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

By analyzing brain activity in mice, they determined that a fat molecule called PIP2 acts as a brake on Piezo1. When brain ...

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 ...

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

If you’re waking up tired even after seven or eight hours of sleep, your heart rate may be falling too far during the night.

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

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

A new study explains why current brain theories fail to fully explain near-death experiences and consciousness.

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