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• Categorized in 17037

  Electric Cars Primer

  Hybrids, plug-ins, and extended-range electric cars are hitting the market. Use this interactive primer to learn how they work.
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  Una Laptop por Niño

  The philanthropic effort dubbed the $100 Laptop has not met its grand initial goals. But its first deployment, in Peru, may turn skeptics into believers.
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  Brain Trauma in Iraq

  Thousands of U.S. soldiers have survived powerful explosions in Iraq. Many are returning home with brain injuries that could result in long-term disabilities.