Washington Metro plans to install 153 security cameras at the entrances of its rail stations and is also considering recruiting auxiliary police officers to improve security.
U.S. Secretary of Homeland Security Janet Napolitano said that security on the southern U.S. border "is better now than it ever has been" and that violence from neighboring Mexico hasn't spilled over in a serious way.
Japan's government said the cost of the earthquake and tsunami that devastated the northeast could reach $309 billion, making it the world's most expensive natural disaster on record.
A recent study in the Journal of Applied Psychology found that verbal aggression, exclusion, bullying and incivility are becoming more frequent in today's workplaces.
With 63 percent of schools experiencing malware outbreaks or unauthorized user access at least twice a year, the results of a Panda Security survey indicate that IT security is a resource-heavy, time-consuming effort that schools struggle to manage efficiently.