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Jeffrey Goldberg's recent interview with Fidel Castro may have raised questions about Castro's commitment to the Cuban model of socialism, but the Cuban leader was absolutely clear on one thing: he enjoys a good dolphin show: We went…

Sep 16

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While attention on the Gulf has mostly focused on oil, the explosion and spill also released tremendous amounts of natural gas. David Valentine, a microbial geochemistry professor at the University of California, Santa Barbara, and his research team…

For the 1 percent of users who woke up to a different Twitter experience Wednesday morning, it was probably the biggest change they have ever seen to the real time information service. Twitter has approximately 160 million users and there…