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

Have you ever felt "off" and gotten bloodwork done, only to find out your results were all within the "normal" range? That ...

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 ...

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

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 (hypoxemia) give ...

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

Heart diseases are rising due to unhealthy lifestyles, stress, poor diet, inactivity, and smoking. Adopting healthy habits ...

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

According to the results of a study published recently by the International Journal of Molecular Sciences, low doses of ...

Discover the fascinating world of unique organisms, like the tardigrade and spiny-headed worm, that have developed incredible ...