More than a decade ago, NPR's Ari Shapiro attempted to eat a fermented Swedish herring calledsurströmming, one of the most pungent foods in the world. It did not go well. Twelve years later, on a ...

Surstromming, Swedish for sour herring, is legendary for its powerful stink. But it's all a result of the chemistry of preserving food. This week on Reactions, we learn about the world's smelliest ...

Surströmming, a fermented herring considered to be a famous delicacy in Sweden, is also known as one of the most pungent foods in the world. More than a decade ago, NPR's Ari Shapiro attempted to eat ...