Why Don't Fish In The Arctic Ocean Freeze?

If the freezing point of fish blood is -0.9 ° Celsius, how are Antarctic fish able to keep moving at a temperature like -1.8 ° C? You're not the only one to ask.   Fish in the Arctic have a special sort of antifreeze, similar to what we put in cars - special frost protection proteins - but just how they work has been unclear. read more

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