What is it about being a girl that can make her lose what psychologists call "intrinsic motivation"?
Happiness is the ultimate currency.
Dear Rachel, I admit I'm in a clique...
Girls may love movies about fairytale princes, but their most captivating romance is with their friends.
The way you talk to your child about her day matters just as much as her answer.
Read Rachel's latest article in Slate, where she tells her personal story about parenting a child with a developmental delay.
Instagram rocks. I love it, and so do the youth I work with and study. The latest Pew survey says…