Now that we know that people were already 'using' and growing plants actively in the hunter-gatherer phase 20,000 years ago ALSO in the Middle East, it is time to review our ideas of the 'hunter' and the 'farmer', and stop thinking in terms of a big change from one era to the other, at least not due to these factors alone:
Here's the latest archaeological research into pre-Neolithic plant cultivation / diet, this time in the Mecca of farming, much closer to our Western Levant-obsessed school of archeology than Japan.
I am so glad about the discovery:
http://news.bbc.co.uk/1/hi/sci/tech/3826731.stm
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