A Bengaluru-based team has discovered a coffee-inspired, affordable way to detect banned dyes and contaminants in food at trillionth levels, offering a breakthrough in low-cost food safety testingA Bengaluru-based team has discovered a coffee-inspired, affordable way to detect banned dyes and contaminants in food at trillionth levels, offering a breakthrough in low-cost food safety testing Latest News [ SOBAN NEWS: International and National ]