Evidence suggests that the prehistoric Out of Africa Migration has impacted the degree of intra-population genetic and … phenotypic diversity across the globe. This paper provides the first evidence that this migration has shaped cultural diversity …, phenotypic, and phonemic traits along the Out of Africa migration routes, setting conditions for the emergence and proliferation …

We compile large datasets from Norwegian and US historical censuses to study return migration during the Age of Mass … Migration (1850-1913). Return migrants were somewhat negatively selected from the migrant pool: Norwegian immigrants who …