The key difference between human beings and Neanderthals is how we consume and expend energy. It goes a long way toward explaining why we survived to the modern era while our — literal — kissing cousins died out.
That's one of the interesting takeaways from a long article by Vox's Brain Resnick exploring the inter-species sex lives of Homo sapiens and Homo neanderthalensis.
(Every living person not of exclusively African descent has some Neanderthal ancestry. It appears Neanderthals never made it to Africa.)
Resnick spoke to Bernard Wood, a paleoanthropologist at George Washington University. Here's the bit of their conversation that stuck out to me [...] Business Insider