Topic ID #13966 - posted 9/22/2011 4:05 AM

Did the Orientation of the Continents Hinder Ancient Settlement of the Americas?



Jennifer Palmer

Webmaster
Did the Orientation of the Continents Hinder Ancient Settlement of the Americas?

ScienceDaily (Sep. 21, 2011) — In an intriguing original look at the history of the first Americans, a new study finds evidence that the north-south orientation of the American continents slowed the spread of populations and technology, compared to the east-west axis of Eurasia.

The research, published in the American Journal of Physical Anthropology, is part of a special section which explores who the first Americans were and how they were able to settle in the last great unexplored habitat.

The research, by Sohini Ramachandran and Noah Rosenberg, from Brown University and Stanford University respectively, uses genetic information to explore the effects of continental axes and climates on human migration and adaptation across the Americas.


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