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Researchers Have Toehold on Past Million Years

Monday, March 25, 2013

Researchers at the Max Planck Institute in Leipzig, Germany last week announced they have completed the first high-quality sequencing of a Neanderthal genome based on a hundredth of a gram of DNA extracted from a 100,000 year-old toe bone in a Russian cave and are making it freely available online for other scientists to study. Advantageously, Neanderthal and Denisovan remains were found in the same cave, making for breakthrough comparisons in hominid history. 

Read more: http://www.foxnews.com/science/2013/03/19/researchers-publish-full-neanderthal-genome

In a press release on March 19, 2013, Dr. Svante Pääbo, the head of the team that released the draft genome of Neanderthal man three years ago, said:  “We are in the process of comparing this Neandertal genome to the Denisovan genome as well as to the draft genomes of other Neandertals. We will gain insights into many aspects of the history of both Neandertals and Denisovans and refine our knowledge about the genetic changes that occurred in the genomes of modern humans after they parted ways with the ancestors of Neandertals and Denisovans.” 

The group plans to publish a major paper later this year. 


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Were Neanderthals the First Artists?

Tuesday, December 04, 2012

Were Neanderthals capable of creating art? The idea seems shocking to us. After all, we learned in school that these were brutish savages without higher thinking and symbolic thought or expression. The picture of a Neanderthal making hand prints in Spanish caves or making shell necklaces is odd indeed because art is largely “considered evidence of sophisticated symbolic thinking, [and] has traditionally been attributed to modern humans, who reached Europe some 40,000 years ago” according to the recent Wired Science article, “First Painters May Have Been Neanderthal Not Human.” (Left:  Panel of Hands in the El Castillo Cave, Spain, dated to 37,300 years old, photo by Pedro Saura.)


So how could that be possible? Where did they get artistic expression? And was it genetic? Or was it learned?  We are not yet clear whether there were Neanderthal-human babies. After the initial, scientific bombshell in the May 7, 2010 article in Science, “A Draft Sequence of the Neandertal Genome” suggested that many of us  “[have] 1-4% Neanderthal DNA”  and Neanderthal-human hanky-panky must have been going on, some scientists are now doubting it and believe we only share a common ancestor. A recent article in Discoveyr, discusses this in “Humans, Neanderthals Did not Have Babies,” as does a recent Smithsonian article, “Hot for Hominids- Did Humans Mate with Neanderthals or Not? “ The latter takes the middle ground-quoting Ed Yong from Discover magazine that it was probably a “rare” occurrence and every population has that “weird” person in the group which is not indicative of the actions of a community. If this theory is correct, perhaps, it wasn’t the popular thing to do.  However, whether your ancestor went to bed with Neanderthal Jane or not, many now think Neanderthals, not humans, may have been the earliest artists.

A recent Daily News and Analysis article, “Neanderthals Learned to Make Jewelry and Tools from Modern Humans, “ says an international team from the Max Planck Institute in Germany suggests there was a “cultural exchange” between the two species and there is evidence that Neanderthals “learned how to make jewelry and sophisticated tools” from the early ancestors of humans. The reasoning behind this is based on the fact that artistic relics were found near Neanderthal remains but the artwork was “clearly” indicative of human hands. So the conjecture is that it must have been learned.

Whether this is true or not, Neanderthals were creative.  According to Kate Wong, in her recent Scientific American article, “Oldest Cave Paintings May Be Creations of Neanderthals , Not Modern Humans,” according to archeological evidence, Neanderthals  not only wore feathers but “painted their skin” and “made jewelry from teeth and shells.”

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But was their artistic expression learned? There are those that do not think so. According to Eric Wayner, in a recent Smithsonian article, “Do Feathers Reveal Neanderthal Brain Power?” Neanderthals wore feathers as personal adornments which showed them to be “capable of symbolic expression.”  And Wong says, there are Spanish and French caves thousands of years old with cave paintings long thought to be the artwork of early humans that are now thought to be the work of Neanderthals. Why? She says because of recently refined techniques of radiocarbon dating, that these paintings are “significantly older” than once thought. In fact, some may be older than the date when the first humans arrived in Europe around 41,500 years ago. When there were thought to be only Neanderthals.  “A large red disk” on one of the Spanish caves, El Castillo, is “at a minimum 40,800 years old, making it some 4,000 years older than the Chauvet paintings which were previously thought to be the oldest in the world.”  This and a “stretch of limestone wall with dozens of hands” in the same cave are both thought to possibly be the handiwork of Neanderthal painters because the “estimates” are considered to be at best a conservative “minimum.” According to Ker Than, in the recent National Geographic Daily News article, “The new dates raise the possibility that some of the paintings could have been made by Neanderthals who are thought to have lived in Europe some 30,000 or 40,000 years ago.” 

So if Neanderthals were painters where did they get their creative expression if not from humans? Wong says that both “modern humans and Neanderthals might have inherited their capacity for symbolic thinking from their common ancestor.”  And she says, if that is the case, “the roots of our symbolic culture go back half a million years.”

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Giants with Double-Rowed Teeth, Flattened Heads and Six Fingers

Saturday, October 13, 2012
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Were They Possibly Denisovan Hybrids?

The Cherokee called them the Moon People. The Utes and Paiutes spoke of a hideous race of cannibals ten feet tall living in caves. And the Choctaw also have an account of the race of giants that first colonized the Ohio Valley. 

From Old World Roots of the Cherokee, chapter 5, "America's Middle Ages," pp. 78-79, we read:

What kind of Indians lived in the territory the Choctaw and Chickasaw carved out for their new home? According to their traditions, reports Cushman, as confirmed by excavations of bones in Tennessee, it was a “race of white giants”:

[T]he tradition of the Choctaws . . . told of a race of giants that once inhabited the now State of Tennessee, and with whom their ancestors fought when they arrived in Mississippi in their migration from the west, doubtless Old Mexico. Their tradition states the Nahullo (race of giants [literally, wizards]) was of wonderful stature; but, as their tradition of the mastodon [which used to be found on the Great Plains], so this was also considered to be but a foolish fable, the creature of a wild imagination, when lo! Their exhumed bones again prove the truth of the Choctaws’ tradition (151).

These giants could have been Rafinesque’s Atlans.

Cushman then recounts the discovery in 1880 at a burial mound site near Plano, Texas, of human bones “of enormous size . . . the femoral bones being five inches longer than the ordinary length, and the jaw bones . . . so large as to slip over the face of a man with ease.” Cushman goes on to identify them with the older occupants of North America called Allegewi or Taligewi (Talegans). Many historians, moreover, speculate they were the builders of the Adena mounds.

As for the Chickasaw, Cushman notes that they have no record of their history before the colonial period, although it is assuredly "the same as the Choctaws, being one tribe and people until the division made by their two chiefs Chikasah and Chahtah many years after their arrival and location east of the Mississippi River" (p 358). Of the Natchez, Cushman records that they, "if tradition may be believed, also came from Mexico where they had lived for centuries" (p 440).

A story was told by the Comanches in 1857: 

Innumerable moons ago, a race of white men, ten feet high, and far more rich and powerful than any white people now living, here inhabited a large range of country, extending from the rising to the setting sun. Their fortifications crowned the summits of the mountains, protecting their populous cities situated in the intervening valleys. They excelled every other nation which was flourished, either before or since, in all manner of cunning handicraft—were brave and warlike—ruling over the land they had wrested from its ancient possessors with a high and haughty hand. Compared with them the palefaces of the present day were pygmies, in both art and arms. They drove the Indians from their homes, putting them to the sword, and occupying the valleys in which their fathers had dwelt before them since the world began. At length, in the height of their power and glory, when they remembered justice and mercy no more and became proud and lifted up, the Great Spirit descended from above, sweeping them with fire and deluge from the face of the earth. The mounds we [i.e. the speaker Chief Rolling Thunder and his Spanish listener] had seen on the tablelands were the remnants of their fortresses, and the crumbling ruins that surrounded us all that remained of a mighty city.[i]

The word Nahoolo or Nahullo “is now emphatically applied to the white race and no other . . . The Nahullo were of white complexion, according to Choctaw tradition, and were still an existing people at the time of the advent of the Choctaws to Mississippi,” concludes Cushman (p 153) . In agreement, the Indian trader Adair often refers to the Nani Ishtahoolo as departed white ghosts vested with spiritual powers whose descendants were priests and magicians. Their cries and magic spells could still be heard in the mounds like those at Ocmulgee.[ii] These references contribute to the suspicion that the “Indians” who preceded Asiatic tribes from Mexico were, as we would say today, Caucasian.

About exactly a year ago on this blog, we published a post about "Neanderthals in America," mentioning also the peculiar archaic skeleton that is now a roadside attraction in Arizona, called The Thing. In the meantime, we acquired a copy of Fritz Zimmerman's book, The Nephilim Chronicles, which reproduces over 300 historical accounts of Giant skeletons. Many are associated with the earliest mound sites in America, but Zimmerman's survey of this worldwide phenomenon ranges from the Hunter-Fisher People of northeast Europe and Red Paint People whose movements were circumpolar to the giants of the Bible, noted by the Babylonian Talmud as having double rows of teeth, and "Giants' Remains in the British Isles" (pp. 157-65).

Navajo legends speak of the Starnake People, a regal race of white giants endowed with mining technology who dominated the West, enslaved lesser tribes and had strongholds all through the Americas. They were either extinguished or "went back to the heavens." The name may be a corruption of the Biblical race known as Anakim (Num. 13:33, Deut. 1:28). The name Og (Hebrew "chief") appears to be characteristic (see Zimmerman, pp. 188-91). The ogham alphabet is attributed to this cultural founder. 

Certainly, many of the mound sites uncovered in the nineteenth century tell a story of constant warfare by incoming Asiatic tribes  against the giants occupying the land. One grisly scene showed thousands of skeletons, male, female and young heaped in a mass grave, with warriors' skulls pierced by arrows. It would appear that as these aboriginal inhabitants of the Ohio Valley were gradually displaced, some members of their society went over into the ranks of the new conquerors, bequeathing a strain of great stature still noticeable, for instance, in the Mobilian chief Tuscaloosa and DeSoto's Indian queen Cofitachiqui, both of whom were said to be seven feet tall.

We are struck by the following traits of this giant race or ethnic group from human prehistory:

  • Mother Goddess religion
  • Copper (not bronze) axes 
  • Polished slate tools including fishing plummets, which were apparently regarded as sacred
  • Belief that the Grandmother Moon was the repository of souls
  • Diet emphasizing shellfish (for which the double row of teeth probably was selected as an evolutionary advantage in their beachcomber origin out of Africa?)
  • Building of fish weirs in North American rivers to trap migrating eels
  • Certain vegetarian habits (wild rice, for instance)
  • Inscriptions on artifacts, especially pipes, often buried with the dead
  • Use of coal and petroleum
  • Weaving and looms
  • Knowledge of seafaring, mathematics and engineering, including canals and irrigation
  • Burying of a dog with a child to guard the latter in the afterlife
  • A language apparently Afro-Asiatic and close to Semitic tongues
  • Kingcraft:  nobles were buried in seated positions on thrones surrounded by a coterie of their retainers

When Denisovan Man was first discovered, we had just a fingerbone to go on. We can only extrapolate the look of the skull. Geneticists conjecture, however, that it was an Austronesian type. We suggest that a modern prize of science will belong to the geneticist who can derive ancient DNA to study and classify from the bones of giant hominids that are unavoidably plentiful in the archeological and mythological records of humankind. 

Maybe the owner of The Thing will allow researchers to borrow one of the femurs for laboratory analysis and measurement. If that's not possible, the Smithsonian, Carnegie Institute and dozens of local historical societies throughout the Midwest have basements and storage facilities brimming with these relics of American history.

Above:  Patagonian giants. 



   


[i] Nelson Lee, Three Years among the Camanches. Albany:  Baker Taylor, 1859) 194. See also Cyclone Covey, Calalus: A Roman Jewish Colony in America from the Time of Charlemagne Through Alfred the Great (New York:  Vantage) 144-45.

[ii] Adair 37. 

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How Did That Neanderthal DNA Get Into Me?

Thursday, August 23, 2012
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A new Cambridge University study claims that the 1-4% Neanderthal DNA in the average European is not the result of admixture or hybridization, as widely believed when the Neanderthal sequences were discovered in human DNA, but the signature of a remote split in hominid species in early Africa. The study is headlined "Humans, Neanderthals Did Not Have Babies" in Discovery News. According to the new model, Neanderthals died out 30,000 years ago in Europe and never had the opportunity to produce hybrid progeny with anatomically modern humans (Homo sapiens sapiens). 

But the new model is just that, a model, and proves nothing, say many critics of the explanation. Statistical programs can be set up to "prove" anything. The new model just proves that it could be a scenario that might have occurred in the dim human past. Not all possible scenarios are true, and in fact, many possible scenarios are unlikely . . . and well, not possible except in a statistical sense.

Essentially, the Cambridge study uses a conclusion to prove a hypothesis. It's supposed to work the other way around. And we thought Cambridge was the home of logicians!

Also, why are there no Neanderthals in Africa?

See our post "Most Humans Part Neanderthal"

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British Bones Push Back Date for "First Anatomically Modern Human" in Northwestern Europe

Wednesday, November 23, 2011

A Missing Link from Kent's Cavern in Devonshire

A prehistoric maxilla (upper jawbone) fragment was discovered in the cavern during a 1927 excavation by the Torquay Natural History Society, and named Kents Cavern 4. The specimen is on display at the Torquay Museum.

Although previous radiocarbon dating suggested the bone was about 35,000 years old, a new study in Nature redates it securely to 44.2-41.5 kyr. The article by Tom Higham et al., "The Earliest Evidence for Anatomically Modern Humans in Northwestern Europe," also claims that on the basis of dental comparisons it is "human" rather than "Neanderthal."

The Kent's Cavern fragment "therefore represents the oldest known anatomically modern human fossil in northwestern Europe, fills a key gap between the earliest dated Aurignacian remains and the earliest human skeletal remains, and demonstrates the wide and rapid dispersal of early modern humans across Europe more than 40 kyr ago."

A related article in the same issue of Nature is "Early Dispersal of Modern Humans in Europe and Implications for Neanderthal Behavior," by Stefano Benazzi et al. It attempts to place the so-called Cavallo fossil from southern Italy in a timeframe of about 44,000 years ago, thus suggesting a "rapid dispersal of modern humans across the continent before the Aurignacian and the disappearance of Neanderthals."

Neither study considers that the evidence they are examining may be the result of hybridization between "humans" and "Neanderthals." Like most geneticists the authors have rigid categories and do not consider that our definitions of species and sub-species and transitions in technocomplexes and traits are in flux as new discoveries are made.

One man's Mede may be another man's Persian, and we note that the "fossil race" is not devoid of scientific jingoism pitting one country's news-making finds against another's. So far England seems to be winning.

However, the British still have to live down Piltdown Man, a fraud of biblical proportions that fooled the world for almost half a century until the 1950s. The Piltdown hoax is perhaps the most famous paleontological hoax ever. It has been prominent for two reasons: the attention paid to the issue of human evolution, and the length of time that elapsed from its discovery to its full exposure as a forgery combining the lower jawbone of an orangutan with the skull of a fully developed modern human.

The editors sum up the two new studies by writing, "The reanalysis of findings from two archaeological sites calls for a reassessment of when modern humans settled in Europe, and of Neanderthal cultural achievements." We wish that the paleontological community would think more out of the box and reassess how, when and where "humans" and "Neanderthals" interbred. 


Location of Kent's Caverns in Devon.


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Do You Have a Mental Foramen? You Might be Part Neanderthal

Thursday, November 10, 2011
A mental foramen is a small hole in the mandible whose purpose is to allow passage of nerves and vessels to the brain and probably also to relieve tension during chewing and gnawing. It has been identified as a sign of archaic humans, including Neanderthals. Do you have one?

I asked my dentist to look at my X rays on file and he confirmed I have a mental foramen. He has often told me I have "powerful" jaws. It is unclear whether there are normally two of them and what their typical positions are.

In a previous blog post, "Neanderthals in America," we discussed mental foramina (the plural of foramen), occipital bulges or bumps and other archaic skeletal traits. Melungeons seem to have many of these ancestral marks.

Do you? You might want to check with your dentist.

Studies show that Europeans have, on average, between 1 and 4 percent Neanderthal genes from an early out-of-Africa interbreeding period in the Middle East. Science has not decided to consider Neanderthals a separate species or sub-species in relation to H. sapiens sapiens (humans).

DNA Consultants offers an estimate of Neanderthal ancestry based on matches with other archaic humans called Neanderthal Index.

Line drawing of Neanderthal male ©DNA Consultants.



More information about Melungeons
Toward a Genetic Profile of Melungeons in Southern Appalachia
Melungeon Studies
Melungeon Match

Comments

Anonymous commented on 27-Dec-2011 06:06 PM

Apparently everybody has two mental foramina, one on each jaw, but the position and size are different for different people.


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Neanderthals in America

Tuesday, October 18, 2011

Yes, Virginia, there is a Neanderthal fossil record in America. And apparently a Neanderthal hybrid fossil record.

No genetics publication has put all the evidence together: the genetics establishment is still in denial about most things Neanderthal. The evidence is scattered and mostly unrecognized, but, in our opinion, conclusive and compulsive. Consider the following article:

Frank L'Engle Williams and Gail E. Krovitz, "Ontogenetic Migration of the Mental Foramen in Neanderthals and Modern Humans," Journal of Human Evolution 47/4 (Oct. 2004) 190-219. 

The mental foramen (literally "mind's little hole") is an anatomical trait very pronounced in Neanderthals, a small dimple in the lower jaw of the skull beneath the teeth, or mandible. It is found sporadically in humans, where it is classified as archaic. Among the places where it has been identified are the Oleniy Islands and Baltic region, Northwestern Russia in Cro-Magnon like Europoid and Mongoloid types, along with "large and massive" torus occipitalis or Anatolian bumps (Alexander Mongait, 1959; Marija Gimbutas, 1956); Bakhehisarai in the Crimea (Alexander Mongait, 1959); the Joman or Ainu of Japan (Carleton Stevens Coon, 1962); and the "race of giants" continually being unearthed in West Coast, Ohio Valley and New England archeological sites, caves and mounds.

Archaic giant skeletons with mental foramina, occipital bumps, double rows of teeth and other Neanderthal features are reported, in fact, all over the Americas. Fritz Zimmerman has gathered a lot of the evidence in a new book titled Nephilim Chronicles, of which a small excerpt was published in Ancient American magazine, issue 91, pp. 24-27. Here is one of the newspaper reports he cites:

Evening News (Ada, Oklahoma), November 8, 1912. PRIMITIVE MEN OF GIGANTIC STATURE.
Eleven skeletons of primitive men, with foreheads sloping directly back from the eyes and two rows of teeth in the front of the upper jaw, have been uncovered at Craigshill at Ellensburg, Washington. They were found about twenty feet below the surface, twenty feet back from the face of the slope, in a cement rock formation over which was a layer of shale. The rock was perfectly dry. The jawbones, which easily break, are so large that they will go around the face of a man today. The other bones are also much larger than those of the ordinary man. The femur is twenty inches long, indicating a man of eighty inches tall [6' 8"]. The teeth in front are worn almost down to the jawbones, due, it is believed, to eating uncooked foods and crushing substances with the teeth. The sloping skull shows an extreme low order of intelligence.

We note that the female mummy clutching a child known as The Thing on display at a roadside attraction on Interstate 10 north of Tombstone, Arizona, has a double row of teeth. It supposedly was one of three skeletons sold to the operator of the original site for $50 by a Chinese gentleman passing through. The Thing is discussed in several works by David Hatcher Childress. (My son and I paid our two bucks and saw it last Christmas on a road trip.)

Photo above:  Archaic skull from Oleniy Island studied by Marija Gimbutas among other archeologists, showing the position of the mental foramen, the result probably of Neanderthal interbreeding.

Photo below:  The Thing.






Comments

Kathryn Halliday commented on 19-Oct-2011 11:50 AM

Very interesting article. What caught my eye is the article from Ada, Oklahoma---where I was born and now live in my old age. It is the center, after the removel, of the Chickasaw Nation.

Fritz Zimmerman commented on 01-Feb-2012 11:38 AM

There are many cases of "archaic" type skulls that are associated with the Maritime Archaic who migrated to North America (by boat) from 7000 - 2000 BC. They eventually migrated in to the Great lakes region. These are a few of headlines of giant skeletons
with Neanderthal like skulls in the Great Lakes http://gianthumanskeletons.blogspot.com/2012/01/giant-human-skeletons-with-archaic.html This link will take you to headlines from the coastal regions, where more of these Neanderthal looking skulls were uncovered.
http://gianthumanskeletons.blogspot.com/2012/01/giant-human-skeletons-headlines.html

Anonymous commented on 02-May-2012 11:12 PM

Yes there is overwhelming evidence to support this im one of the rare people who have in my possession a skull showing brow ridge teeth leg bones and hundreds of tools. Drockhound texas


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Charles Darwin, Neanderthal

Friday, September 30, 2011

Did you know that Charles Darwin's On the Origin of Species, published in 1859, does not contain a single mention of the word "evolution"? I am reading it for the first time and was struck not only by the absence of that term in Darwin's first edition (it does begin to creep in after 20 years in later editions) but many other discrepancies between the historical Darwin and modern Darwinism.

For those inclined to believe conspiracy theories--for instance, that it was not Darwin, but Darwinists or even anti-Darwinists who invented the theory of evolution--here are some items to consider:

  •  Darwin was a mediocre student at Cambridge, where he learned little science or mathematics and preferred theology. "He passed the final examination in January 1831 at an undistinguished position, tenth in the list of candidates who did not seek honours" (Richard Keynes, in the introduction to the first edition of Darwin's On the Origin of Species, published by the Folio Society, 2006).
  • Darwin's disordered notebooks and papers, in which he supposedly developed the theory of evolution, only to keep it "secret" for 20 years, were not transcribed and published until 2000.
  • The modern reconstruction of Darwin's theory of evolution evolved itself. It began to take iconic form only after the 1960s, when historians of science began to "read between the lines" of Darwin's work. His career was divided into an initial period of 10 years when he was a biologist on the Beagle, then a "secret period" of 20 years until he and Alfred Russel Wallace "simultaneously" broke the theory in 1858, and finally another 20 year period until "evolution" began to appear in his writings by name shortly before his death. 
  • Darwin's interests were erratic, not to say eccentric. He spent eight years studying the sex life of a Peruvian barnacle. He published four extensive monographs on the subject between 1851 and 1854. During this period he wrote nothing on "transmutation of species," the early term for "evolution." His young son asked a playmate, "Where does your father do his barnacles?" (Keynes, xxi.)
  • After barnacles, Darwin turned his attention to fancy show pigeons. He joined the Philoperisteronic Society and added an aviary to his house.
  • The scientific establishment at the time did not exactly acclaim Darwin's On the Origin of Species. The geologist Adam Sedgwick wrote Darwin a scalding letter. "Many of your wide conclusions are based upon assumptions which can neither be proved nor disproved," Sedgwick said, accusing Darwin of "deserting the true method of induction." (xxiv). The astronomer Sir John Herschel called Darwin's work "the law of hiddeldy-pigglety."

Finally, no matter what you might decide about the "evolution of evolution," both Darwin and Darwinists reject the idea that Neanderthals might have been, in the words of the subtitle of On the Origin of Species, anything like a "Favoured Race." They died out, right?  This being so, it is interesting to me that a portrait of Charles Darwin (above) exhibits most if not all the characteristics of a Neanderthal:  sloping forehead, powerful jaws, craggy brow, occipital protuberance and large nose. We don't know quite what to make of it but wish Darwin had willed his skull as well as his thoughts to science.

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Replacement or Assimilation: Origin of Our Species

Wednesday, August 24, 2011

In a review of Chris Stringer's book The Origin of Our Species (Lane, 2011), Jean-Jacques Hublin sides with one of the first promoters of the 30-year old Recent African Origin hypothesis and supports the notion that modern humans out of Africa entirely replaced Neanderthals because they were, well, fitter and superior.

See "Palaeoanthropology:  African Origins" in Nature 476, 395 (August 25, 2011).

But could the true scenario have been that "we" were already hybridized with Neanderthals, and that's why "we" won out? Recent work has brought evidence that Neanderthals gave "us" our immunities to a wide range of disease and thus allowed "us" to survive. The question doesn't have to be an either/or dilemma.

Above:  Krapina Neanderthal Museum. N. Solic.

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Interbreeding with Neanderthals and Denisovans Conferred Immunity to Diseases, Aided Spread of Humans in Asia, Europe

Friday, July 01, 2011

According to a professor of immunology and microbiology at Stanford University, humans were able to survive, spread and expand their populations once they left Africa because of immunities to disease they acquired from Neanderthals and Denisovans, who had lived in Europe and Asia already for hundreds of thousands of years.

A review of the new research appears in the online science magazine Discover under the date of June 20, 2011. The professor's name is Peter Parham.

Crux of the matter, according to Royal Society report

  • Parham began by taking a close look at a family of genes called  human leukocyte antigens (HLAs), which play a central role in our body’s immune responses. We are able to react to a wide array of diseases because our HLA genes are highly variable, each containing dozens of  alleles (forms of genes).
  • Our ancestors in Africa, however, would have had a small number of HLA alleles because they likely traveled in small bands and had little contact with other groups. Moreover, their HLAs would have only protected them against African diseases.
  • When Parham compared the HLAs of modern humans with those of Neanderthals and Denisovans, he noticed some overlaps. In particular, he found that HLA-C*0702, an allele common in Europeans and Asians but nonexistent in Africans, was also present in the Neanderthal genome. Similarly, HLA-A*11, which is found in modern Asians but not in Africans, popped up in Denisovan DNA.
  • Overall, about 50 percent of HLA Class I alleles in Europeans seemed to come from Neanderthals, 70 to 80 percent in East Asians from Denisovans, and 90 to 95 percent in Papuans from Denisovans, Parham said at a recent Royal Society meeting.
The latest revelation about the true nature of Neanderthals shows how fast current scientific and popular thinking is moving on the subject. Two years ago it was still debated whether "humans" could interbreed with Neanderthals, or whether Neanderthals were even a human species. Denisovans were only discovered in the last year.

DNA Consultants introduced its Neanderthal Index, a measure of affinity with archaic populations of Europe and the Middle East, one year ago this month.

Dr. Donald Yates says he is planning a visit to Vindija cave near Varazdin in Croatia this month to see firsthand the world's most important site for the discovery of Neanderthal bones and lifeways, dating to about 30,000 years ago.

Human history changed drastically with the 1974 Neanderthal discoveries at Vindija Cave. Photo Tomislav Kranjcic.


Comments

Anonymous commented on 22-Apr-2012 09:40 PM

When we finally do have a thorough understanding of the human story, I believe we will find a very complex evolutionary history of many different groups who have a common ancestor as far back as 1.5 to 2 million years ago.


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