Pulse oximeters use light to measure how much oxygen is in a person’s blood. For most people, a normal pulse oximeter reading is between 95% and 100%, researchers said in background notes. Readings ...

These underground rodents are the first mammals found to actively choose air with lower-than-normal oxygen levels. Their ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

"Although absolute differences in readings were small, they can result in substantially higher rates of false negatives and ...

Climate change is extending far beyond the threat of melting polar ice caps -- it's putting a dangerous stranglehold on life in oceans, too. A new study published in the science journal Nature ...

Makers of medical devices that quickly measure oxygen levels in the blood would have to gather extra data to show that their products work for patients of color, under a new federal proposal released ...

This large prospective UK study compared five low-cost fingertip pulse oximeters with arterial blood gas measurements and ...

Research reveals when and why ancient tropical seas transitioned from oxygen oases to marine dead zones, providing clues to ...

Levels of molybdenum in soil show that hydrogen sulfide gas wiped out nearly half of all marine life 530 million years ago.