Many microbiologists begin their workday by opening up the incubator shaker and taking out a culture flask; they then swirl it around to examine the progression of cell growth. They can examine the turbidity of the broth to tell if cells are reproducing as planned. Opening up the lid and sniffing the culture will tell seasoned microbiologists if they’re growing what they think they’re growing, because many bacterial species produce signature aromas. But w...


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