There’s been lots of talk about “Ancient North Eurasians” (ANE) and “Basal Eurasians” (BEu) on this weblog recently. Both are examples of what David Reich calls “Ghost Populations,” they contributed to the ancestry of moderns, but they no longer exist as distinct exemplars from which we can draw judgments (“Ancestral South Indians,” ASI, are another … Continue reading Open Thread, 3/27/2014