Food expiration dates don't mean what you think

Countries around the world waste huge amounts of food every year: roughly a fifth of food items in the US are tossed because consumers aren't sure how to interpret expiration labels. But most groceries are still perfectly safe to eat past their expiration dates. If the dates on our food don't tell us that something's gone bad, what do they tell us? Carolyn Beans shares how to prevent food waste. [Directed by Anton Bogaty, narrated by Alexandra Panzer, music by Salil Bhayani, cAMP Studio].