Two recent studies – with non-convergent conclusions – about early human settlement in the americas.
nature’s “Genetic evidence for two founding populations of the Americas” analyses genomic data pointing to genetic familiarity among some amazonian populations and Australasians. This is a more diverse genetic ogirin than presented in the other study,
Science’s “Genomic evidence for the Pleistocene and recent population history of Native Americans” claiming evidence for a single migration wave from Siberia populated Americas.