One particular puzzle, in fact, has gone viral recently, leaving many people scratching their heads and sparking heated ...

A challenging brainteaser tests critical thinking with a math problem of finding the missing value: 3 - 3 x 6 + 2 = ?.

The ocean was a home, but in school, Llabrés preferred physics and math. In Barcelona for college, she dove into the theoretical mysteries of black holes and quantum gravity. After earning her ...

So, you'd like another opportunity to prove just how bad you are this quiz? Alright then, if you insist. The rules are simple — five points for a correct answer. Got it? Great.