'Grit' earns MacArthur grant

Research psychologist and former math teacher Angela Duckworth has been awarded a MacArthur grant for her studies on the psychology of achievement.

Here's a teaser from this short interview:  "We discovered a somewhat surprising inverse relationship between grit and measures of talent, for example IQ test scores. Why don't people who are more able, who learn things more quickly, why don't they stick with things in the long run?"

And here's her TED talk, "Grit: the key to success."