Surstromming, Swedish for sour herring, has a powerful stink thanks to food preservation. Surstromming, Swedish for sour herring, is legendary for its powerful stink. But it's all a result of the ...

People across different cultures have been using food preservation methods for centuries. But few preserved food can be quite as "stinky" as the fermented sour herring, also known as Surstromming in ...

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 ...