Researchers: A Skull Uncovered in Israel Proves Modern Humans Migrated from Africa Some 65,000 Years Ago
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| Photo by: Clara Amit (IAA) |
The matter in question is a 55,000 year-old anatomically modern human skull that was found in the Dan David-Manot Cave in the Western Galilee. This rare skull constitutes the earliest fossilized evidence outside of Africa indicating that today’s human population originated in Africa and migrated from there c. 65,000 years ago. According to the researchers, the discovery sheds light on one of the most dramatic periods in human evolution: the appearance of modern humans as we know him today.
The origin and dispersal of modern humans (Homo sapiens) in the Old World has been a major issue that has engaged scientific research for more than 150 years – ever since the publication of “On the Origin of the Species” by Charles Darwin. Considerable progress has been made in the study of physical anthropology since the 1980’s following the introduction of genetic research to the field, which enabled the extraction of DNA from bones and their accurate dating. The results of genetic studies done on modern and fossilized populations in recent years have led researchers to two conclusions:
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| Photo by: Assaf Peretz (IAA) |
2. Today’s modern population has its origins in a later wave of migration that occurred some 65,000 years ago. This is the period when modern human populations spread from their African origins throughout the Old World and replaced indigenous populations such as the Neanderthals in the Western Asia and Europe. According to this hypothesis proposed by geneticists, these populations comprised the ancient nucleus from which all modern human populations known today have evolved. One of
The migration routes by which modern humans spread out across the world passes through the Levant (the Mediterranean basin), which is the only land crossing between Africa and Europe. The major break-through of the Israeli finding lays in the fact that until now, no modern human remains that date to the period between 65-45 thousand years ago were discovered.
The big picture of research regarding the origin of modern humans is now becoming clear following the discovery of a modern human calvarium from Manot Cave. Manot Cave is an active karstic cave (stalactite cave) that was discovered by chance in the Western Galilee in 2008 when it was damaged by a bulldozer during construction works. The cave is located 40 kilometers northeast of the famous Mt. Carmel prehistoric caves.
To date, five excavation seasons (2010–2014) have been conducted in the cave on behalf of the IAA, Tel Aviv University and Ben-Gurion University of the Negev, during which an impressive archaeological sequence was documented that yielded remains of several prehistoric cultures.
The Manot skull was found on a bedrock ledge in a small chamber in the center of the cave. Both its inner and outer surfaces were covered with cave deposits that were dated by means of uranium-thorium to 55,000 YBP. A morphometric analysis of the skull shows it belongs to a modern human being with similarities to modern skulls from Africa on the one hand and the ancient skulls of modern humans from Europe on the other.
The study involved researchers from the Geological Survey of Israel, Weizmann Institute of Science, Hebrew University, University of Haifa, University of Vienna, Harvard University, Case-Western University, Max Planck Institute for Evolutionary Biology, Columbia University and Simon Fraser University.
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