https://curiositium.com/tag/sourdough/Recent content in Sourdough on The CuriositiumHugoenThis work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.Sun, 07 Jun 2026 00:00:00 +0000https://curiositium.com/checking-your-sourdough-into-a-hotel/Sun, 07 Jun 2026 00:00:00 +0000https://curiositium.com/checking-your-sourdough-into-a-hotel/<p>Somewhere near Copenhagen, a hotel guest is being fed twice a day, kept at a carefully controlled temperature, and picked up from home by bicycle. The guest is a jar of beige goo. It has a name, a family history, and an owner who paid real money for the room. Welcome to the strange, surprisingly scientific world of sourdough hotels — and to the microbiology that explains why they exist, what they actually accomplish, and the one thing they never mention at check-in.</p>