source-sink dynamics
Late Neandertals: more diverse than most scientists thought
The new “Thorin” genome from Grotte Mandrin represents a previously-unknown Neanderthal deep history.
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Climate models, Neandertals, and Denisovans
A new paper on biogeography of Neandertals and Denisovans raises ideas about the interactions of these groups.
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Should we be surprised if Neandertals, Denisovans, and modern humans didn’t form stable hybrid zones?
A geneticist asks why we don't see more persisting hybrid populations, and I find an answer in the theory of population source-sink dynamics.

Did Neandertals evolve in a population sink?
The dynamics of adaptation in shrinking populations may help understand how many ancient populations evolved.