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aspergers@40
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This 2009 report http://www.sciencemag.org/cgi/content/abstract/323/5913/479 abstract states:
An article which sums up the report is http://www.robertsaunders.org.uk/index.php?option=com_myblog&show=In-the-Journals-Human-expansion-across-the-Pacific-mapped-by-language-and-bacteria.html&Itemid=63
The attachment below is from Science Illustrated magazine and shows how technology probably drove the expansions. My question which I sent to the editor is:
Debates about human prehistory often center on the role that population expansions play in shaping biological and cultural diversity. Hypotheses on the origin of the Austronesian settlers of the Pacific are divided between a recent "pulse-pause" expansion from Taiwan and an older "slow-boat" diffusion from Wallacea. We used lexical data and Bayesian phylogenetic methods to construct a phylogeny of 400 languages. In agreement with the pulse-pause scenario, the language trees place the Austronesian origin in Taiwan approximately 5230 years ago and reveal a series of settlement pauses and expansion pulses linked to technological and social innovations. These results are robust to assumptions about the rooting and calibration of the trees and demonstrate the combined power of linguistic scholarship, database technologies, and computational phylogenetic methods for resolving questions about human prehistory.
An article which sums up the report is http://www.robertsaunders.org.uk/index.php?option=com_myblog&show=In-the-Journals-Human-expansion-across-the-Pacific-mapped-by-language-and-bacteria.html&Itemid=63
The attachment below is from Science Illustrated magazine and shows how technology probably drove the expansions. My question which I sent to the editor is:
Dear editor,
If a 40,000 year ago crossing across the Wallace Line was based on canoe technology, why did it take another 35,000 years to evolve the sail and outrigger? It should have happened much sooner imo. This doesn't appear to be the case though. Perhaps colonization of Australia was via a freak uplift of the seabed 40kya and we simply walked!
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