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Today’s Internet is governed by the idea that crowds of people can create the news, share information and collaborate on online projects. So when Wikipedia, the user-written encyclopedia that’s built an empire on this ideal, decided this week to add a layer of oversight to its system, the Web erupted in debate.
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NASA’s launch of the Mars Science Laboratory — hampered by technical difficulties and cost overruns — has been delayed until the fall of 2011, NASA officials said at a news conference Thursday in Washington.
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NASA officials Sunday waved off the first opportunity for space shuttle Endeavour to return to Earth, citing poor weather conditions.