I'd love to see more detailed info about lactase persistence propagation in space & time in Roman and medieval era Europe.
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Replying to @NickSzabo4 @razibkhan
I expect to see uneven expansion -- for example disease outbreak favoring pastoralism over grain agriculture would cause a spike.
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Replying to @NickSzabo4 @razibkhan
The early Dark Ages seems to consistently favor pastoralists (Germans, Arabs) over bread eaters.
3:10 PM - 11 Dec 2016
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