Dip Your Frog to Keep Your Milk Fresh


Russia Finland dipped frogs in milk to keep it from spoiling
Has anyone ever asked you if you have a frog in your throat? If you lived in Russia or Finland  you might literally have had that affliction, simply from drinking a cup of milk. 

In the days before modern refrigeration, inhabitants of Russia and Finland kept milk fresh by dipping a frog in it. 

The practice may seem bizarre, but it is well rooted in science. Russian brown frogs emit peptides that combat the growth of salmonella and other dangerous bacteria. 

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