This brain teaser may look easy at first, but it has a twist. Can you spot the mistake and correct the equation by moving ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Researchers at Duke University monitored participants’ brain activity while they completed simple math ...

Challenge your mind with quick and fun brain teasers that are simple to start but harder to solve than they look.

Add Yahoo as a preferred source to see more of our stories on Google. Who doesn't love a clever brain teaser puzzle? Also known as rebus puzzles, these visual brain teasers will challenge your wits!

This movie themed brain teaser adds a fun twist to the challenge and makes you think in a whole new way. See if you can get ...

Some artworks become part of cultural memory. Even people who don’t actively study art can usually recognise a face, a smile, or an expression that they might have seen somewhere. According to ...