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.
Allison Begalman, a student at the University of Southern California, wears goggles and headphones to experience a virtual mortar strike on civilians in Aleppo, Syria.
James Delahoussaye /NPR
New England Patriots head coach Bill Belichick speaks during an NFL football news conference at Gillette Stadium, on Saturday in Foxborough, Mass. Belichick defended the team against allegations they had cheated by using underinflated footballs in a championship game.
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.
Crew members carry a bag containing the body believed to be a victim of AirAsia Flight 8501 to a waiting helicopter on the deck of Indonesian Navy ship KRI Banda Aceh, on the Java Sea, Indonesia, on Friday.
When he was 59 years old, Greg O'Brien was diagnosed with early-onset Alzheimer's disease. Five years later, he is speaking publicly about his experience, even as his symptoms worsen.
Courtesy of Greg O'Brien
Ukrainian servicemen stand guard on a street near a burning building after a shelling by pro-Russian rebels of a residential sector in Mariupol, eastern Ukraine, on Saturday.
Secretary of Defense Chuck Hagel, shown here in his Pentagon office Friday, explained that transferring Guantanamo Bay detainees required action from many parts of the federal government.