President Obama at the White House Science Fair

President Barack Obama talks with Erika DeBenedictis, 18, a student at Albuquerque Academy in New Mexico, during an unscheduled tour of auxiliary exhibits in the East Garden Room of the White House following the White House Science Fair, Oct. 18, 2010. DeBenedictis won the top award in the Intel Science Talent Search for developing a software navigation system to improve spacecraft travel through the solar system. (Official White House Photo by Pete Souza)

Featured in the Following Photo Galleries:

• October 2010: Photo of the Day