Over at Haldane’s Sieve there are more than preprints posted, there are commentaries from the authors as well. For example, for The genetic prehistory of southern Africa, the first author, Dr. Joseph K. Pickrell, has a extended comment up.
But occasionally you get contributions & perspectives from non-authors which are very interesting. And it is to one of these I want to draw your attention, Thoughts on: The date of interbreeding between Neandertals and modern humans. It’s a comment on The date of interbreeding between Neandertals and modern humans. In the post Dr. Graham Coop contends:
At this point you are likely saying: well we know that Neandertals existed as a [somewhat] separate population/species who are these population X you keep talking about and where are their remains? Population X could easily be a subset of what we call Neandertals, in which case you’ve been reading this all for no reason [if you only want to know if we interbred with Neandertals]. However, my view is that in the next decade of ancient human population history things are going to get really interesting. We have already seen this from the Denisovian papers [1,2], and the work …