From using words to overthrowing regimes, shared awareness is necessary for people to coordinate. The cognitive scientist explains to Nature how it works. When Everyone Knows That Everyone Knows...: ...

At some point in the past decade or two, dance-music d.j.s discovered a way of punctuating their sets with a prank. Just as the music was reaching a crescendo, it would glitch, then cut out completely ...

Before I became an international travel journalist, I was a screenwriter in Hollywood. At almost every pitch meeting, business lunch, and party, I met interesting, smart people. Most of them spoke ...

You don’t buy me, borrow me, or steal me, I’m handed over freely at first. Break me once, and I change forever, and I am challenging to repair. Keep me well, and I multiply. What am I? Trust. Some ...