The North American Vexillological Association — it brands itself as the world’s largest club for flag enthusiasts — has settled on five basic rules for good flag design. They even distilled the rules ...

Today’s optical illusion is challenging viewers to find a hidden "5" among a sea of "2s." The tricky pattern plays with human perception, making it hard to spot the odd number. Can you find it?

Zoom just released a new feature called blur background, and it looks great. It’s a new native feature and I show you how to ...

On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...

Traditionally, blue is associated with masculinity and pink is associated with femininity. Blue may represent boyhood or be ...

A previously unknown painting by Pablo Picasso has emerged from the shadows of history, hidden beneath a Blue Period ...