A University of California Berkeley chemist has come up with what could be an effective means of addressing new concerns about liquid explosives. KCBS's Jeff Bell reports that Department of Chemistry assistant professor Chris Chang never set out to be a key player in the War on Terrorism, and, in fact, the original goals of his research had nothing to do with national security. "The intent of this research was to develop chemical tools to study the molecular basis of aging," Chang told KCBS's Bell. "We're interested in aging and age-related diseases." But in the course of his research, he...