Essential video portal focusing on human nature, promoting healthy skepticism, critical thinking and reason.

The Science of Kissing


When you really think about it, kissing is an odd human behavior. You know, all the rubbing of our faces all over each other. So there must be a good reason why we do it, right? From motherly comforts to testing the genetic compatibility of your “mate” . . . the science of kissing is pretty awesome.

[Source: It’s Okay To Be Smart YouTube link]