Who Were the Ancestors of Native Americans? A Lost People in Siberia, Scientists Say

It seems scientists were previously quick to make ultimate conclusions, recent studies keep shifting the dating and complexity of the peopling of the whole Americas.

Ancient DNA Reveals Complex Story of Human Migration Between Siberia and North America
Two studies greatly increase the amount of information we have about the peoples who first populated North America—from the Arctic to the Southwest U.S.
https://www.smithsonianmag.com/science-nature/ancient-dna-reveals-complex-story-...

This from the NYT article describes much of the confusion:
“the people who live in a place today often have little genetic connection to those who lived there thousands of years ago.”

Who We Are and How We Got Here: Ancient DNA and the New Science of the Human Past by David Reich, c. 2018

In his book, Reich writes (page 82): "...Native Americans derive about a third of their ancestry from the Ancient North Eurasians, and the remainder from East Asians. It is this major mixture that explains why Europeans are genetically closer to Native Americans than they are to East Asians."

>4 Rood: Exactly. The information discussed in this article has been on its way for years now, accelerating after the extraction of DNA from the 24,000 year old Ma’lta fossils in 2013:

https://www.nytimes.com/2013/11/21/science/two-surprises-in-dna-of-boy-found-bur...