Derived immune and ancestral pigmentation alleles in a 7,000-year-old Mesolithic European. Olalde I, Allentoft ME, Sánchez-Quinto F, et al. Derived immune and ancestral pigmentation alleles in a 7,000-year-old Mesolithic European. Nature. 2014;507(7491):225-8. doi:10.1038/nature12960 Read more