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!

"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 ...

Brain teasers are not only fun but also an excellent way to exercise critical thinking and improve observation skills. This particular challenge, based on physics and balance, calls for quick judgment ...

Your brain is a muscle, and just like any other muscle in your body, it needs exercise to stay sharp. Engaging in brain ...