Seals Run Up a Physiological Tab at Sea and Pay It Back on Land
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Six hours after a fur seal hauls herself onto a rocky beach, something unexpected happens inside her chest. Her heart rate, which you might reasonably expect to be winding down toward sleep after days of cold-water hunting, climbs instead. Sharply. For an animal sprawled apparently motionless on the shore, her cardiovascular system is doing anything but resting. It is, it seems, settling accounts.
That’s the upshot of a new study in Frontiers in Physiology, one that’s forcing marine
That’s the upshot of a new study in Frontiers in Physiology, one that’s forcing marine
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