As a mom, a researcher, and a writer, I've spent more than a decade diving into the science of happiness. Along the way, I've collected what I call "Secrets of Adulthood" — the lessons I've learned, ...

New research from Aarhus University shows that good play is about how children feel in the moment, not about being well-behaved or learning.

This video features a multilingual conversation discussing five simple principles that support language learning. Using ...