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8 mars 2010

[Article] How a hobbit is rewriting the history of the human race.

Robin McKie* | The Observer, Sunday 21 February 2010 

The discovery of the bones of tiny primitive people on an Indonesian island six years ago stunned scientists. Now, further research suggests that the little apemen, not Homo erectus, were the first to leave Africa and colonise other parts of the world, reports Robin McKie.

It remains one of the greatest human fossil discoveries of all time. The bones of a race of tiny primitive people, who used stone tools to hunt pony-sized elephants and battle huge Komodo dragons, were discovered on the Indonesian island of Flores in 2004.
The team of Australian researchers had been working in a vast limestone cavern, called Liang Bua, in one of the island's remotest areas, when one scientist ran his trowel against a piece of bone. Carefully the group began scraping away the brown clay in which pieces of a tiny skull, and a little lower jaw, were embedded.
This was not any old skull, they quickly realised. Although small, it had special characteristics. In particular, it had adult teeth. "This was no child, but a tiny adult; in fact, one of the smallest adult hominids ever found in the fossil record," says Mike Morwood, of Australia's University of Wollongong and a leader of the original Flores expedition team.
The pieces of bone were carefully wrapped in newspaper, packed in cardboard boxes and then cradled on the laps of scientists on their journey, by ferry and plane, back to Jakarta. Then the pieces of skull, as well as bones from other skeletons found in Liang Bua, were put together.
The end result caused consternation. These remains came from a species that turned out to be only three feet tall and had the brain the size of an orange. Yet it used quite sophisticated stone tools. And that was a real puzzle. How on earth could such individuals have made complex implements and survived for aeons on this remote part of the Malay archipelago?
Some simply dismissed the bones as the remains of deformed modern humans with diseases that had caused them to shrink: to them, (...full article here...).

*Robin McKie is the science editor of the Observer
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Illustration by Peter Brown (Image of LB1 "Hobbit" skull, as compared to a modern human skull).

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