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Past research by Walker and colleagues at Harvard Medical School, which was published in the journal Current Biology, found that in people who were sleep deprived, activity in the prefrontal lobe - a region of the brain involved in controlling emotion - was significantly diminished. He suggests that a similar response may be occurring in the nap-deprived volunteers, albeit to a lesser extent, and that it may have its roots in evolution. "If you're walking through the jungle and you're tired, it might benefit you more to be hypersensitive to negative things," he says. The idea is that with...

Author: /time Magazine | Title: Wish Fulfillment? No. But Dreams Do Have Meaning | 6/15/2009 | See Source »

...Korean peninsula aligned with the U.S. Klingner says Beijing has for years feared a North Korean implosion, in the manner of the former East Germany's, because it would come with costs both economic (refugees crossing the Chinese border) and diplomatic (the loss of a buffer state in a region that, though stable, is inhabited by countries that really don't like one another much). The costs to Beijing of kicking the North Korea can down the road by negotiating endlessly within the six-party talks were, with Washington's support, minimal...

Author: /time Magazine | Title: Your Move, China | 6/15/2009 | See Source »

...know that if she was freed, it would not be a concession; it would be a test. For more than two years, U.S. forces in Iraq had been holding three Iranian diplomats they believed were members of Iran's Revolutionary Guards Corps, linked to terrorist attacks in the region. Iran was not asking for the three men to be released in exchange for Saberi. But Tehran would be watching for the U.S. response. (See pictures of the faces of Iran...

Author: /time Magazine | Title: Can the U.S. Contain Iran's Nuclear Ambitions? | 6/15/2009 | See Source »

...center of high-level U.S. diplomacy since the 1980s. Throughout Bill Clinton's presidency, he led U.S. efforts to secure peace between Israel and the Arabs. Ross helped shape Obama's position on Iran during the 2008 campaign, and as the President makes a goodwill trip through the region, much of the business he is conducting in Arab capitals is in furtherance of Ross's Iran plan...

Author: /time Magazine | Title: Can the U.S. Contain Iran's Nuclear Ambitions? | 6/15/2009 | See Source »

...challenge of stopping the violence in the North Caucasus, many observers think the Kremlin is keen to maintain the status quo. "This is the stability that the Kremlin wants," says the Carnegie Institute's Malashenko. "In Europe or anywhere else, the regular deaths of government workers in one region would not be classified as stability. The North Caucasus are not stable; they are just in a constant state of 'not war.'" And as long as they stay that way, the Kremlin seems happy to turn its back and pretend all is well...

Author: /time Magazine | Title: Has Russia Lost Control of the North Caucasus? | 6/12/2009 | See Source »

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