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 ...

Everything changes as soon as the calendar turns to February. The air smells different, there are more roses — pink, yellow, ...

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 ...