A visual acuity test is an eye exam that checks how well you see the details of a letter or symbol from a specific distance. Visual acuity refers to your ability to discern the shapes and details of ...

In the image above, you can see a clean bedroom. The bead is neatly made, there is a vase on the nightstand, and everything is kept in order. Now, there is something out of place in this visual test ...

You're probably aware that solving brain teaser puzzles every day makes you smarter. These online puzzles have been scientifically shown to boost your cognitive capabilities, memory strength, and ...