MURDER, POLITICS, AND THE END OF THE JAZZ AGE
by Michael Wolraich
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Hits of the Day
Ancient Skeleton in Mexico Shed Light on American Settlement
By Elusive Trope on Sat, 05/17/2014 - 6:21pm |Since this was part of a recent thread, thought some might find it interesting:
The nearly complete skeleton of a teenage girl who died some 12,000 to 13,000 years ago in a cave in the Yucatan Peninsula, has yielded DNA clues linking her to Native Americans living today.
The connection bolsters the prevailing theory that the sole route of human migration into North America, took place over a Siberian-Alaska bridge known as Beringia, starting 15,000 to 20,000 years ago
URL:
http://www.npr.org/blogs/thetwo-way/2014/05/16/313156935/ancient-skeleton-in-mexico-sheds-light-on-americas-settlement
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Comments
Thanks. It is interesting how they are able to use DNA and carbon dating to verify origins and a time line.
by trkingmomoe on Sun, 05/18/2014 - 12:45pm
Good link.
I have been listening to archeologists all day on Youtube who attach themselves to more fringe theories.
But I am not surprised at all that 13,000 years ago we find remains that relate to current Native American peoples.
However there are great differences amongst the Native American tribes as far as cultural considerations and DNA testing, is a fascinating subject.
by Richard Day on Sun, 05/18/2014 - 5:20pm
I also was all interested in this discovery and the DNA being extracted and linked to modern day indians.
But then, like 14 seconds later, the BIG DINOSAUR was in the news and whatcha gonna do?
by wabby on Sun, 05/18/2014 - 8:47pm
It's a cool find, but I don't understand how it "bolsters the prevailing theory that the sole route of human migration into North America took place over a Siberia-Alaska land bridge." There was never any doubt that humans migrated from Siberia. The question is whether they migrated from anywhere else.
by Michael Wolraich on Mon, 05/19/2014 - 12:01am
One of the primary arguments for the other route theories was based simply on the fact that the indigenous people of South America were physically different than their counter-parts in North America. This find proves that the physical differences in bone structures (such as the face) can occur even if both groups used the bridge to get here. Combine that with how close she was to beginning of the period of the crossing, and this leaves the other theories with not much to hang their hat on.
by Elusive Trope on Mon, 05/19/2014 - 9:13am
Exactly so. One can't really disprove migration from other routes, but evidence that has previously been used to bolster those claims (bone structure with African traits, chickens with putatively Polynesian traits) can now be shown to actually not support those claims at all. That doesn't mean that there wasn't pre-Colonial migration from Africa or Polynesia, just that there isn't any good supporting evidence for it. Some archeologists will continue to search for that supporting evidence, which is an important aspect of the scientific method, but unless/until they find it, modern introductory textbooks will most likely stick to the Beringian migratory route.
by Verified Atheist on Mon, 05/19/2014 - 11:44am
Ah, thanks for the clarification. That's too bad. A paleolithic ocean cruise would be so much cooler than a boring old land bridge.
by Michael Wolraich on Mon, 05/19/2014 - 12:19pm
Here's a link to more information on Naia. Mexico plans to lift the entire skeleton from the underwater cave for further study.
by wabby on Mon, 05/19/2014 - 6:35pm