A psychologist explains the evolutionary and psychological roots of laughter, and what an infant’s giggles teach us about how adults bond.

As an intern at The Cambridge Hospital, I (EB) was assigned an international attachment expert, Karlen Lyons-Ruth, as a psychological testing supervisor. During lulls in the testing, we met and ...

There's a new baby meme flooding TikTok and other social media sites like Instagram and Twitter / X this week, showing a "swaggy" baby covering its mouth and holding back a laugh. The clip has been ...