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The earliest ‘Homo sapiens’ outside Africa

The journal Science publishes the description and dating of human fossil remains found in Misliya Cave (Israel), which suggest that the first departure by our species from the African continent took place at least 60,000 years earlier than had previously been documented. Thiswork was carried out by an international team in which scientists from three institutions in Burgos participated: the CENIEH, the MEH and the UBU

Spanish scientists form part of the international team which has just published a study in the journal Science of the oldest fossil remains of modern humans encountered outside Africa. This relates to a left maxillary fragment which preserves the dentition, discovered in Misliya Cave (Mount Carmel, Israel), whose age range, between 177,000 and 194,000 years, suggests that the earliest migration by our species out of the African continent took place at least 60,000 years earlier than had hitherto been documented. This work, led by Israel Hershkovitz of the University of Tel Aviv (Israel), is the outcome of a collaboration between researchers attached to several international institutions from America, Europe, Asia and Oceania, among whom are Jose María Bermúdez de Castro, Mathieu Duval, María Martinón-Torres and Laura Martín-Francés, of the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH); Juan Luis Arsuaga, of the Museum of Human Evolution (MEH), and José Miguel Carretero, Laura Rodríguez and Rebeca García, of the University of Burgos (UBU). Up to now, the oldest remains of Homo sapiens outside Africa had been identified in the Levant Corridor and in China, and were dated to between 80,000 and 120,000 years ago. “This new discovery in Misliya places the first migration of our species at around 200,000 years ago. We are uncovering the earliest non-African part of our history”, declares María Martinón-Torres, director of the CENIEH, who in 2015 had already participated, together with Bermúdez de Castro, in the discovery of the oldest H. sapiens in China. Unmistakably ‘sapiens’ The comparison with fossils of Africans, European and Asian fossils, and with recent human populations, has shown that this fossil belongs unmistakably to an archaic modern human. “Neither the maxillary nor the teeth share any of the features which characterize other human species, including the singular Neanderthals”, comments José Miguel Carretero, director of the Laboratory of Human Evolution (LEH) at the University of Burgos. Recently, the fossils of Jebel Irhoud (Morocco) were described, with a published age of 300,000 years, and their discoverers have proposed their possible attribution to our own species. But as Juan Luis Arsuaga, scientific director of the Museum of Human Evolution, explains, the African fossils earlier than Misliya, like those of Jebel Irhoud, could rather be considered pre-sapiens, and “in my opinion, they are ancestors of our species but do not belong to it, which lends the findings in Israel greater importance". Direct dating of the fossils Direct dating of the fossils In order to determine its age, direct dating was undertaken on one tooth of the maxillary using the methods of (U-Th) series and Electron Spin Resonance (better known by the acronym ESR). Part of this work was conducted in the laboratories of the CENIEH by the geochronologist Mathieu Duval, in the framework of a European research project. “To achieve reliable dating, a special protocol had to be developed which would limit the destructive aspect of the method, similar to that used recently to date the remains of Homo naledi, in South Africa”, explains Duval, currently a researcher at Griffith University (Australia).. To carry out this work, the Spanish team received financing from the Ministry of Economy and Competitiveness (CGL2015-65387-C3-2-3-P MINECO/FEDER), the Atapuerca Foundation and the European Commission (Marie Curie IOF 626474).


Homo sapiens, Human evolution, Misliya cave


Australia, Spain, Israel