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White House Hosts Science Fair

U.S. President Barack Obama is hosting the 2014 White House Science Fair to celebrate student winners of science, technology, engineering and math competitions from across the country. The president said Tuesday he is amazed by the young scientists at the White House. They worked on projects ranging from a "concussion cushion" for helmets to lightweight sandbags that expand when wet to help people more easily prepare for flood disasters. Obama announced his...

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