Your IQ must be higher than 98% of people if you can spot the lock that is unlocked in this bunch of locks. Can you prove you have the sharpest eyes and fastest brain? Take this 5-second challenge now ...

Puzzle lovers are getting the heebie-jeebies over this “freaky optical illusion,” which makes people ... The only time viewers will ever see these celebrities looking hideous.

The perception-altering animation, entitled “Emergent City Flyby With Colossus,” was a finalist in the Neural Correlate Society’s 2021 Best Illusion ... t the first optical illusion to ...

Optical illusions are images that play a visual trick on our brains, deceiving us into seeing something that is not there, or hiding something that is. These fun puzzles are a fantastic way to ...

The symbol you see first in this optical illusion-based personality test below reveals your very best personality traits ... Even if you’re having the worst time ever, you are always sure ...

Dr. Laeng thinks it “is probably the greatest experiment ever in human ... up with the best solution, but there are several possibilities for the same type of input.” Illusions like the ...

Almost nobody can work out which way Super Mario is going in baffling optical illusion. Sometimes the best optical illusions are the ones that leave us scratching our heads—and this mind-bending ...

How optical illusions work has been long-debated among ... while cones respond best to bright light and are involved in color vision. As light enters the eye, it is absorbed by the rods and ...