Hot on the 'Hobbit' Trail (Science)

R. Richard

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Last year I posted an item about a supposed new human species, Homo Floresiensis found on the Indonesian island of Flores. This is a follow up, with more evidence. To summarize, the bones of nine more individuals have now been found. It begins to look as if there is now solid evidence that there was a group of Homo Floresiensis on Flores. The idea that the original find was some sort of deformed individual is now very unlikely. Comment?

Hot on the 'Hobbit' Trail

Australian scientists renew controversy with a discovery of small bones supporting the existence of a prehistoric "hobbit"-like species

The world of paleontology was thrown into an uproar last year when Australian scientists Michael Morwood and Peter Brown claimed they’d found fossils from an entirely new (though presumably extinct) human species, which they dubbed Homo floresiensis, on the Indonesian island of Flores. For one thing, the diminutive creatures, nicknamed “hobbits” by the scientists, were alive as recently as 13,000 years ago—meaning they survived tens of thousands of years longer than the Neanderthals, which we thought were our last surviving cousins. They might even have lived into modern times, if local legends of a race of forest-dwelling little people are to be believed.

These extraordinary claims brought out scores of critics. Maybe these were just a type of pygmy—but pygmies have normal-size brains, and the hobbits’ brains were tiny. OK, so maybe the Australians had dug up a child, or maybe the skull came from someone with microencephaly, a condition that keeps the head and brain from growing properly. These questions would have been easier to answer if other scientists could have examined the fossils; unfortunately, Indonesian paleontologists snatched them up and squirreled them away—and, it turns out, damaged them.

But now Morwood and Brown and their collaborators have announced a new find in the latest issue of Nature: a jaw and other bones, from what they believe is a total of nine individuals. And it looks as though the original idea stands up: the fossils’ proportions confirm that these creatures were indeed very small, and that their skulls didn’t have the characteristics either of modern pygmies or of microcephalics—two microcephalic skulls in such a small collection of remains would be absurdly unlikely anyway.

Another of Morwood and Brown’s theories—that their hobbits evolved directly from Homo erectus, which was thought to have died out a half-million or so years ago—which the critics lambasted, is now looking less likely. But their new idea is even more audacious: the hobbits, they suggest, may come directly from the Australopithecus family, which went extinct something like 2 million years ago. Their detailed argument for this notion has yet to be published, and critics are still very cautious even about embracing the idea that the hobbits represent a new species at all. But while he agrees that more evidence is needed, Daniel Lieberman, a Harvard paleontologist who composed a commentary on the new discovery for Nature, writes: "...it seems reasonable for Morwood and colleagues to stick to their original hypothesis that H. floresiensis is a new species.”
 
R. Richard said:
Last year I posted an item about a supposed new human species, Homo Floresiensis found on the Indonesian island of Flores. This is a follow up, with more evidence. To summarize, the bones of nine more individuals have now been found. It begins to look as if there is now solid evidence that there was a group of Homo Floresiensis on Flores. The idea that the original find was some sort of deformed individual is now very unlikely. Comment?

Hot on the 'Hobbit' Trail

Australian scientists renew controversy with a discovery of small bones supporting the existence of a prehistoric "hobbit"-like species

The world of paleontology was thrown into an uproar last year when Australian scientists Michael Morwood and Peter Brown claimed they’d found fossils from an entirely new (though presumably extinct) human species, which they dubbed Homo floresiensis, on the Indonesian island of Flores. For one thing, the diminutive creatures, nicknamed “hobbits” by the scientists, were alive as recently as 13,000 years ago—meaning they survived tens of thousands of years longer than the Neanderthals, which we thought were our last surviving cousins. They might even have lived into modern times, if local legends of a race of forest-dwelling little people are to be believed.

These extraordinary claims brought out scores of critics. Maybe these were just a type of pygmy—but pygmies have normal-size brains, and the hobbits’ brains were tiny. OK, so maybe the Australians had dug up a child, or maybe the skull came from someone with microencephaly, a condition that keeps the head and brain from growing properly. These questions would have been easier to answer if other scientists could have examined the fossils; unfortunately, Indonesian paleontologists snatched them up and squirreled them away—and, it turns out, damaged them.

But now Morwood and Brown and their collaborators have announced a new find in the latest issue of Nature: a jaw and other bones, from what they believe is a total of nine individuals. And it looks as though the original idea stands up: the fossils’ proportions confirm that these creatures were indeed very small, and that their skulls didn’t have the characteristics either of modern pygmies or of microcephalics—two microcephalic skulls in such a small collection of remains would be absurdly unlikely anyway.

Another of Morwood and Brown’s theories—that their hobbits evolved directly from Homo erectus, which was thought to have died out a half-million or so years ago—which the critics lambasted, is now looking less likely. But their new idea is even more audacious: the hobbits, they suggest, may come directly from the Australopithecus family, which went extinct something like 2 million years ago. Their detailed argument for this notion has yet to be published, and critics are still very cautious even about embracing the idea that the hobbits represent a new species at all. But while he agrees that more evidence is needed, Daniel Lieberman, a Harvard paleontologist who composed a commentary on the new discovery for Nature, writes: "...it seems reasonable for Morwood and colleagues to stick to their original hypothesis that H. floresiensis is a new species.”


It's interesting, but in the abscence of real proof, I guess we will all be left waiting for other finds or the exhibition of the remains.
 
Colleen Thomas said:
It's interesting, but in the abscence of real proof, I guess we will all be left waiting for other finds or the exhibition of the remains.
Well we have bones from Giganta Pithicus so anything is possible and quite exciting.
 
ABSTRUSE said:
Well we have bones from Giganta Pithicus so anything is possible and quite exciting.


It's all exciting, but it only becomes really impressive when we have evidence that lifts it beyond conjecture :)
 
Colleen Thomas said:
It's all exciting, but it only becomes really impressive when we have evidence that lifts it beyond conjecture :)

The bones of nine individuals and two skulls goes a long way toward providing the necessary evidence. Both skulls show the same brain size. As pointed out, the chance of two individuals both with microcephalism is very small. Still, more work is needed.

JMHO.
 
I would like to take the Creation...err, Intelligent Design position on this.

What midgets?

Sincerely,
ElSol
 
R. Richard said:
The bones of nine individuals and two skulls goes a long way toward providing the necessary evidence. Both skulls show the same brain size. As pointed out, the chance of two individuals both with microcephalism is very small. Still, more work is needed.

JMHO.


The first samples wre ishandled by the indonisian authorities. Until the current specimins make it out of country or are suitably displayed in country for other palentologists to examine, we are still talking about no evidence.

I'm not disputing the claim, merely saying it has to be verified and specimins have to be examined by neutral third parties before there is really any impact. Creationists have for years insisted they are in possession of a site with rock strata that contain both human footprints and dinosaur footprints. If so, it would rewrite the age of man. they will not however, let independant scientists verify what they have found.

So for practicality's sake, it might as well never have been found.
 
Personally, I think that the Flores' race never fully died out, they just evolved into the species commonly known today as "rednecks".
 
Colleen Thomas said:
The first samples wre ishandled by the indonisian authorities. Until the current specimins make it out of country or are suitably displayed in country for other palentologists to examine, we are still talking about no evidence.

True. However, one of the problems here is to get people to actually examine the specimens. Since the matter will possibly go a long way toward proving evolution, any number of people are not too keen to get involved.

I myself would like to see the matter examined as thoroughly as practical by qualified people on both sides of the argument.

JMHO.
 
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