If the germ theory is relatively new, how do they think fermentation was happening (like wine, ale, yogurt etc.) thousands of years ago?

Question

If the germ theory is relatively new, how do they think fermentation was happening (like wine, ale, yogurt etc.) thousands of years ago?

In: 613

Answer 1

The same way we know how to get into space via a rocket ship despite not knowing all there is to know about all related areas of physics.

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It just works. Figuring out all the nitty-gritty stuff later doesn’t stop people from doing it to begin with, although you probably want a bigger knowledge base for something like sending shuttles into space.