The official investigation into the deaths of five firefighters, who lost their lives in a California wildfire, blames human error, but official policy is also under scrutiny.
Ubiquitous wireless technology could be very harmful or absolutely safe. The findings from two vast ongoing studies are headed towards opposite conclusions.
Biometric technology has been in place at the United States-Mexican border to screen for terrorists and illegal immigrants for almost a decade, but inspectors rarely make use of it.
Technological savvy and psychology, intelligently used, could help keep America safe, according to a counterterrorism expert. Two new projects meet his approval.
Health services in some countries have been successful in reducing the toll of medical errors. The World Health Organization plans to spread the knowledge.