When you look at the picture below, do you see straight or curved lines? That's the debate triggered by the viral optical illusion that's now raging on social media. The image is an eight-by-eight ...

An optical illusion created by Lesha Porche. One of the most interesting things about social media is the rise of riddles and puzzles. They get people perplexed, bewildered, baffled and yet hooked to ...

When you look at the picture below, do you see straight or curved lines? That's the debate triggered by the viral optical illusion that's now raging on social media. The image is an eight-by-eight ...