A new proof-of-concept device created by UC Berkeley researchers can sniff out gases emitted by harmful bacteria, allergens,

Many people rely on the sniff test to decide whether food is still safe to eat. If milk smells fine or leftovers don’t seem off, we often assume they are okay. But the human nose isn’t always reliable. Every year, millions of people in the United States become sick from food-borne germs that can grow […]

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