Here's a story, maybe apocryphal, about an episode in the life of a young Louis Pasteur. It marks his first dip into the world of microorganisms. And it's about how he saved the people of Lille from living without booze.
Louis Pasteur is well-known for saving lives by pioneering pasteurization and researching bacteria. He's less well-known for collecting a large sum of prize money for a contest that ended in an epic battle of scientific theists.
It's hard to think of anything more essential to human survival than eating. And yet that very primal act of gobbling sustenance has, of late, become one of the most genuinely perplexing things we people do.