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Exciting discovery about human ancestors blows up the prevailing theory

Exciting discovery about human ancestors blows up the prevailing theory

According to the study, whose results were published in the Proceedings of the National Academy of Sciences, the fossils of our early ancestors found in southern Africa, are one million years older than previously thought, which means that they walked on Earth at about the same time with their relatives in eastern Africa. Africa.

After scientists estimated the age of a skull called “Mrs. Plus”, it is the most complete Australopithecus skull found in South Africa in 1947, between 2.1 and 2.6 million years old, a scientist said. geology The French, Laurent Brussels, that is not true.

Scientists compared the age of “Ms. Plus” with the skeleton of “Little Foot Australopithecus”, which is 3.67 million years old, based on analysis of sediments near where she was found.

The researchers used a technique called “cosmic nuclide dating”, which looked at levels of isotopes Rare created when rocks containing quartz for high velocity particles.

According to the study’s lead author, Daryl Granger, of Purdue University, USA, Radiological analysis For “Ms. Plus” and the fossils that were found close to her, she showed that her age ranged between 3.4 and 3.7 million years.

Granger explained that the South African “Australopithecus” was previously considered small to be an ancestor of the genus “Australopithecus”.HomoThis means that it was believed that Lucy’s homeland in East Africa is the most likely place for the evolution of the human raceBut new research shows that South African Australopithecus had nearly a million years to evolve to become the ancestor of Homo sapiens.

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He added: “Our family tree is actually more like a bush. Over a time frame of millions of years, just 4,000 kilometers apart, these species had plenty of time to travel and breed with each other, so we can pretty much imagine a co-evolution across Africa.” , according to the British newspaper, The Guardian.