WASHINGTON (AFP) - Scientific evidence supports the theory that a
18,000-year old "Hobbit" skeleton unearthed in Indonesia was a new
species closely related to Homo sapiens.
Some scientists had theorized that the skeletal remains found on the
Indonesian island of Flores in 2003 belonged to a pygmy or a
microcephalic -- a human with an abormally small skull.
But researchers from Florida State University who examined a
three-dimensional computer reconstruction of the small but well-formed
brain of the hominid, "classified it with normal humans."
"We have answered the people who contend that the Hobbit is a
microcephalic," said world-renowned paleoneurologist Dean Falk, who is
also chairwoman of Florida State University's anthropology department,
which conducted the research with Indonesia's Center for Archaeology
along with other international partners.
Her team's study of both normal and microcephalic human brains is published in Monday's issue of Proceedings of the
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National Academy of Sciences.
The computer model reproduced the surface of the brain, including its
shape, grooves and vessels, revealing what Falk described as a "highly
evolved brain."
The skeleton came to be known as "the Hobbit" after the diminuitive
characters in J.R.R. Tolkien's classic "Lord of the Rings" trilogy.
The brain of the Hobbit -- more accurately identified as "Homo
Floresiensis" -- was compared to those of 10 normal humans and nine
people suffering microcephaly, a virus which stunts the development of
the brain.
The complete skeleton and skull unearthed in a cave on Flores measures
1.06 meters (3.6 feet), igniting a raging controversy among
anthropologists, who until then had believed the extinction of the
Neanderthal 30,000 years ago left Homo sapiens as the only surviving
human species.
Archaeologists had found sophisticated tools and evidence of a fire
near the remains of the three-foot-tall adult female with a brain
roughly one-third the size of a contemporary human.
"People refused to believe that someone with that small a brain could
make the tools. How could it be a sophisticated new species?" Falk said.
"It's the 64 thousand dollar question: Where did it come from?" she
said. "Who did it descend from, who are its relatives, and what does it
say about human evolution?" said Falk. "That's the real excitement
about this discovery."