Oxygen isn't always a good thing. Of course, people—and most organisms—cannot live without it. But oxygen can also be quite ...

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 to ...

Gray seals may possess a secret sense that helps them survive at sea. The marine mammals adjusted their time spent underwater based on the amount of oxygen in the air they breathed before diving, ...

A clinical trial testing the intrarectal delivery of perfluorodecalin in 27 volunteers showed that the procedure was safe and feasible, with only minimal adverse effects reported. A first-in-human ...

Rivers, streams, lakes, and reservoirs aren't just scenic parts of our landscape -- they're also vital engines for life on Earth. These inland waters 'breathe' oxygen, just like we do. But a new study ...

A new study led by Alexandra Morton-Hayward explains how low-oxygen burial conditions lead to human brain preservation for thousands of years.