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Ancient Bones Of Small Humans Discovered In Palau (Not 'Hobbits')
National Geographic News ^ | 3-11-2008 | John Roach

Posted on 03/11/2008 8:21:01 AM PDT by blam

Ancient Bones of Small Humans Discovered in Palau

John Roach for National Geographic Magazine
March 10, 2008

Thousands of human bones belonging to numerous individuals have been discovered in the Pacific island nation of Palau.

Some of the bones are ancient and indicate inhabitants of particularly small size, scientists announced today.

The remains are between 900 and 2,900 years old and align with Homo sapiens, according to a paper on the discovery. However, the older bones are tiny and exhibit several traits considered primitive, or archaic, for the human lineage.

"They weren't very typical, very small in fact," said Lee Berger, a paleoanthropologist at the University of Witwatersrand in Johannesburg, South Africa.

Berger was on vacation in 2006, kayaking around rocky islands about 370 miles (600 kilometers) east of the Philippines, when he found the bones in a pair of caves.

The caves were littered with bones that had been dislodged by waves and piled like driftwood. Others had remained buried deep in the sandy floor, and more, including several skulls, were cemented to the cave walls.

Berger returned later that year with colleagues to excavate some of the remains with funding from the National Geographic Society. (National Geographic News is a division of the National Geographic Society.)

A paper to appear tomorrow in the Public Library of Science journal PLoS ONE describes the findings and what they suggest about small-bodied humans.

Interpreting the Bones

Two sets of human bones were found in the Palauan caves. The most recent remains were found near the entrance to one of the caves and appear normal in size. Older bones found deeper in the caves are stranger and much smaller.

The smaller, older bones represent people who were 3 to 4 feet (94 to 120 centimeters) tall and weighed between 70 and 90 pounds (32 and 41 kilograms), according to the paper.

The diminutive people were similar in size to the so-called hobbit discovered in National Geographic Society-supported excavations on the Indonesian island of Flores in 2003.

Scientists classified the hobbit as a separate human species, Homo floresiensis.

According to Berger, the estimated brain size of the early Palauans is about twice the size of the hobbit brain.

Several other features, including the shape of the face and hips, suggest that the Palauan bones should be classified as Homo sapiens.

If the interpretation of the Palauan remains is correct, the find may add more fuel to the debate over whether the Flores hobbit is a unique species, Berger said.

Aside from being tiny, the Palauan bones show that some of these people lacked chins and had deep jaws, large teeth, and small eye sockets, according to the paper.

Some of these features were considered important in originally distinguishing the hobbit as a unique—and archaic—species, Berger said.

But the Palauan remains suggest these features may just be a consequence of insular dwarfism, a shrinking process that some scientists attribute to the stresses of a small island environment.

Palau lacks indigenous terrestrial mammals and large reptiles that early Palauans might have used for food.

Archaeological records indicate fishing was not a local activity until about 1,700 years ago, around the time bigger bones appear in the caves.

The early Palauans' limited diet, combined with a tropical climate, absence of predators, a small founding population, and genetic isolation, may have produced "these very odd features and very small body size," Berger said.

The Controversy

William Jungers, an anthropologist at Stony Brook University in New York and a former National Geographic grantee, stands by his conclusion that the hobbit is a unique species.

He notes that the small bones, large teeth, lack of a chin, and other features that characterize the early Palauans as well as the hobbits can be found in other small-bodied human populations around the world.

But "the smallest-bodied people on Earth do not converge on the proportions and various aspects of morphology of the hobbits," Jungers said.

Jungers points out that the hobbit is distinguished from modern humans by jaw structures called transverse tori, which are seen in human ancestors, such as australopithecines and some Homo erectus fossils, he noted.

Chris Stringer, lead researcher in the human-origins program at London's Natural History Museum, points to other defining characteristics in the hobbits' feet, teeth, and shoulder and wrist bones.

Based on this evidence, he says, "I still believe that the Flores material is something distinct and primitive."

Berger says his team has yet to analyze the shoulder, feet, and wrist bones in their Palauan sample and thus cannot comment on how they compare to the hobbit bones.

A Disease Factor?

Unlike the Palauan bones, the hobbit fossils include a skull with an exceptionally small braincase. Its volume is much smaller than that of small-bodied peoples living today on other Pacific islands and in the forests of Africa. It is also smaller than that of the early Palauans.

Some scientists argue that the unusually small brain volume of the hobbit makes it not a unique species but rather a small-bodied Homo sapiens with microcephaly, a genetic disease that causes small brains and other abnormalities.

A team of researchers from Australia recently reported that the unusual limbs of Homo floresiensis may also have been influenced by disease.

The distortions, they claim, are sometimes seen in the offspring of a normal, small-bodied human female with goiter.

Berger says his team's findings might support these disease arguments. But they have yet to find an individual in their sample who had one of these diseases and therefore can't make a comparison.

The Debate Continues

Dean Falk is an anthropologist at Florida State University in Tallahassee who received National Geographic funding to compare the Flores skull with both microcephalics and modern humans without disease.

She and colleagues from the Mallinckrodt Institute of Radiology concluded in a study published last year that the hobbit was not microcephalic.

Falk said the finding closed the microcephaly argument. The Palauan remains, she added, are just a set of small bones, representing small-bodied people.

""But being small does not make one comparable to Homo floresiensis," she noted. "It makes one small—period."

Steven Churchill, a paleontologist at Duke University and co-author of the new study, says the Palauan discovery expands the known range of variation in modern humans in Southeast Asia, adding context in which to interpret the hobbit fossils.

Several scientists, he adds, continue to believe "there's something wrong with Flores."

One of these scientists is Robert Martin, the curator of biological anthropology at the Field Museum in Chicago, Illinois.

He says it's well known that small-bodied human populations exist in Southeast Asia.

A community of pygmies now lives near the Flores hobbit site in the village of Rampapasa, so finding small-bodied Homo sapiens on Palau, he says, "is no surprise."

From Martin's perspective, the problem with the classification of the hobbit as a separate species is that it is based largely on the brain size of "one microcephalic individual in Flores. … Body size is really a separate issue."

According to Berger, the new findings suggest that "you don't have to look very far to find the facial and dental characters thought to be unique in Flores."

If traits such as those found among the early Palauans are common on islands, he said, then scientists who want to name a new species in the human lineage will have to present "a much better case built on a lot more fossils before the world will buy it."


TOPICS: News/Current Events
KEYWORDS: ancient; bones; godsgravesglyphs; hobbits; palau
Thanks to Renfield for the article.
1 posted on 03/11/2008 8:21:02 AM PDT by blam
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To: SunkenCiv; Renfield

GGG Ping.


2 posted on 03/11/2008 8:21:27 AM PDT by blam (Secure the border and enforce the law)
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To: blam

menehunes?


3 posted on 03/11/2008 8:28:46 AM PDT by Vince Ferrer
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To: blam
Gnomes!
4 posted on 03/11/2008 8:35:39 AM PDT by I'm ALL Right! (Dear RNC: Not one Conservative Candidate? Not one "RED" penny)
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To: Vince Ferrer
"menehunes?

Maybe.

Menehune

5 posted on 03/11/2008 8:36:34 AM PDT by blam (Secure the border and enforce the law)
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To: I'm ALL Right!
"Gnomes!

No!.

6 posted on 03/11/2008 8:38:13 AM PDT by blam (Secure the border and enforce the law)
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To: I'm ALL Right!
They got little baby legs
That stand so low
You got to pick ’em up
Just to say hello
They got little cars
That go beep, beep, beep
They got little voices
Goin’ peep, peep, peep
They got grubby little fingers
And dirty little minds
They’re gonna get you every time

7 posted on 03/11/2008 8:39:37 AM PDT by billorites (Freepo ergo sum)
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To: blam

Just more proof that the legends of “little hairy men” reportedly seen around the world are more than stories.


8 posted on 03/11/2008 8:47:32 AM PDT by Inyo-Mono (If you don't want people to get your goat, don't tell them where it's tied.)
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To: Inyo-Mono

Yeah, and there’s a whole bunch of these to be found in the eastern portion of Zaire. (And probably lots of bones, too.)
They’re called “pygmies”.


9 posted on 03/11/2008 8:49:51 AM PDT by CondorFlight (I)
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To: blam

Petty dwarves, perhaps?


10 posted on 03/11/2008 8:52:34 AM PDT by Redcloak ("A plague o' both your houses!")
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To: blam

“genetic isolation”? Is that like inbreeding? Guess that might produce some odd characteristics.


11 posted on 03/11/2008 9:07:49 AM PDT by count-your-change (you don't have to be brilliant, not being stupid is enough.)
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To: blam

They are Hillary’s Little People.....


12 posted on 03/11/2008 9:08:29 AM PDT by illiac (If we don't change directions soon, we'll get where we're going)
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To: CondorFlight

With primitive skulls like that shown in the picture in the article?


13 posted on 03/11/2008 9:34:27 AM PDT by Inyo-Mono (If you don't want people to get your goat, don't tell them where it's tied.)
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To: blam

They are still out there - http://www.thesun.co.uk/sol/homepage/news/article902014.ece


14 posted on 03/11/2008 9:38:09 AM PDT by SengirV
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To: blam
Micronesian Islands Colonized By Small-bodied Humans

Comparison of the two innominates from Palau to that of a modern adult female of average stature (c162 cm). From left to right -- modern human pelvis (top is from the right, bottom is from the left), B:OR-15:18-009 and B:OR-15:18-087. Top: posterolateral view; bottom: lateral view. (Credit: Berger LR, Churchill SE, De Klerk B, Quinn RL (2008) Small-Bodied Humans from Palau, Micronesia. PLoS ONE 3(3): e1780.)

15 posted on 03/11/2008 11:34:56 AM PDT by blam (Secure the border and enforce the law)
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To: Renfield; blam; StayAt HomeMother; Ernest_at_the_Beach; 1ofmanyfree; 24Karet; 3AngelaD; 49th; ...

· join list or digest · view topics · view or post blog · bookmark · post a topic ·

 
Gods
Graves
Glyphs
Thanks Renfield and Blam.

To all -- please ping me to other topics which are appropriate for the GGG list.
GGG managers are Blam, StayAt HomeMother, and Ernest_at_the_Beach
 

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16 posted on 03/11/2008 10:49:37 PM PDT by SunkenCiv (https://secure.freerepublic.com/donate/______________________Profile updated Saturday, March 1, 2008)
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