Our Homo Sapiens Ancestors Shared the World With Neanderthals, Denisovans, and Other Types of Humans Whose DNA Lives on in Our Genes

When the first modern humans arose in East Africa sometime between 200,000 and 300,000 years ago, the world was very different compared to today. Perhaps the biggest difference was that we--meaning people of our species, Homo sapiens--were only one of several types of humans (or hominins) that simultaneously existed on Earth. From the well-known Neanderthals […]