User blog comment:Blinkn/Correcting an Oversight/@comment-821254-20120111020927/@comment-3317214-20120111104739

Oh, and also, yeah, the idea of aliens looking so much like humans that you can't really tell they're actually aliens is an interesting concept. In reality, they wouldn't physically be able to reproduce with us if they are from a different species. No matter how much they look like each other. But hey, this isn't reality...