U.S. President Barack Obama shares a group hug with Team America Rocketry Challenge students from Presidio, Texas, during the second White House Science Fair in Washington February 7, 2012. The fair celebrates the achievements of student winners of a broad range of science, technology, engineering and math (STEM) competitions from across the country. At center is 7th grader Gwynelle Condino.

REUTERS/Kevin Lamarque (UNITED STATES – Tags: SCIENCE TECHNOLOGY SOCIETY EDUCATION POLITICS)