Scientists discovered that the kitchen sponge is a better incubator for diverse bacteria communities than a lab petri dish.
A kitchen sponge is the perfect environment for a thriving smorgasbord of different bacteria, according to researchers from Duke University. After doing experiments, the scientists discovered that the sponge in the kitchen sink is a better incubator for diverse communities of bacteria than a petri dish in a lab.
And it's not just the trapped leftovers that feed the swarming microbes, they warn. It's the structure of the sponge that is housing these germs. When it comes down to it, bacteria are a bit like people: Some are gregarious extroverts that prefer living in a community, while others are reticent loners that would rather avoid crowds. When you dump a bunch of different bacteria into a petri dish, the loners have nowhere to hide, limiting how broad and diverse the microbial community can become.
But a kitchen sponge? It has the perfect structure to provide big spaces for the community-loving bacteria as well as smaller compartments for the bacteria that just want to be left alone. So, a kitchen sponge is the perfect environment for a thriving assortment of bacteria. At least, that's what the group of biomedical engineers found when they did experiments to learn how bacteria species affect the population of other species in different environments. The researchers
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