Optical illusions are not only fun, but also a wonderful means of putting your brain and eyes to the test. They have the tendency to play tricks on the mind by making it overlook the obvious, and ...

Optical illusions are images that challenge your brain and observation skills and make you believe that there is no hidden object or animal. These puzzles have become a way to cool down on a busy day ...

Gender is so fundamental to the way we understand the world that people are prone to assign a sex to even inanimate objects. We all know someone, or perhaps we are that person, who consistently refers ...

For millennia, mathematicians have wondered whether odd perfect numbers exist, establishing an extraordinary list of restrictions for the hypothetical objects in the process. Insight on this question ...