https://www.smithsonianmag.com/smart-news/scientists-made-sourdough-bread-with-yeast-found-on-otzi-the-icemans-mummified-body-180988894/ Scientists Made Sourdough Bread With Yeast Found on Ötzi the Iceman’s Mummified Body Discovered in the Alps in 1991, the remains are home to a wide variety of bacteria, fungi and yeasts Researchers say they have successfully made sourdough bread using yeast found on Ötzi’s body. Up next, they hope to try making beer.