The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

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 ...

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

Long Island Sound experienced this year the lowest levels of hypoxia, or low oxygen, since monitoring of water quality began nearly four decades ago, the Long Island Sound Partnership announced.

To take a pulse oximetry reading, turn on the device, place it on your fingertip, sit still, and wait for a stable reading. Normal oxygen saturation levels range from 95% to 100%; levels below 92% may ...

Researchers in the U.S. have found that exposure to low oxygen levels — known as hypoxia — early in life can cause pulmonary hypertension (PH) by permanently altering lung blood vessel development.

An implantable zinc magnesium battery generates hydrogen and removes oxygen inside tumors, triggering a hypoxia-activated drug and achieving strong, localized tumor suppression in mice. (Nanowerk ...