Zika virus, uncoveredJames Cavallini/SCIENCE PHOTO LIBRARYBy Sam WongCRISPR has another trick up its sleeve. The system that sparked a revolution in gene editing can also be used in fast and cheap tests for pathogens. A tool based on CRISPR has been shown to detect the Zika virus in blood, urine and saliva. It was developed by researchers at the Broad...