Kháng sinh ếch
(TNO) - Khi muốn lên men tạo sữa chua và bảo quản, các nông dân Nga thường thả vào thùng sữa một con ếch, điều kỳ cục này dẫn đến việc phát hiện một số kháng sinh mới. Theo đó, chuyên gia hóa hữu cơ Lebedev cùng các đồng nghiệp từ Trường đại học Moscow đã xác định được tiềm năng kháng sinh trong da ếch.
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