In a news focus, Science looks into the roles that science advisers have played in US administrations. How effective a science adviser is, the article says, depends on the relationship with the rest of the White House and with the scientific community. "It requires grace and intelligence and sharp elbows," Rodney Nichols, the former president of the New York Academy of Sciences, says.
Pacific Biosciences researchers say they have obtained single-molecule, real-time sequencing data by using DNA polymerase undergoing uninterrupted template-directed synthesis and four differentially, fluorescently-labeled deoxyribonucleoside triphosphates. They report a median accuracy rate of 99.3 percent.