More than half said using dirty words at work makes an employee appear less intelligent.

FORBES: Dirty Words Can Cost You a Promotion

In one experiment, they found that job candidates who ordered a glass of wine during an interview over dinner were viewed as less intelligent than those who ordered a soft drink.

ECONOMIST: Drinking at work: The boredom of boozeless business | The

Society needs a mechanism for sorting out its more intelligent members from its less intelligent ones, just as a track team needs a mechanism (such as a stopwatch) for sorting out the faster athletes from the slower ones.

NEWYORKER: Live and Learn

If success in school is a function of intelligence and hard work, and less intelligent students have to work harder to achieve the same grades as their more intelligent counterparts, only hard work seems to matter in predicting career success.

FORBES: What Makes Some MBAs Wildly Successful?

Then assume that these incredibly bright women would be happy with a mate who is their intellectual equal or more, but at risk for falling madly in love, any moment, with a younger, less intelligent, less educated woman because she is, I assume, quite pretty.

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On the whole it was a disarming, intelligent and politically effective performance: one expects no less.

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Some have to be taught to talk less, while others undergo a crash course in current events to help them make intelligent conversation.

CNN: ASIANOW - TIME Asia | Beauty and Bounty