Optical illusions are not just cute visual tricks but rather cognitive puzzles that give an interesting view into how our ...

Check out this new brainteaser from Gergely Dudás, also known as Dudolf! In this wintry puzzle, your challenge is to spot the polar bear among the snowmen.

Brain teasers have become one of the internet's favourite pastimes. These mind-bending challenges are not only designed to ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...