A baby's first cry is not just sound it is survival. Science explains why crying comes before smiling or laughter in newborns.

Your baby’s first breath, and that very first cry, may sound like music to your ears. But behind this emotional moment lies fascinating science. That initial cry signals that your baby’s lungs are ...

New research has found a surprising physical reaction when hearing a baby's cry. Scientists found that hearing an infant in distress activates the autonomic nervous system—the body's unconscious ...