The spot the difference game is an entertaining and interactive puzzle that tests your observation ability. In this age-old ...

Artificial intelligences fail to identify optical illusions in images created by other AIs – so these images could form the ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...

Maintaining a sharp mind every day is important, and the best way to do so is by solving difficult brain teasers. The puzzles ...

Visitors explore one of the mind-bending illusion rooms at the Paradox Museum London, where framed portraits appear to come ...

This fun optical illusion tests your ability to focus! The cluster of related words conceals a word. Within 7 seconds, identify the concealed word among these words. To reveal the deception, pay close ...

This fun optical illusion tests your ability to focus! The cluster of related numbers conceals a number. Within 8 seconds, ...

Experts suggest that people who can solve optical illusion puzzles quickly have excellent observation skills. Solving this ...

Do you have a sharp eye? This optical illusion is the best way to put your observation to the test! Only sharp-eyed and very ...

This article presents a mental challenge involving a photo puzzle where you have seven seconds to identify the dog's owner ...