PRODUCED BY KNOWABLE MAGAZINE AND TIEN NGUYEN

Unpacking the groceries doesn’t ensure that food gets eaten — if it sits on the pantry shelf or the refrigerator long enough it may get chucked in the garbage — especially if the package sell-by date comes and goes. This contributes to an enormous amount of food waste each year, even though some items are still perfectly safe to eat. For perishable items that might actually make you sick, researchers have developed higher-tech ways of tracking a food’s shelf-life. 

Find out more: The dating game: When food goes bad 

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