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

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 ...

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

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 ...

The study also found that many of the bacteria that increased in abundance are normally associated with the oral cavity. This suggests that shifts in gut conditions during the early stages of IBD may ...

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

Researchers find that microbes on tree bark can alter greenhouse and toxic gases, shaping climate and air quality beyond ...