Add Yahoo as a preferred source to see more of our stories on Google. Round discs of barren dirt known as “fairy circles” look like rows of polka dots that can spread for miles over the ground. The ...

Patterns appearing on both the very large and very small scale are extremely rare, but researchers have found a similar pattern in two apparently unrelated systems -- skin cells and fairy circles in ...

(CNN) — Round discs of barren dirt known as “fairy circles” look like rows of polka dots that can spread for miles over the ground. The phenomenon’s mysterious origins have intrigued scientists for ...