Oldest-ever human DNA found in 400,000-year-old ‘Pit of Bones’ poses evolutionary mystery
2013 12 05
By Malcolm Ritter | Associated Press
Scientists have reached farther back than ever into the ancestry of humans to recover and analyze DNA, using a bone found in Spain that’s estimated to be 400,000 years old. So far, the achievement has provided more questions than answers about our ancient forerunners.
The feat surpasses the previous age record of about 100,000 years for genetic material recovered from members of the human evolutionary line. Older DNA has been mapped from animals.
Experts said the work shows that new techniques for working with ancient DNA may lead to more discoveries about human origins.
Results were presented online Wednesday in the journal Nature by Matthias Meyer and colleagues at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, with co-authors in Spain and China.
They retrieved the DNA from a thighbone found in a cave in northern Spain. It is among thousands of fossils from at least 28 individuals to be recovered from a chamber called the “Pit of the Bones.” The remains are typically classified as Homo heidelbergensis, but not everybody agrees.
The age of the bones has been hard to determine. A rough estimate from analyzing the DNA is around 400,000 years, which supports what Meyer said is the current view of the anthropologists excavating the site. Todd Disotell, an anthropology professor at New York University, said geological techniques suggest the remains are older than 300,000 years but it’s not clear by how much. By comparison, modern humans arose only about 200,000 years ago.
The researchers mapped almost the complete collection of so-called mitochondrial DNA. While the DNA most people know about is found in the nucleus of a cell, mitochondrial DNA lies outside the nucleus. It is passed only from mother to child.
Researchers used the DNA to construct possible evolutionary family trees that include the Spanish individuals and two groups that showed up much later: Neanderthals and an evolutionary cousin of Neanderthals called Denisovans. They assumed the DNA would show similarities to Neanderthal DNA, since the Spanish fossils have anatomical features reminiscent of Neanderthals.
But surprisingly, the DNA instead showed a closer relationship to Denisovans, who lived in Siberia and apparently elsewhere in Asia, far from the Spanish cave. Scientists are uncertain of how to explain that, Meyer said.
We had been operating for a while under the assumption that the oldest DNA we’re going to get is about 100,000 year. [Now] we might take a shot at some older samples that we just never would have bothered with in the past
Read the full article at: nationalpost.com
Tune into Red Ice Radio:
Lloyd Pye, Brien Foerster & Jerry Wills - Human Origins & Lost Races
Roundtable - Hour 1 - Man’s Genesis & The Future Direction of Humanity
Robert Bauval - Black Genesis, The Ancient People of Nabta Playa & Mars Anomalies
Lloyd Pye - Human Origins, The Intervention Theory & The Starchild Skull
Josh Reeves - Hour 1 - The Lost Secrets of Ancient America
Steven & Evan Strong - Hour 1 - Aboriginal Origins & Egyptian Glyphs in Australia
Danny Vendramini - Hour 1 - Them & Us: Neanderthal Predation Theory
Troy McLachlan & Theodore Holden - Hour 1 - Cosmos in Collision: Antique Solar System, Neanderthals & Modern Man
Gregg Braden - Crisis in Thinking & False Assumptions of an Incomplete Science
Michael Tellinger - Adam’s Calendar & Slave Species of God
Paleolithic Giants in America
First Americans came from Europe, NOT Asia?
A comet DID wipe out first North American prehistoric humans: Ice core data suggests cosmic impact killed off Clovis people
Clovis people not 1st to arrive in North America
Latest News from our Front Page
Recent Israeli Synagogue Attack, a Possible False Flag?
2014 11 21
Dear Friends - I woke up yesterday morning to see a newspaper lying on the kitchen table with the front page proclaiming that five people were slain in an Israeli synagogue after a so-called "Palestinian attack." Some members of the media said that four people were killed, others said five, so it seems like that there was some confusion (or ...
The Michael Brown Shooting, Race Baiting for Political Power and Militarization of the Police
2014 11 21
From Youtube: The evidence clearly shows that Officer Darren Wilson was justified in shooting Michael Brown, so why is this case being hyped by the mainstream media and the leftist political establishment?
Detekt: A New Malware Detection Tool That Can Expose Illegitimate State Surveillance
2014 11 21
Recent years have seen a boom in the adoption of surveillance technology by governments around the world, including spyware that provides its purchasers the unchecked ability to target remote Internet users’ computers, to read their personal emails, listen in on private audio calls, record keystrokes and passwords, and remotely activate their computer’s camera or microphone. EFF, together with Amnesty International, ...
New UK spy chief says tech giants aid terrorism, privacy not ‘absolute right’
2014 11 21
Robert Hannigan, the new head of GCHQ
The new head of Britain’s GCHQ, the UK equivalent of the NSA in the U.S., said he believes privacy is not an absolute right and that tech giants must open themselves up to intelligence agencies.
“GCHQ is happy to be part of a mature debate on privacy in the digital age,” Hannigan said. “But privacy ...
LOL: Atheist Feminist Pornographer Used as Moral Authority in T-shirt Row
2014 11 21
Dr. Matt Taylor was thrust into the headlines this last week, largely for his lead role in successfully landing a spacecraft on a comet 300 million miles from earth that travels at a speed of 85,000 mph. In short, Taylor and his colleagues pulled off one of the most amazing achievements in contemporary science and space exploration, and in a ...
|More News » |