Play is something we all do--it seems so natural, it feels a little bit ridiculous to ask why we need it. But psychology professor Alison Gopnik explains some profound benefits, and tells us about a noticeable shift that happens somewhere between age 3 and 6--a shift that causes ...

In 2006, Robert Epstein decided to turn to his computer for some help finding a date. He was single at the time, and it seemed like everyone was getting into online dating. So he started searching through photos and sending messages, reaching out to women who caught his interest. And ...