EvC Forum: Footsteps in time that add 30,000 years to history of America

Another source not requiring {sign-in\registration} is:

http://www.sciencewa.net.au/science_news.asp?pg=21&NID=275

One small quibble: the concept of two or more waves of immigration has been around a while, with some vocal {opponents\proponents}

A link to a pbs story on this, with some genetic evidence, is:

http://www.pbs.org/saf/1406/features/dna.htm

The idea of two separate migrations fits nicely with the two migrations suggested by mtDNA studies. It seems likely that men bearing the M45a and M3 Y chromosome were traveling with women carrying A, C and D mtDNA. Based on the mtDNA dates, this migration probably occurred 20-30,000 years ago. Using similar reasoning, the second wave would have arrived in North America between 9,500 and 7,000 years ago.

One caveat I have here is the time calculation based on a {steady\average} mutation rate, so always take these with a cube of salt, imho, but relative general relationships are still valid: two (or more) waves, one much older than the other.

I also had this:

A New Look for the First Americans
DISCOVER Vol. 24 No. 3 (March 2003)

She was amazed to find that one of them is 12,700 years old, 700 years more ancient than any human remains ever before found in North America.

That skull, known as Peon III Woman, has a long, thin shape, dramatically unlike the short, broad form of previous Mexican remains and of today's Native Americans.

The original link to Discover Magazine is broken now (they changed their format) But I'm sure a google on {{"Peon III Woman"}} will turn up information, like:

http://www.utexas.edu/...stross/ant322m_files/1stpersons.htm

NOTE: this is just additional information and not a discussion (wrong forum for that). Anyone want to discuss can start a thread.

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