TIL that before the advent of refrigerators, Russians would put frogs in milk to keep it from going bad

Read more: https://www.npr.org/sections/health-shots/2012/12/17/167255929/scientists-look-for-new-drugs-in-skin-of-russian-frog?t=1630750763413

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  1. This is pretty cool. I read the headline and figured it would be about some superstition, but it turns out it actually works. This particular frog species has anti-bacterial and anti-fungal compounds in its skin secretions. I know fungus especially is a problem for frog species around the world (like chytrid fungus), but this frog has a way to beat that. And someone figured out that putting them in milk kept the milk from spoiling. I wonder how it affected the flavor.

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