Before Fridges, There Were…Frogs??

Today I Learned that before fridges, people put live FROGS in their milk.

For centuries, Russian and Finnish communities dropped brown frogs (Rana temporaria) into milk vessels to keep them fresh longer. It worked, they just didn’t know why.

Fast forward to 2012: Scientists at Moscow State University discovered the frog’s skin secretes a cocktail of antimicrobial peptides (like Brevinin 1Tb) that fight off bacteria like Staphylococcus and Salmonella. Nature’s preservative.

Now researchers ar