Lots of us daydream about how different the world would be if the 9/11 attacks had never happened (or maybe only happened in a parallel universe). Is daydreaming a sign of intelligence or creativity? It turns out that it’s a sign that our memories are working just fine.
Studies have found that our minds are wandering half the time, drifting off to thoughts unrelated to what we’re doing–did I remember to turn off the light? What should I have for dinner? In fact, you’re probably not going to make it all the way through this story without thinking about something else.