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  • How Tuna Stay Alive in Heart-Stopping Cold

    It may be a little odd sounding, but tuna are very cold hearted creatures. No, they aren't unnecessarily cruel or stoic in life. Instead, they just can literally have cold hearts, with the organ somehow able to keep functioning even when deep-diving chills it to temperatures that would stop a human heart. Now researcher think they know how the fish is capable of this amazing feat.