Month: September 2009

Zero tolerance laws have zero effect, says one expert, who analyzed data from 30,000 fatalities…

Levels of chloride, a component of salt, are elevated in many urban streams and groundwater…

A 20-year follow-up study revealed a dramatic drop in liver cancer cases among 6- to…

Researchers are developing technologies that use lasers to create arterial stents and longer-lasting medical implants…

The chance that a person in cardiac arrest will survive increases when rescuers doing cardiopulmonary…

In a break from its usual task of searching for distant cosmic explosions, NASA’s Swift…