Sound.  Little molecules vibrating through a medium so the tiny bones in our ears can send signals to our brain to process.  Even before we are fully developed, we hear our mother’s heartbeat and our father’s favorite music.  Perhaps a dog is barking and a lawnmower buzzes around outside the window.   As we grow, we learn what the different sounds are, and make our own.  A child will learn the language that it is exposed to in the early years.  In fact, the earlier the child learns multiple languages, the more likely they will stick.  The young human will learn…