You probably already have a hunch or you wouldn’t be reading this. Anyway, here are two tests you can take. 1. Which way is the dancer spinning when you look? A remarkable thing happened when I did this. I was so amazed that anyone could see it the other way than what I saw – [...]

From Wikipedia: Creativity (or “creativeness”) is a mental process involving the generation of new ideas or concepts, or new associations of the creative mind between existing ideas or concepts. From a scientific point of view, the products of creative thought (sometimes referred to as divergent thought) are usually considered to have both originality and appropriateness. [...]