No more spoiled milk? Researchers develop unique sensor that can "smell" if milk has expired without opening the container

(Natural News) You may not trust the expiration date printed on the milk container for various reasons. That’s why researchers have made a new colorimetric nanosensor that “smells” the dairy product to see if it’s still safe for drinking. Researchers from various departments and schools of Washington State University (WSU) pooled their expertise together to create...

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