Fur Seals' Hearts Race Hours After Coming Home From Deep Sea Hunts

Scientists discovered something amazing about fur seals: their hearts suddenly beat super fast hours after they return to land from hunting trips deep in the ocean! The seals' bodies have learned to wait until they're safe on shore before doing all their recovery work, kind of like they're hitting a giant reset button—which makes you wonder if other diving animals have secret superpowers we haven't discovered yet!