Amateur Egyptologist uses 5000-year-old Egyptian yeast to bake bread

An amateur Egyptologist has used more than 5,000 year-old yeast and used it to bake bread. Sourced from ancient Egyptian pottery held in Boston’s Museum of Fine Arts, Seamus Blackley used a complex sterilization process before using the yeast to make sourdough, documenting it step-by-step on his Twitter page.