I love optical illusions, especially ones where you know what your eyes are telling your brain is wrong, but you can’t seem to get your brain to see that. The famous Checkerboard Illusion is a great ...

Eye bleeding typically means bleeding or a broken blood vessel involving the tissue layers on the outer surface of the eye. This is a subconjunctival hemorrhage. But there is another, less common type ...

Checkerboard first caught my eye back in March, right at the start of work-from-home orders, while I was scrolling through the sales section of Jungmaven, the California-based hemp-clothing brand.