130-year-old butter bacteria discovered in Danish basement

Breakthroughs, discoveries, and DIY tips sent every weekday. For over a century, simple lactic acid bacteria has been one of the most reliable additives to keep food and drinks safe for over a century. It goes in butter, cheese, and other dairy products to help extend their shelf life. Now, a team in Denmark has uncovered some of the preservation aid's earliest examples. Their findings, published in the, only come after a chance discovery hidden away in the bowels of a university basement.