Scientists Answer the Age-Old Question of When It's Time to Toss That Food
To toss or not to toss: Exactly when leftovers become trash has fueled arguments of couples, roommates and co-workers since the dawn of the refrigeration.
Rotting Butter on a Plate in a Fridge
(Jonathan Kitchen/Digital Vision/Getty Images)Does moldy bread go in the trash, or just get a trim around the green spot? Can Sunday's leftovers be Friday's meal? What about that day-old ground beef?
While scientists have developed methods to detect spoilage -- for example, sensors that go off when milk changes consistency or a polymer to detect bacteria growth in meat -- until these are available on a mass scale, food science and safety experts have some tips.
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