JtS,

My comment was in support of CarolC'S

"And people are also not considering the possibility that our genetics have been interfered with by intelligent humanoid beings somewhere along the way. It's entirely possible that the first humanoid form arose in another part of the universe, and has been traveling around the cosmos "spreading their seed" so to speak. "

I am aware that "The Pak are a fun concept but they are hardly an explanation for human evolution."

Though it would be difficult to PROVE that the Pak are NOT the cause of human evolution.