Expiration dates tell us when we should throw out food or when chemicals stop being as effective. This episode is hosted by Rob Paravonian.

Produced by Victor Varnado & Rachel Teichman

Full Wikipedia & news article here:https://www.nytimes.com/2022/04/05/well/live/covid-test-expiration-date.html https://en.wikipedia.org/wiki/Expiration_date

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