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'Hobbit' joins human family tree

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Chris Stringer holds a cast of the 18,000-year-old hominid LB1

Scientists have discovered a new and tiny species of human that lived in Indonesia at the same time our own ancestors were colonising the world.

The three-foot (one-metre) tall species - dubbed "the Hobbit" - lived on Flores island until at least 12,000 years ago.

 

The fact that little people feature in the legends of modern Flores islanders suggests we might have to take tales of Leprechauns and Yeti more seriously.

 

Details of the sensational find are described in the journal Nature.

 

The whole idea that you need a particular brain size to do anything intelligent is completely blown away by this find

 

Dr Henry Gee, Nature

The discovery has been hailed as one of the most significant of its type in decades.

 

Australian archaeologists unearthed the bones while digging at a site called Liang Bua, one of numerous limestone caves on Flores.

 

The remains of the partial skeleton were found at a depth of 5.9m. At first, the researchers thought it was the body of a child. But further investigation revealed otherwise.

 

Wear on the teeth and growth lines on the skull confirm it was an adult, features of the pelvis identify it as female and a leg bone confirms that it walked upright like we do.

 

"When we got the dates back from the skeleton and we found out how young it was, one anthropologist working with us said it must be wrong because it had so many archaic [primitive] traits," said co-discoverer Mike Morwood, associate professor of archaeology at the University of New England, Australia.

 

King of the swingers?

 

The 18,000-year-old specimen, known as Liang Bua 1 or LB1, has been assigned to a new species called Homo floresiensis. It was about one metre tall with long arms and a skull the size of a large grapefruit.

 

The researchers have since found remains belonging to six other individuals from the same species.

 

LB1 shared its island with a golden retriever-sized rat, giant tortoises and huge lizards - including Komodo dragons - and a pony-sized dwarf elephant called Stegodon which the "hobbits" probably hunted.

 

 

A male Homo floresiensis may have looked something like this (Image: National Geographic)

Chris Stringer, head of human origins at London's Natural History Museum said the long arms were an intriguing feature and might even suggest H. floresiensis spent much of its time in the trees.

 

"We don't know this. But if there were Komodo dragons about you might want to be up in the trees with your babies where it's safe. It's something for future research, but the fact they had long arms is at least suggestive," Professor Stringer told BBC News Online.

 

Studies of its hands and feet, which have not yet been described, may shed light on this question, he added.

 

H. floresiensis probably evolved from another species called Homo erectus, whose remains have been discovered on the Indonesian island of Java.

 

Homo erectus may have arrived on Flores about one million years ago, evolving its tiny physique in the isolation provided by the island.

 

What is surprising about this is that this species must have made it to Flores by boat. Yet building craft for travel on open water is traditionally thought to have been beyond the intellectual abilities of Homo erectus.

 

Legendary creatures

 

Even more intriguing is the fact that Flores' inhabitants have incredibly detailed legends about the existence of little people on the island they call Ebu Gogo.

 

The islanders describe Ebu Gogo as being about one metre tall, hairy and prone to "murmuring" to each other in some form of language. They were also able to repeat what islanders said to them in a parrot-like fashion.

 

"There have always been myths about small people - Ireland has its Leprechauns and Australia has the Yowies. I suppose there's some feeling that this is an oral history going back to the survival of these small people into recent times," said co-discoverer Peter Brown, an associate professor of archaeology at New England.

 

When we got the dates back from the skeleton and we found out how young it was, one anthropologist working with us said it must be wrong

 

Mike Morwood, University of New England

The last evidence of this human at Liang Bua dates to just before 12,000 years ago, when a volcanic eruption snuffed out much of Flores' unique wildlife.

 

Yet there are hints H. floresiensis could have lived on much later than this. The myths say Ebu Gogo were alive when Dutch explorers arrived a few hundred years ago and the very last legend featuring the mythical creatures dates to 100 years ago.

 

But Henry Gee, senior editor at Nature magazine, goes further. He speculates that species like H.floresiensis might still exist, somewhere in the unexplored tropical forest of Indonesia.

 

Textbook rewrite

 

Professor Stringer said the find "rewrites our knowledge of human evolution." He added: "To have [this species] present 12,000 years ago is frankly astonishing."

 

Homo floresiensis might have evolved its small size in response to the scarcity of resources on the island.

 

"When creatures get marooned on islands they evolve in new and unpredictable courses. Some species grow very big and some species grow very small," Dr Gee explained.

 

 

LB1 was an adult female that stood just one metre in height

 

 

Enlarge Image

 

The sophistication of stone tools found with the "hobbit" has surprised some scientists given the human's small brain size of 380cc (around the same size as a chimpanzee).

 

"The whole idea that you need a particular brain size to do anything intelligent is completely blown away by this find," Dr Gee commented.

 

Because the remains are relatively recent and not fossilised, scientists are even hopeful they might yield DNA, which could provide an entirely new perspective on the evolution of the human lineage.

 

 

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Looks like the scientist are getting closer,

Drutakarma prabhu, in his book hidden history of human race shows that scientist when finding a fossil which does not fit the theory they dismiss it, they couldnt do that in this case as there were 8 of them.

 

It also shows that humans were intelligent earlier else how did they make it on to the island without boats.

 

It may also show that intelligence comes from something other than the brain. I think sadaputa prabhu in his book maya, discusses cases where humans have less than 10% of the normal brain tissue and the rest filled with liquid, yet they are normal people that go to university with iq's of 155. I cant remember the technical name of the diesese

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