Victoria, a 2-year-old rat, sniffs for TNT, sticking her nose high in the air to indicate she's found some. She works her way down a 10-meter line with a handler on either end, and is able to detect the presence of TNT at a distance of approximately half a yard. Michael Sullivan for NPR hide caption

itoggle caption Michael Sullivan for NPR

In this 16th-century painting, Saint Benedict exorcises a demon from a man possessed. Alfredo Dagli Orti/The Art Archive/Corbis hide caption

itoggle caption Alfredo Dagli Orti/The Art Archive/Corbis

Residents stand at the entrance of Aung Mingalar, a Rohingya quarter of Sittwe, the capital of Rakhine State in western Myanmar. All but 4,000 of the neighborhood's 15,000 mostly Rohingya residents either fled or were forced to move to internment camps after violence between Buddhists and Muslims in 2012 killed about 200 people. Anthony Kuhn/NPR hide caption

itoggle caption Anthony Kuhn/NPR