I was told by a biologist that old houses were full of airborne yeast (saccarome cervisirae) which origins where the «Chaumes» roof. [confirmed by a link in the

I was told by a biologist that old houses were full of airborne yeast (saccarome cervisirae) which origins where the «Chaumes» roof. [confirmed by a link in the paperspace] https://books.google.fr/books?id=GcqQCgAAQBAJ&pg=PT68&lpg=PT68&dq=toit+de+chaume+et+levure+de+biere&source=bl&ots=0lxAI0sLBc&sig=3PO4zjstinLdHYPfaLvcHhfUgZo&hl=fr&sa=X&ved=0ahUKEwiCgviO3e7RAhXF7hoKHS7tDdMQ6AEIGjAA#v=onepage&q=toit%20de%20chaume%20et%20levure%20de%20biere&f=false https://books.google.fr/books?id=GcqQCgAAQBAJ&pg=PT68&lpg=PT...