Following a traditional Bulgarian method of yogurt-making, researchers added four live forest ants into a warm jar of milk. (David Zilber via SWNS)
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Researchers bury a jar of milk covered in cheesecloth and placed in a red wood ant colony to incubate, following a traditional method where ants and their microbes help ferment dairy into yogurt. (David Zilber via SWNS)
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Sample collected from ant yogurt fieldwork in Bulgaria, including yogurt and local forest ants. (David Zilber via SWNS)
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Researchers tasted the first trials of ant yogurt, where the milk had begun to coagulate and acidify, which are signs of early yogurt fermentation. (David Zilber via SWNS)
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