Bush Urges Curbs on Greenhouse Gases by 2009

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Study: Human Ancestors Walked Upright Early

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NASA Scientist Critiques Bush's Strategy

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Bush Calls for International Emissions Effort

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Prosthetics in Sports: Disability or Advantage?

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Americans Staying Up Past Bedtime, Study Finds

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NASA Chief Questions Urgency of Global Warming

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Blue Moon on Thursday? Not So Fast

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Hawaii Family Lives Off the Grid

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Hawaii Businessmen Back Renewable Energy Plan

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Air Passenger Might Have Exposed Travelers to TB

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Listen to this 'Talk of the Nation' topic

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New, Distant Planets Discovered

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Studying a Koala Mystery in Eastern Australia

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Resource-Rich Hawaii Depends On Fossil Fuel

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