Shankar Vedantam

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DAVID GREENE, HOST:

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

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Copyright 2017 NPR. To see more, visit http://www.npr.org/.

DAVID GREENE, HOST:

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

DAVID GREENE, HOST:

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

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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.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2016 NPR. To see more, visit http://www.npr.org/.

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

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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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