Many new parents can relate to the frustration of trying to figure out the exact needs of their baby. Are they hungry? Do they need changed? Whether it's a piercing wail to have their diaper checked, ...

Six-month-old Jane McCullough "signs" right along with her grandparents. Jane McCullough, a 6-month-old baby, has watched her parents and grandparents, who are both deaf, communicate using American ...