Why do we tip—even when we know we’ll never see the server again? New research suggests it’s not just about rewarding good ...

It's time to stop bickering, accept what science tells us, acknowledge the widespread occurrence of intentional behavioral flexibility, and pay attention to why it has evolved.

"Glass" has a unique and distinct meaning in physics—one that refers not just to the transparent material we associate with window glass. Instead, it refers to any system that looks solid but is not ...

Fair labor isn't just about wages, it's a mental health issue: Decent work conditions shape psychological well-being.

It's far from clear that the president has a coherent plan for replacing Iran's radical Islamist autocracy with a friendlier regime.