Picture puzzles are simple puzzles that test your observation skills. They are excellent for improving your concentration and ...
Optical illusions challenge eyes and brains with hidden numbers in complex patterns. This test features a 6-digit number blended into colorful swirls, exploiting visual perception tricks.
When sitting still, eye saccades are used to track targets of interest but how are saccades used when pursuing prey while simultaneously navigating through complex environments? To solve this question ...
If you want to ward off boredom and put your vision to the test, why not try this tricky brainteaser that asks you to find the guitar pick that's dropped onto the floor ...