It replaced a rickety old farmhouse on the site that, when Stamets moved in, was slowly succumbing to an infestation of carpenter ants. Stamets set about devising a mycological solution to the problem. He knew precisely which species of Cordyceps could wipe out the ant colony, but so did the ants: they scrupulously inspect every returning member for Cordyceps spores and promptly chew off the head of any ant bearing spores, dumping the body far away from the colony. Stamets outwitted the ants’ defense by breeding a mutant Cordyceps-like fungus that postponed sporulation. He put some of its
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