Neanderthals and humans were not together



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Our DNA has revealed many more encounters.

Many people have some Neanderthal DNA. In recent years, this discovery has led scientists to conclude that early humans mated with Neanderthals during a single period. However, new research suggests that these groups have united in multiple encounters – in other words, it was not a single evening.

When the first humans emigrated from Africa, they interacted and joined the Neanderthals who lived in Europe and parts of Asia. People whose ancestors stayed in Africa do not have Neanderthal DNA because these two groups never had the chance to meet. In contrast, everyone in the world has about two percent of Neanderthal DNA when their ancestors went wild with these ancient hominins during their migrations.

Researchers believe that Neanderthals and early humans have had multiple encounters, that is because the percentage of Neanderthal DNA that you own depends on the origin of your ancestors. Compared with people of European descent, the proportion of Neanderthal DNA is 12 to 20% higher among people of East Asian ancestry. This research, published in Nature November 26, 2018, suggests that the first humans and Neanderthals did not meet in a single episode.

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Formerly stereotyped as big, idiots and non-humans, Neanderthals now occupy a very different place in our understanding of human history. When scientists first classed these hominis in Homo Neanderthalensis in 1864 they classified it as a separate species from the Homo sapiens that emerged in Africa about 300,000 years ago.

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One of the characteristics of the separated species is that they can not mate with each other. But as it is now clearly established that the Neanderthals, the first humans and other hominins called Denisovans made some scientists have suggested that Neanderthals are actually subpopulations of modern humans

We also learn that Neanderthals are smarter than we thought. In July 2018, an article by Nature suggested that Neanderthals living in France 50,000 years ago knew how to create fire. In addition, the recent discovery of calcined excavation sticks that Neanderthals made in Italy about 171,000 years ago shows that they have been using fire for even longer as a resource.

With such news, it is not surprising that early humans have so often mated with Neanderthals: they seem to be a trap.

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