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President Obama hosted the second White House Science Fair celebrating the student winners of science, technology, engineering and math (STEM) competitions from across the country on Feb. 7, 2012.
Science TV Personality Bill Nye attends the second White House science fare in the East Room at the White House in Washington, D.C. on February 7, 2012. Obama invited the winners of a broad range of science, technology, engineering and math (STEM) competitions from across the country to the White House. UPI/Kevin Dietsch
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