Why is my baby crying? App could help parents figure it out

A new app aims to help parents interpret what their baby wants based on the sound of their cry. The free app ChatterBaby, which was released last month, analyzes the acoustic features of a baby's cry, to help parents understand whether their child might be hungry, fussy or in pain. While critics say caregivers should not rely too much on their smartphone, others say it's a helpful tool for new or weary parents. Like many new parents, Fatema Bell is often trying to figure out why her 5-month-old