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Similar to how antifreeze in your car keeps the water in your radiator from freezing in cold temperatures, some animals have evolved amazing machinery that prevent them from freezing, such as antifreeze proteins, which prevent ice crystals from forming, we already knew that this tiny snailfish, which lives in extremely cold waters, produced antifreeze proteins, but we didn't realize just how chock-full of those proteins it is -- and the amount of effort it was putting into making these proteins.