Meave leakey fossil million years dating
A commentary in Nature Magazine by Daniel Lieberman of the Department of Paleontology, the George Washington University, says the new fossil is "presumed to have evolved…" [Nature, March 22, 2001] The Washington Post report says: "If it turns out that the newly discovered species did eventually evolve into modern humans…." That's a big "if" that will likely take years to determine.
The Los Angeles Times admits: "Only about 30 fragments of skull and jaw were found, but no long bones or ribs.
“We are more certain that 1470 was not a one-off, and not everything 1470 is big.” In their first formal report, Dr.
Leakey and her colleagues wrote in the journal Nature, “These three specimens will greatly aid the reassessment of the systematics and early radiation of the genus Homo.” They, however, chose not to assign the fossils to any existing or new species until more analysis is conducted on contemporary hominids.
Readers have to scan news reports for the assumptions and qualifiers.
Determining if the new fossils belong to rudolfensis or habilis, he said, “would depend on ongoing comparisons with the original fossil assemblage” at Olduvai Gorge in Tanzania, where the first and many other habilis and contemporary specimens have been excavated. “More work needs to be done using the faces and lower jaws of modern humans and great apes to check how different the shapes and the palate can be among individuals in living species.” All in all, the state of hominin affairs that paleoanthropologists are left with is neatly summed up in the title of Dr.
An assessment of recent finds at Olduvai as well as the 1470 fossil, by Ronald J. Wood’s article, “Facing Up to Complexity.” He concluded with the prediction that “by 2064, 100 years after Leakey and colleagues’ description of H.
When you read the news reports carefully you see how eager scientists and reporters are to turn speculation into scientific fact.
The Boston Globe headline reads: "New fossil adds an early branch to the human family tree." But in the Associated Press story, Meave Leakey, who discovered Flat-faced man, is quoted as saying the chances are 50-50 this species could have been an early ancestor of human beings.
Chris Stringer of the Natural History Museum of London, who had no part in the research, agreed that it looked as if the new discoveries “confirm the distinctiveness of 1470” and “therefore confirm the existence of a distinctive kind of early human around 1.8 to 2.0 million years ago.” But he noted that “there remain many uncertainties” about the 1470 fossil “and whether it might still be just a large specimen of Homo habilis.” Another problem, Dr.