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#🌎பொது அறிவு
🌎பொது அறிவு - =5 In Russia, before refrigeration, people kept milk fresh by adding live brown frogs to it. Scientist Albert Lebedev found that the frogs' skin released antimicrobial substances, which stopped bacteria from growing: =5 In Russia, before refrigeration, people kept milk fresh by adding live brown frogs to it. Scientist Albert Lebedev found that the frogs' skin released antimicrobial substances, which stopped bacteria from growing: - ShareChat