I had always heard about the “terrible twos,” and was abstractly prepared to go through them with my son when the time came.

If you don’t recognize and empathize with the dazed glare into the abyss while holding a crying baby, you’ve never been a ...

The following year, he released a preliminary edition of Awababy Pro, an app that shows pictorially why a baby is crying when the cry is recorded on a smartphone. It takes the app about six ...