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Seals may be able to directly sense oxygen levels in their blood, an ability humans don't possess. A Scottish study reveals these marine mammals adjust their dives based on this ...

The seals’ ability to detect the amount of oxygen in their blood may help them make diving decisions and avoid drowning.

A pulse oximeter is a small device that typically clips on to your finger, toe, or earlobe to measure oxygen levels in the blood. Pulse oximetry is a quick and easy way to determine how well ...

A team of scientists with the Sea Mammal Research Unit, School of Biology, University of St Andrews, in the U.K. has found that gray seals are able to monitor their blood oxygen levels as a means ...