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Before modern refrigeration, rural communities in Russia and Finland used an unusual technique to keep milk from spoiling: they dropped live brown frogs (Rana temporaria) into their milk containers. Scientists later discovered that the skin of these frogs secretes antimicrobial peptides-natural antibiotics-that kill bacteria and slow spoilage, helping the milk stay safe to drink for longer.Did you know? πŸŽ“

russian frogs milk national science finland
Before modern refrigeration, rural communities in Russia and Finland used an unusual technique to keep milk from spoiling: they dropped live brown frogs (Rana temporaria) into their milk containers. Scientists later discovered that the skin of these frogs secretes antimicrobial peptides-natural antibiotics-that kill bacteria and slow spoilage, helping the milk stay safe to drink for longer.Did you know? πŸŽ“
Before modern refrigeration, rural communities in Russia and Finland used an unusual technique to keep milk from spoiling: they dropped live brown frogs (Rana temporaria) into their milk containers. Scientists later discovered that the skin of these frogs secretes antimicrobial peptides-natural antibiotics-that kill bacteria and slow spoilage, helping the milk stay safe to drink for longer.Did you know? πŸŽ“

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