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The researchers found the first part of the skull, a large jaw, below a medieval fortress Nike Jogger Sweatpants Men

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The fossil is the most complete pre human skull uncovered. With other partial remains previously found at the rural site, it gives researchers the earliest evidence of human ancestors moving out of Africa and spreading north to the rest of the world, according to a study published Thursday in the journal Science.

Even bush favoring scientists say these findings show one single species nearly 2 million years ago at the former Soviet republic site. But they disagree that the same conclusion can be Nike Training Joggers

The skull and other remains offer a glimpse of a population of pre humans of various sizes living at the same time something that scientists had not seen before for such an ancient era. This diversity bolsters one of two competing theories about the way our early ancestors evolved, spreading out more like a tree than a bush.

"It really shows the process of evolution in action," he said.

To see how a species can vary, just look in the mirror, they said.

in 2000. Five years later on Lordkipanidze's 42nd birthday they unearthed the well preserved skull, gingerly extracted it, putting it into a cloth lined case and popped champagne. It matched the jaw perfectly. They were probably separated when our ancestor lost a fight with a hungry carnivore, which pulled apart his skull and jaw bones, Lordkipanidze said. It also seems to be the point where legs are getting longer, for walking upright, and smaller hips, she said.

Nearly all of the previous pre human discoveries have been fragmented bones, scattered over time and locations like a smattering of random tweets of our evolutionary history. The findings at Dmanisi are more complete, weaving more of a short story. Before the site was found, the movement from Africa was put at about 1 million years ago. "This is important to understanding human evolution."

The adult male skull found wasn't from our species, Homo sapiens. It was from an ancestral species in the same genus or class called Homo that led to modern humans. Scientists say the Dmanisi population is likely an early part of our long lived primary ancestral species, Homo erectus.

In this photo taken Oct. 2, 2013, David Lordkipanidze, director of the Georgia National Museum, displays the ancient skull and jaws of a pre human ancestor at the National Museum in Tbilisi, Nike Black Sweaters

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"Danny DeVito, Michael Jordan and Shaquille O'Neal are the same species," Lordkipanidze said.

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Tim White of the University of California, Berkeley, wasn't part of the study but praised it as "the first good evidence of what these expanding hominids looked like and what they were doing."

Nike Joggers Mens Sale

Nike Joggers Mens Sale

"This is a strange combination of features that we didn't know before in early Homo," Ponce de Leon said.

Nike Joggers Mens Sale

Nike Joggers Mens Sale

Georgia, Wednesday, Oct. 2, 2013. The discovery of a 1.8 million year old skull of a human ancestor found below Dmanisi, a medieval Georgian village, captures early human evolution on the move in a vivid snapshot and indicates our family tree may have fewer branches than originally thought, scientists say. (AP Photo/Shakh Aivazov)

Fred Spoor at the Max Planck Institute in Germany, a competitor and proponent of a busy family tree with many species disagreed with the study's overall conclusion, but he lauded the Georgia skull discovery as critical and even beautiful.

1 8M year old skull gives glimpse of our evolution

This 2005 photo provided by the journal Science shows a 1.8 million year old pre human skull found in the ground at the medieval village Dmanisi, Georgia. It's the most complete ancient hominid skull found to date, and it is the earliest evidence of human ancestors moving out of Africa and spreading north to the rest of the world, according to a study published Thursday, Oct. 17, 2013, in the journal Science. Next to it is a large rodent tooth for comparison. (AP Photo/Courtesy of Georgia National Museum)

said for bones found elsewhere, such as Africa. However, Lordkipanidze and colleagues point out that the skulls found in Georgia are different Nike Joggers Mens Sale sizes but are considered to be the same species. So, they reason, it's likely the various skulls found in different places and times in Africa may not be different species, but variations in one species.

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For years, some scientists have said humans evolved from only one or two species, much like a tree branches out from a trunk, while others say the process was more like a bush with several offshoots that went nowhere.

Nike Joggers Mens Sale

Nike Joggers Mens Sale

DMANISI, Georgia (AP) The discovery of a 1.8 million year old skull of a human ancestor buried under a medieval Georgian village provides a vivid picture of early evolution and indicates our family tree may have fewer branches than some believe, scientists say.

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