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Old September 13th, 2010 #1
Alex Linder
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Default Out of Africa Theory vs Other Theories

http://vnnforum.com/showthread.php?t=116268
 
Old September 26th, 2010 #2
Hugh
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Default The incredible human journey

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Old October 23rd, 2010 #3
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Default Disprove of Out-of-Africa Theory Slowy Seeps into the MSM

New discoveries disprove “Out of Africa” myth.

The “Out of Africa” theory was not created by actual scientists. It was cooked up by left-wing college administrators and forced onto the science departments. It was a myth designed to promote the left-wing agenda on multiculturalism. Every new discovery in the fields of anthropology and genetics continues to completely disprove this left-wing fantasy.

Europeans and Asians have substantial amounts of Neanderthal ancestry, while Sub-Saharan Africans do not. Further, the Neanderthal genome project has revived the group’s placement as “proto-Caucasian.” Neanderthal can be divided into at least three regional sub-groups. Some Neanderthal, at least those living in Europe had members with fair skin and red hair.

http://cofcc.org/2010/10/new-discove...f-africa-myth/

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Old October 26th, 2010 #4
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Chinese fossil challenges traditional early-human time line, study says.


A fossil human jawbone discovered in southern China is upsetting conventional notions of when our ancestors migrated out of Africa.

The mandible, unearthed by paleontologists in China's Zhiren Cave in 2007, sports a distinctly modern feature: a prominent chin. But the bone is undeniably 60,000 years older than the next oldest Homo sapiens remains in China, scientists say.

In fact, at about a hundred thousand years old, the Chinese fossil is "the oldest modern human outside of Africa," said study co-author Erik Trinkaus, an anthropologist at Washington University in St. Louis.

Popular theory states that Homo sapiens migrated out of Africa about 60,000 years ago, at which point modern humans quickly replaced early human species such as Homo erectus and Homo neanderthalensis across the world.

Finding such an ancient example of a modern human in China would drastically alter the time line of human migration. The find may also mean that modern humans in China were mingling—and possibly even interbreeding—with other human species for 50,000 or 60,000 years.

What's more, the find seems to suggest that anatomically modern humans had arrived in China long before the species began acting human.

For example, symbolic thought is a distinctly human trait that involves using things such as beads and drawings to represent objects, people, and events. The first strong evidence for this trait doesn't appear in the archaeological record in China until 30,000 years ago, Trinkaus said.

Hoping for DNA Evidence

So far, genetic evidence largely supports the traditional timing of the "out of Africa" theory. But the newly described China jawbone presents a strong challenge, said anthropologist Christopher Bae of the University of Hawaii, who was not associated with the find.

"They actually have solid dates and evidence of, basically, a modern human," he said.

Still, the jaw and three molars were the only human remains retrieved from the Chinese cave, and the jaw is "within the range" of Neanderthal chins as well as those of modern humans, added paleoanthropologist John Hawks of the University of Wisconsin, Madison.

"If this holds up, we have to reevaluate" the human migration time line, he said.

"Basically, I think they're right, [but] I want to see more evidence," Hawks added. "I really, really hope that there can be some sort of genetic extraction from this [fossil]."

http://news.nationalgeographic.com/n...frica-science/


The "Out of Africa" theory proposes that modern humans evolved in Africa and then spread throughout the earth somewhere around 60,000 years ago, replacing earlier humans with little or no interbreeding.

The new specimen from China is basically a modern human, but it does have a few archaic characteristics, particularly in the teeth and hand bone. According to Trinkaus, this morphological pattern implies that a simple spread of modern humans from Africa is unlikely, especially since younger specimens have been found in Eastern Eurasia with similar feature patterns.

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Old October 26th, 2010 #5
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I've heard this before but I never thought it would make it onto mainstream outlets such as the BBC. Let's see if it makes it onto NBC, ABC, or CBS news. The racial implications are astounding!
 
Old January 13th, 2012 #6
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Here we see how the out of africa theory starts to fall apart

New Race/Species of Human Discovered

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Old May 1st, 2012 #7
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I think many people make a big deal out of the 'out of africa' theory, because of their flawed (and quite ironic) assumption that all of africa = modern day west african negroes, and thus if humans all came out of africa, then everyone must have been a west african negro at some point and therefore 'race don't matta yay'.

Problem is, even if this was true, this would mean that west african negroes have not evolved in 250 thousand years, making them evolutionarily stunted compared to other races.....so again, even if this was true (it isn't), it wouldn't help the racial equality argument any better.

Truth is, it doesn't really matter where 'humans' originated because archaic humans did not belong to any modern day race of people.
 
Old May 3rd, 2012 #8
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Quote:
Originally Posted by RickHolland View Post
Chinese fossil challenges traditional early-human time line, study says.


A fossil human jawbone discovered in southern China is upsetting conventional notions of when our ancestors migrated out of Africa.

The mandible, unearthed by paleontologists in China's Zhiren Cave in 2007, sports a distinctly modern feature: a prominent chin. But the bone is undeniably 60,000 years older than the next oldest Homo sapiens remains in China, scientists say.

In fact, at about a hundred thousand years old, the Chinese fossil is "the oldest modern human outside of Africa," said study co-author Erik Trinkaus, an anthropologist at Washington University in St. Louis.

Popular theory states that Homo sapiens migrated out of Africa about 60,000 years ago, at which point modern humans quickly replaced early human species such as Homo erectus and Homo neanderthalensis across the world.

Finding such an ancient example of a modern human in China would drastically alter the time line of human migration. The find may also mean that modern humans in China were mingling—and possibly even interbreeding—with other human species for 50,000 or 60,000 years.

What's more, the find seems to suggest that anatomically modern humans had arrived in China long before the species began acting human.

For example, symbolic thought is a distinctly human trait that involves using things such as beads and drawings to represent objects, people, and events. The first strong evidence for this trait doesn't appear in the archaeological record in China until 30,000 years ago, Trinkaus said.

Hoping for DNA Evidence

So far, genetic evidence largely supports the traditional timing of the "out of Africa" theory. But the newly described China jawbone presents a strong challenge, said anthropologist Christopher Bae of the University of Hawaii, who was not associated with the find.

"They actually have solid dates and evidence of, basically, a modern human," he said.

Still, the jaw and three molars were the only human remains retrieved from the Chinese cave, and the jaw is "within the range" of Neanderthal chins as well as those of modern humans, added paleoanthropologist John Hawks of the University of Wisconsin, Madison.

"If this holds up, we have to reevaluate" the human migration time line, he said.

"Basically, I think they're right, [but] I want to see more evidence," Hawks added. "I really, really hope that there can be some sort of genetic extraction from this [fossil]."

http://news.nationalgeographic.com/n...frica-science/


The "Out of Africa" theory proposes that modern humans evolved in Africa and then spread throughout the earth somewhere around 60,000 years ago, replacing earlier humans with little or no interbreeding.

The new specimen from China is basically a modern human, but it does have a few archaic characteristics, particularly in the teeth and hand bone. According to Trinkaus, this morphological pattern implies that a simple spread of modern humans from Africa is unlikely, especially since younger specimens have been found in Eastern Eurasia with similar feature patterns.

YouTube - Not all modern humans originate from Africa
From watching the video i my question is this, how can several groups of animals in vastly far away regions evolve to become the SAME species?
 
Old May 3rd, 2012 #9
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Everyone should read Erectus Walks Amongst Us. It's very good.

Quote:
Human fossils are rare because the conditions needed to preserve them are rare. 1 Early humans did not bury their dead, so animals, decomposition, and the weather soon erased all traces of them. To be preserved, a body must be buried soon (hours, days, or months, depending on circumstances) after death in a way that excludes oxygen. This can happen if a catastrophic event, such as a volcanic eruption, a landslide, or a flash flood caused the death, or the person dies in a river that is depositing silt. So, if non-Africans were the first moderns, but did not die in areas where preservation was likely, an early African skull may not be from the first modern humans. Also, northern Africa is, and was, quite accessible to Eurasians and, as we shall see in Section IV, it is likely that modern humans arose outside of Africa, then migrated in to Africa, where they and their descendants died.
Where their descendants mixed, more likely. My guess is that hss humans migrated into Africa where they mated with the primitive descendants of hominid-like creatures such as Lucy and Rhodesia "man", who were neither human or ape. This resulted in the Negro Race, which by all measure is a primitive race of human. That would explain a lot about natural African behavior (the propensity to steal, rape and murder) and their lower intelligence.

Negros are, basically, modern Australopithecus with a boost from Eurasian genes. Just my wild theory.
 
Old May 4th, 2012 #10
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Chapter 17 of the book. Fascinating reading.

http://erectuswalksamongst.us/Chap17.html
 
Old November 1st, 2012 #11
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It's really neither here nor there if humans came out of Africa or not. If they did, it was so far back that the modern human races hadn't even formed yet as the oldest found Negriod skeleton is only about 5,000 years old anyway. It's not like people looking like modern black Africans with huge afros and dashikis sauntered out of Egypt or something.
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Old July 6th, 2015 #12
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From what I've read what happened is that a long time ago (hundreds of thousands, maybe millions of years) hominids left Africa, spread out and began diverging genetically. A short time ago (40-60,000?) a group of hominids in Africa left and spread out just like the previous wave of emigration.

I do not think the above is questioned by anyone. The debate is to what degree the 2nd wave interbred with the 1st wave. OoA theory says there was no interbreeding, which is convenient for multicult people as it "proves" that we are all similar. However, most evidence seems to point to at least some degree of interbreeding between the 1st and 2nd wave. Neanderthals were in Europe and the Mid East, so every race except blacks have some neanderthal in them. The group that settled a bit deeper into Asia has some of its genetic material in all the races that formed to the east of that point. Africans also interbred with archaic hominids, which is why they have genetic markers that do not occur in any of the races that left.

=======

"Until recently, the out-of-Africa model of human evolution was favoured by most genetic analyses, but this model collapsed when the sequencing of the Neanderthal genome revealed that 1%–3% of the genome of Eurasians was of Neanderthal origin."

"The sequencing of another archaic hominin from the Denisova cave in the Altaï mountains in Siberia has further revealed that Papua New Guineans showed signs of introgression from this archaic human [15]. Further studies of 33 populations from Southeast Asia and Oceania [16] showed that Denisovan admixture was actually present in other Oceanians, Melanesians, Polynesians, and east Indonesians but was virtually absent in mainland east Asians."

"In order to better assess the possibility of admixture in Africa, Hammer and colleagues [18] recently looked for signals of archaic admixture in two African hunter-gatherer populations and in a West African farmer population using a set of 61 non-coding autosomal loci. They found that an absence of admixture could not explain observed patterns of linkage disequilibrium in the hunter-gatherer populations, suggesting that they were potentially admixed with a yet unknown archaic hominin."

"There is thus both direct [13], [15] and indirect [11], [18] evidence for archaic admixture on four continents, suggesting that modern humans have not been totally genetically isolated since their emergence, some 150–200 Kya in East Africa [22], [23]. However, there is still quite some discussion about the place, the timing, the exact numbers of admixture events, and the biological implications of these interbreeding events."


http://journals.plos.org/plosgenetic...l.pgen.1002837


My take:
It is an interesting but academic argument. I don't care what people prove happened in the distant past, as it doesn't change the way things are in the present. Whether we diverged from blacks 50,000 or 50,000,000 years ago is irrelevant, as it doesn't change the degree of divergence which is easily evident without resorting to archaeology or gene sequencing.
 
Old June 29th, 2023 #13
Hugo Böse
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How old is the "early Homo sapiens" skull from Florisbad (South Africa)?

Quote:
In 1996, Rainer Grün and coworkers used electron spin resonance (ESR) and other methods to estimate the geological age of a hominin tooth from the site, finding it to be 259,000 ± 35,000 years old. The most significant hominin fossil from the site is a fragmentary skull with parts of the forehead, face, and parietals. The combination of archaic and modern aspects of this skull led researchers to think that it may be a transitional form that preceded the first modern humans.

A transitional pre-modern human form in southern Africa 259,000 years ago was exactly what researchers expected to find in 1996. In 2020, that same finding looks more and more problematic. Today we know that Homo naledi lived around 400 km from Florisbad at around the same time. The Florisbad date seems to show that a large-brained human population existed in the same geographic region as H. naledi. Did these two very different hominin populations coexist?
We thought it was time to revisit the 1996 Florisbad age result to see how solid it looks from today’s perspective. What we found is that there are several reasons to doubt that the fossil is really 259,000 years old. The history of the Florisbad spring site and its excavations reveals many problems that the 1996 work mostly did not consider.

I have to say I am constantly struck by today’s ability to look into the history through contemporary papers and documents. To estimate the geological age of any fossil hominin specimen, we must understand the original context. In the case of Florisbad, very little of that context was recorded to a standard that would enable today’s geochronologists to be confident about the original placement of the hominin fossils.

What was recorded about the site gives serious pause to any attempt to work out the age of the hominin specimens. Methane emerging from the springs periodically erupted, mixing sediments through parts of the site where the skull and tooth were found, questioning their association and placement within the site. The original excavations reported that the hominin skull fragments came from a peat layer, but the radiation in this peat was never measured by geochronologists. That’s an important omission, because as we found, today’s geochronologists recognize peat as a seriously impressive natural concentrator of uranium.

I don’t think we’ll ever know the age of the Florisbad hominin material. It’s tragic that so much of the African hominin fossils that are now attributed to the Middle Pleistocene was unearthed at a time when detailed spatial and stratigraphic context were not often recorded. It is a mistake to think there is any “silver bullet” approach that can provide the ages of such fossils.
https://johnhawks.net/weblog/how-old...rom-florisbad/
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