Some people can't form mental images. Here's what scientists are learning about the condition known as aphantasia—and why ...

When Leah Craft Horner couldn't see her reflection, she texted her friend that her 'brain has just stopped working.' It took ...

A visual brain teaser challenges viewers to find a hidden '41' amidst a sea of similar numbers, testing focus and pattern recognition. These puzzles offer a fun mental workout, improving attention to ...