"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 little quizzes that are designed to make you think in various different ways. They may seem to be easy initially, but they tend to bring twists. Getting them resolved is like a good ...

Join us for some laughs and challenges as we take on a series of fun brain teasers together! Can you solve them faster than we can? Play along and see how many you get right! #BrainTeasers ...