High blood pressure and body mass index, or BMI, may be directly linked to the increased risk of developing vascular dementia ...

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 ...

When you’re short on sleep and your focus suddenly drifts, your brain may be briefly slipping into cleanup mode. Scientists ...

The Buffalo Bills have been preparing for the altitude in Denver prior to their playoff game against the Broncos.

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

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

Abstract: In times of pandemics, mechanical ventilators are indispensable for delivering controlled inspired oxygen (FiO2) to maintain appropriate blood oxygen saturation levels (SaO2). Abrupt drops ...

What could happen if oxygen levels doubled in Earth’s atmosphere. Why Venezuela’s oil may be far more trouble than it is worth for Chevron and other companies How fake admiral was caught out by ...

Abstract: The oxygen saturation level in the blood is a critical vital sign, often measured non-invasively. However, current non-invasive methods are limited to pulse oximeters and can yield ...