While some complain that extracting natural gas from shale rock formations is tainting their water supply, others who have allowed drilling on their property are getting wealthy. Lesley Stahl reports.
Reply
Healthcare is a business, but medicine will always be an art. Kamen, a physician, talks about what he learned, as both a patient and a doctor, when he himself developed a rare tumor.
Steve Kroft profiles famous microbiologist J. Craig Venter, whose scientists have already mapped the human genome and created what he calls “the first synthetic species.”