Students Dakota Gibson (left) and Gary Barber with school volunteer Kenny Thompson after their StoryCorps interview in Houston, Texas. StoryCorps hide caption

itoggle caption StoryCorps

A mentor can help bridge the gulf between having an interest in a subject and actually pursuing that interest through action. Above, a boy gazes up at an image of Albert Einstein on a wall in Tunis, Tunisia. Fethi Belaid/AFP/Getty Images hide caption

itoggle caption Fethi Belaid/AFP/Getty Images