 Mandel Ngan / AFP – Getty Images |
Click for interactive: Skulls of early Homo sapiens (right) and a Neanderthal (left, in background) sit at the Smithsonian’s National Museum of Natural History. Scientists say a third hominin group may have co-existed with those two groups 40,000 years ago. Click on the image to learn more about human evolution, in the past and perhaps in the future. |
A DNA sample taken from an ancient pinky bone suggests that a previously unknown group of human ancestors mixed it up with Neanderthals and modern humans 40,000 years ago. Was it a completely different species? Too early to say, but it might depend on what your definition of “species” is.
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