In a fascinating blend of archaeology and culinary experimentation, researchers have utilized yeast microbes from Ötzi the Iceman, a mummy who lived 5,300 years ago, to create a unique sourdough starter. Ötzi, whose remains were discovered in the Alps in 1991 and are preserved at the South Tyrol Museum of Archaeology, provided a rare opportunity for scientists to study ancient microbes. In 2019, the research team collected samples and identified four strains of yeast. After reviving the yeast in laboratory conditions, they embarked on the unusual task of baking sourdough bread. The initial attempts were unsuccessful, but after three months of experimentation, they produced a loaf that was deemed 'very, very good.' This endeavor not only showcases the potential for using cold-activated yeasts in energy-efficient fermentation processes but also raises eyebrows about the ethics and implications of consuming food made from ancient sources. While some researchers question the true age of the yeast, the project has certainly made a mark, illustrating the lengths to which scientists will go in the name of research and culinary adventure.