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" ... One interesting issue that this article highlights is how difficult it can sometimes be to reconcile different lines of evidence on understanding past events. For human migrations out of Africa, specifically, these fossil results don’t quite match what all of the genetic evidence tells us. Although there is some evidence in Neanderthal genomes of a very early gene flow event predating 200,000 years ago, according to Aylwyn Scally, a geneticist at the University of Cambridge, “the curious thing is that almost all the genetic ancestry in modern humans looks like it derives from a dispersal out of Africa only 60,000-100,000 years ago. We haven't yet found significant evidence of genetic ancestry descending from much earlier dispersals, whereas we do detect the signals of mating between our ancestors and some of the Neanderthal and Denisovans they encountered while expanding across Europe and Asia. It might simply be that all of these earlier sapiens groups had already gone extinct, and hence left no genetic legacy. But if there were many of them, that starts to seem a bit odd, since as even a very small number of individual mating events can in principle be detectable today. Alternatively, it might be that our methods are missing the evidence - perhaps incorrectly identifying some of it as Neanderthal ancestry. Without direct ancient DNA data, these signals are difficult to discern. Nevertheless, models of human evolution should assign a greater weight to the possibility of multiple or semi-continuous migration of humans out of Africa.” ... "
" ... The donor aid provided to the nonprofit has grown very rapidly over the years. By 2014 they came to the realization that they needed to move from the 327 spreadsheets they used to manage inventory and dispersals from their warehouse to a digital warehouse management system (WMS). "If not for HighJump," Mr. Kregg said, "we could not do what we do." They implemented HighJump WMS for Microsoft Dynamics GP. ... "