If you're reading this, chances are you're a devourer of information (welcome to the club). Whether you're a professional overthinker, an incurable bookworm, or someone who can't stop asking "but why?

This post was co-authored by Marcia Gralha, M.A. We all have minds. But what is the mind, really? If you’ve ever tried to explain why a dog chases a ball, why a breakup hurts, or what it means to “be ...