Shankar Vedantam Shankar Vedantam is a science correspondent for NPR.

Human psychology is just one of the many factors House Speaker John Boehner must consider as he negotiates and lobbies for votes on Capitol Hill. J. Scott Applewhite/AP hide caption

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J. Scott Applewhite/AP

Political Negotiations Also Shaped By Human Psychology

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The research is contradictory — some scientists claim violent video games, like Grand Theft Auto, have an adverse effect on young people who play them while others see no such evidence. Grand Theft Auto/Rockstar Games hide caption

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Grand Theft Auto/Rockstar Games

It's A Duel: How Do Violent Video Games Affect Kids?

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Residents check an earthquake-damaged house in Sukagawa city on March 11, in the Fukushima prefecture in Japan. A researcher says that after large-scale natural disasters, it's frequently friends and neighbors who are key to survival. Jiji Press/AFP/Getty Images hide caption

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Jiji Press/AFP/Getty Images

The Key To Disaster Survival? Friends And Neighbors

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NPR science correspondent Shankar Vedantam explains why so many powerful people get caught up in sexual indiscretions. Eduardo Munoz Alvarez/Getty Images hide caption

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Eduardo Munoz Alvarez/Getty Images

Power May Increase Promiscuity

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