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Scientists conclude: There is evidence of a previously unknown species on Earth


According to scientists, our genome is made of a previously unknown species on Earth. It appears that our DNA has 4 ancestors: Homo Sapiens, Neanderthals, and Denisovans and a new unknown species.

A team of researchers at the Institute of Evolutionary Biology (IBE) has just published in Nature Genetics the discovery of a new ancestor, hitherto unknown, of modern man.

This is a hominid who lived in Southeast Asia and, like Neanderthals and Denisovans, crossed with our direct ancestor’s tens of thousands of years ago.

Although they have not yet found fossils of the new species, the study authors, Mayukh Mondal and Ferran Casals, highlight the importance of genetic studies to reconstruct the origins of our species.

The discovery took place during genetic analysis of a group of individuals of the Andaman Islands in the Indian Ocean, an isolated population of pygmies that has for more than a century raised numerous paleoanthropological  questions.

“…We also show that populations from South and Southeast Asia harbor a small proportion of ancestry from an unknown extinct hominid, and this ancestry is absent from Europeans and East Asians…”

Applying the most modern analytical techniques, the researchers ran into several fragments of DNA that do not have any correspondence in modern humans who left Africa about 80,000 years ago and ended up populating the rest of the world.

By comparing these “foreign” gene sequences with the DNA of Neanderthals and Denisovans, whose heritage we have in our genome, scientists could see that there was not a match with any of them.

Therefore, researchers at IBE concluded that the DNA must have belonged to a hitherto unknown hominid who shared a common ancestor with the other two species.

It, therefore, is the ultimate proof demonstrating that the actual DNA of humans still contains “pieces” that come from other different ancestors and that we have still no clue about our true origins.

According to Jaume Bertranpetit, principal investigator of IBE, “we have found fragments of DNA from an extinct hominid that are part of the genome of modern humans. Shortly we hope to, get the full genome from fossil remains.”

For a long time now, numerous investigations have determined that our genome –of modern humans— is formed by fragments of at least four DIFFERENT SPECIES. Three of those species – Homo Sapiens, Neanderthals, and Denisovans— have been identified by researchers.

Now, researchers have found evidence of the existence of a mysterious ‘fourth kind’ of species which we know nothing about since researchers have still not found any fossil remains of them.

Could this species be the missing link in the history of mankind?

What we know so far is that there is no doubt that the puzzle of our origins is increasingly complicated.

In order to solve one of the greatest enigmas about the human species, much research will still need to be done.


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