Scientists Re-Create the Microbial Dance That Sparked Complex Life

Far from being solo operators, most single-celled microbes are in complex relationships. In the ocean, the soil and your gut, they might battle and eat each other, exchange DNA, compete for nutrients, or feed on one another’s by-products. Sometimes they get even more intimate: One cell might slip inside another and make itself comfortable. If the conditions are just right, it might stay and be…

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