Guinea's Grand Imam, El Hadj Mamadou Saliou Camara, tells his fellow clerics: "If there is any doubt at all, then no one must touch the body." Kevin Leahy /NPR hide caption

itoggle caption Kevin Leahy /NPR

Protester chant slogans in downtown Cairo, Egypt, on Sunday to mark the fourth anniversary of of the 2011 uprising that toppled President Hosni Mubarak. Several people have been killed in clashes with security forces. Hassan Mohamed/AP hide caption

itoggle caption Hassan Mohamed/AP

An official stands in front of relief materials at a camp for displaced people in Maiduguri in Borno State last week. The town, where many have gathered after fleeing Boko Haram attacks, is now said to be under assault from the Islamist extremist group. Reuters/Landov hide caption

itoggle caption Reuters/Landov

Dominic Ongwen, a Ugandan commander in warlord Joseph Kony's feared militia, waits for procedures to start at the International Criminal Court in The Hague, Netherlands, on Jan. 26. Peter Dejong/AP hide caption

itoggle caption Peter Dejong/AP

Cellphones are everywhere in the developing world, as this Nairobi street scene shows. Bill and Melinda Gates believe the phones can be used for everything from farmer education to instant banking. Simon Maina/AFP/Getty Images hide caption

itoggle caption Simon Maina/AFP/Getty Images