A few days ago, I was visiting a new coffee shop in an unfamiliar neighborhood. In line to place my order, a polite stranger in front turned around, nodded at me, and said, "Hello." In that otherwise ...

Have you ever found yourself in a moment so uncannily familiar that it sends shivers down your spine? That eerie feeling of being sure you’ve experienced something before, even when logic insists ...

Déjà vu is a bit of a mystery. Experts aren’t sure what causes the sensation of having experienced something before, but they have some compelling theories. “Déjà vu” describes the uncanny sensation ...