An important lesson in every geometry class is learning the differences between rectangles and squares. So, as we start a brand new school year, let’s keep this challenge incredibly simple: In the ...

A brain teaser on Instagram puzzled users as they debated the number of squares in a grid, sparking lively reactions and diverse guesses in the comments. Brain teasers are a delightful way to ...

The internet can’t seem to get enough of optical illusions — and for good reason. These brain teasers not only entertain but also challenge our perception and cognitive abilities. From confusing ...