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Neanderthals' demise caused by modern human invasion

Homo sapiens from Africa swarming into Europe outnumbered Neanderthals by 10 to one 40,000 years ago, claim scientists


Neanderthals in Europe were overrun by a huge invasion of African homo sapiens 40,000 years ago, which may explain their demise, claim Cambridge scientists. Photograph: Alamy

Neanderthals died out in Western Europe after a surge of modern humans arrived from Africa and made them a minority in their own land, researchers claim.

The swarm of homo sapiens onto the continent more than 40,000 years ago left the Neanderthals, who had thrived in the frigid conditions for 300 millennia, outnumbered by a massive 10 to one.

The invasion of so many modern humans overturned the Neanderthals' domination of the land and forced them into fierce competition for food, fuel and other crucial resources.

The scenario, described by Paul Mellars, emeritus professor of prehistory and human evolution at Cambridge University, and his colleague, Jennifer French, is the latest attempt by scientists to explain the mystery of the Neanderthals' demise.

Modern humans, along with environmental factors, have long been suspects in the sudden extinction of our thick-browed relatives, but the nature of their decline is still under debate.

Mellars and French analysed archaeological evidence in Périgord, a former province of southwestern France, which is renowned for its Neanderthal and early human sites. They found that the population of Homo sapiens that arrived in the region was at least ten times larger than that of the neanderthals already settled there.

In particular, the area saw a sharp rise in the number and size of early human sites and the detritus of life they left behind, such as stone tools and the remains of animal carcasses, according to a report in Science.

The researchers believe the sheer pressure of being outnumbered was exacerbated by the social and technological advantages that modern humans displayed, from long-range hunting spears to stronger cooperation and communication. The arrival of modern humans coincided with the appearence of elaborate cave paintings, decorative stones and beads, and imported shells, suggesting H. sapiens had a more complex society than the Neanderthals.

"It was clearly this range of new technological and behavioural innovations which allowed the modern human populations to invade and survive in much larger population numbers than those of the preceding Neanderthals across the whole of the European continent," said Mellars.

"Faced with this kind of competition, the Neanderthals seem to have retreated initially into more marginal and less attractive regions of the continent and eventually, within a space of at most a hundred thousand years, for their populations to have declined to extinction – perhaps accelerated further by sudden climatic deterioration across the continent around 40,000 years ago."


MAS AGORA AS ESQUERDAS PENSADORAS SEMPRE SE EMPENHARAM NA DEFESA DOS AFRICANOS , MAS EM ÁFRICA!ISTO É POR LÁ TUDO É PERMITIDO, POIS ATÉ AJUDARAM.RACISMO,CANIBALISMO,DITADURAS,LIMPEZAS ÉTNICAS COM ROUBO DE BENS.
POR CÁ CUIDADO É TUDO AO CONTRÁRIO.MISTURA OBRIGATÓRIA, DIVISÃO DE BENS,SUSTENTAÇÃO POR CONTA DO ERÁRIO A QUEM SE APRESENTE, ENFIM O ABRIR TOTAL DAS PERNAS!A HOMENS E MULHERS QUE ELES NÃO SÃO HOMOFÓBICOS!
RECIPROCIDADES?ZERO,ZERO,ZERO.ESTES FILHOS DA PUTA INVENTARAM A ESCRAVATURA BRANCA...