Looking for a challenging and stimulating activity? Try solving a pattern-based puzzle posted on Instagram by Optical Illusions. The puzzle presents three patterns and asks you to predict the next ...

Another crop circle has appeared in the English countryside — and this one's clearly been made by someone, or something, that understands math. At first glance, the strange ratcheted pattern, ...

Lately, I have found myself drawn more and more towards circles and circular shapes in design — and I don't appear to be alone; I'm seeing so many interiors projects where circles are the hero of the ...

They look a little like crop circles and a little like artistic earthworks. Around the world, they have many names: in the Namib Desert of Africa, they’re called “fairy circles;” in Brazil they’re ...