“...modern populations carry between 1.8 to 2.6 percent Neanderthal DNA—that’s higher than the previous estimates of about 1.5 to 2.1 percent. More specifically, East Asians have about 2.3 to 2.6 percent Neanderthal DNA, while people from western Europe and Asia have retained about 1.8 to 2.4 percent DNA. African…