Shankar Vedantam

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There's an old saying that if you want to get something done, always ask a busy person. Researchers have scientifically tested that theory. And NPR's social science correspondent Shankar Vedantam joins us now to explain what they found. Hey ya.

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You know, from Wall Street to Las Vegas, a lot of people take chances. And there's now some new social science research looking at how the mood of a gambler can change the way he thinks about the risk. NPR's Shankar Vedantam is here to explain this. Hey, Shankar.

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So what happens now now that "Mad Men" is over? This is a real question that researchers have studied, and NPR's social science correspondent Shankar Vedantam is here to tell us about it. Hi, Shankar.

SHANKAR VEDANTAM, BYLINE: Hi, Steve.

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