Now that police have secured the second of two suspects in Monday's Boston Marathon bombing -- who as of Saturday night lay hospitalized in serious condition under heavy guard and apparently in no shape to be interrogated -- the long and meticulous process of examining motives, methods and possible links begins.
U.S. Defense Secretary Chuck Hagel said Sunday the United States and Israel see "exactly the same" threat from Iran, but differ on when it may reach the point of requiring U.S. or Israeli military action.
Rescuers and relief teams struggled to rush supplies into the rural hills of China's Sichuan province Sunday after an earthquake left at least 179 people dead and more than 6,700 injured and caused frightened survivors spent a night in cars, tents and makeshift shelters.
The world's 2.4 billion Internet users ran 1.2 trillion Google searches last year. But none of this surfing and searching would be possible without something else that often gets taken for granted: the humble Web browser.