Babies are born with the ability to cry, which is how they do most of their communicating. A baby's cries generally tell you that something is wrong in their world. In fact, sometimes what a baby needs can be identifies by her cry- for example the "I'm hungry" cry may be short and low pitched, while "I'm upset" may sound jerky.
A baby's smile says "I'm happy" or "Do that game again!" A baby cries to let us know "I'm hungry" or "I need a nappy change. From the first month on, babies listen and pay attention to important voices around them. …
