Never miss a chance to simultaneously impress and show up your smarty-pants brother-in-law or boss. With that in mind... The Pew Research Center has come up with a 12-question online science quiz.

Finding out if you're intelligent isn't so hard nowadays with all the resources and quick-fire brainteasers. You could try a puzzle, or get lost with a tricky optical illusion, whatever floats your ...

Maybe you have a dark sense of humor, or perhaps you failed your driver’s test—both are signs of intelligence, according to science. But how smart are you, really? The Cognitive Reflection Test (CRT), ...