"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 ...

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!

Challenge yourself with two fun brain teasers that will test your logic and thinking skills. Can you solve them both?

Brain teasers are a great way to boost your cognitive abilities. Like the old saying goes, "use it or lose it," and studies show that games that specifically engage your brain can help improve your ...

Looking for a quick mental challenge? Try these two fun brain teasers and see how fast you can solve them. #BrainTeaser ...

Brain teasers are fun little puzzles that make you think in different ways. They might look simple at first, but they often have a twist that surprises you. Solving them gives your brain a good ...