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New Scientist

Free trade may have finished off Neanderthals

Modern humans may have driven Neanderthals to extinction 30,000 years ago because Homo sapiens unlocked the secrets of free trade, say a group of US and Dutch economists. The theory could shed new light on the mysterious and sudden demise of the Neanderthals after over 260,000 years of healthy survival.

Anthropologists have considered a wide range of factors which may explain Neanderthal extinction, including biological, environmental and cultural causes. For example, one major study concluded that Neanderthals were less able to deal with plunging temperatures during the last glacial period.

Another possibility is that they were less able hunters as a result of poorer mental abilities, says Eric Delson, an anthropologist at Lehman College, City University of New York, US. But he adds that most theories are reliant on guesswork. Exactly how humans ousted Neanderthals remains a puzzle. âАЬThey were successful for such a long time,âА� he points out.

Jason Shogren, an economist at the University of Wyoming in Laramie, US, says part of the answer may lie in humansâАЩ superior trading habits. Trading would have allowed the division of labour, freeing up skilled individuals, such as hunters, to focus on the tasks they are best at. Others, perhaps making tools or clothes or gathering food, would give the hunters resources in return for meat...

He cites archaeological evidence that suggests that humans, who joined Neanderthals in Europe about 40,000 years ago, specialised and traded both within and between regions. The evidence includes complex living quarters with different sections partitioned for different functions. Neanderthals, in contrast, lived in âАЬlargely unorganisedâА� living spaces.

There is also evidence that the early humans, mainly one population called the Gravettians, imported materials. Ivory, stones, fossils, seashells and crafted tools were found dispersed through many regions. This greater pool of resources led to increased innovation, says Shogren.

Diversity of materials; diversity of geography, inputs and talents. Gee, are we surprised to think this might be true? Wonder if they had Boards of Directors? I'm pretty sure they had "Sarbox" -- a pissed off mammoth or a vicious cold snap perhaps. Or maybe the Humans were Sarbox to the Neanderthals.

fouro tummy hurt. must go find berries. (hmmm, fouro need get extra and trade for new spearflint)