The study also found evidence that some people today still carry that genetic legacy with them.
Neanderthals(Homo neanderthalensis) are thought to be our closest extinct human relatives.
For most of their existence, Neanderthals lived in parts of what we now call Europe and Asia.
A Neanderthal skull next to a modern human one.Image: Petr Student (Shutterstock)
More recent research has shown that Neanderthals did more than just co-exist with Homo sapiensthey also boinked.
Theyd also like to look for other common traits shaped by our gone-but-not-forgotten human cousins.
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