A new optical illusion puzzle on Reddit challenges players to find a cow that bites another's tail among many. Optical illusion challenges are often tough to solve. The latest puzzle on Reddit has ...

Optical illusions are a great way to challenge the brain. Since they present themselves in the forms of numbers, puzzles, and mind-boggling images, users are forced to exercise their minds and think ...

Optical illusion challenges are often tough to solve. The latest puzzle on Reddit has left thousands of users scratching their heads. The task is to locate a "dangerous" cow among dozens of others.