Give Us This Day Our Daily Sourdough

Apparently, scientists recently found yeast in and around Ötzi the Iceman, a 5,300-year-old mummy, and used it to make sourdough bread. This is the kind of news story that makes me look at my wife’s sourdough starter differently. I used to think it was just flour and water in a jar. Now I’m wondering if it is an ancient life form, a kitchen pet, or poss…