Frozen for 5,000 years, this ice cave bacterium resists modern antibiotics

ScienceDaily
Feb 21, 2026, 10:38 pm59 ptsTrending
Deep inside a Romanian ice cave, locked away in a 5,000-year-old layer of ice, scientists have uncovered a bacterium with a startling secret: it’s resistant to many modern antibiotics. Despite predating the antibiotic era, this cold-loving microbe carries more than 100 resistance-related genes and can survive…

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Frozen for 5,000 years, this ice cave bacterium resists modern antibiotics

ScienceDaily

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