This cost-efficient smartphone app helps reduce waste and food poisoning: Scans "paper-based" sensors on food packaging

(Natural News) Food waste is a problem that affects not just your grocery budget but also the environment. But if you’re worried about food safety while also trying to prevent food from spoiling in your fridge, researchers from the U.K. might have the answer. According to the research team, a paper-based sensor they developed can...

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