primates, researchers concluded that Lucy and members of her kind should be ‘placed as the beginning of the branch that evolved in parallel to ours.’...
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When fossils of a diminutive, recently extinct race of humans were discovered in a cave on Flores, one of the most easterly islands of the Indonesian archipelago, researchers can be forgiven for assuming they were down-sized by the peculiar selection pressures that act upon insular species. On Flores, natural selection has morphed several familiar species to unfamiliar sizes. There be dragons: three metre, 200kg monitor lizards, also known as the Komodo dragon, plus the fossilised remains of an extinct giant rodent, Spelaeomys, and extinct Stegodon pigmy elephants. The tiny skulls of the Flores fossils ignited a heated, sometimes ad hominin,...
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Jawbones from an early human ancestor, found recently in northeast Ethiopia, could shine light on a murky period of human evolution, paleontologists say. The bones were found in the fossil-rich Afar region, just 20 miles (32 kilometers) north of the spot where the famed skeleton of "Lucy" -- early human ancestor who lived 3.2 million years ago -- was unearthed in 1974... The new bones are believed to date from 3.8 million to 3.5 million years ago. Though more research needs to be done, the group says the bones could bridge the gap between two known human ancestor species. Australopithecus...
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Hominid fossils show their age By Dr David Whitehouse BBC News Online science editor Australopithecus fossils from caves in South Africa may have been buried about 4 million years ago, as much as 1 million years earlier than previously thought. Australopithecus is an important hominid - human ancestor - that demonstrates the transition from ape-like features to human ones. Its kind were first discovered in East Africa and lived about four million years ago. Researchers used a technique that measured the decay of radioactive isotopes formed when the fossil was on the surface, but which declined when it was buried....
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