Sniffing for Cancer : Nano Noses Hold Promise for Detecting Lung Cancer and Other Diseases

Nearly two decades ago, Hossam Haick was working on a Ph.D. degree in chemical engineering at the Technion Israel Institute of Technology when terrible news hit: his friend and officemate had leukemia. It was Haick's first close encounter with cancer and the physical toll its treatment could wreak on a person. "He's fine now, but it was very difficult to see him suffer," Haick remembers.