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

Just because germ theory is new doesn’t mean that germs are. People just had stuff happen. They decided they liked it, and recreated it. When that worked again, they kept it up and told others.