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The archive
Science · Evolution
…always are. Each held 10 milliliters of thin broth turned milky by several hundred million bacteria, every one of them descended from a single tube of Escherichia coli that a young lecturer named Hilde Marrack…
Culture · Night shift
…wrapped in a tea towel. A starter is only flour and water, left long enough for wild yeasts and bacteria to move in; fed every day, it can outlive the people feeding it, and a spoonful goes into every batch. The village…