> Hybrid species of human, once seen by experts as science fiction, may have played a key role in our evolution. Evidence of the importance of hybrids comes fro

> Hybrid species of human, once seen by experts as science fiction, may have played a key role in our evolution. Evidence of the importance of hybrids comes from genetics. The trail is not only in the DNA of our own species (which often includes important genes inherited from Neanderthals) but also skeletons of hybrids. Made me think of this, alternative explanation: http://www.macroevolution.net/human-origins.html http://www.macroevolution.net/human-origins.html