The Ultimate Happiness Quiz
Until pretty recently, happiness wasn't given too much thought in a scientific kind of way. It isn't an easy thing to pin down, especially when you're trying to make judgments on entire groups and populations. But the science of happiness has been booming lately, and we've found out a lot about who's happy, what makes us happy and how to become happy. Take this quiz to find out how much you know about the art of being happy.