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 ...

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

Picture a mammal that can deliberately shut down most of its brain functions for most of the year, then wake up in the spring with its memories and in.

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

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

If you frequently find yourself breathless, more than normal, the causes can be traced back to several factors.

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

Under hypoxic conditions, tumour cells often switch from efficient aerobic respiration to anaerobic glycolysis (the “Warburg ...

A scary incident for parents and their children staying at a hotel in Canmore, Alta. this weekend, when a chlorine leak in ...

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

The Arctic ground squirrel survives conditions that would cause irreparable brain damage in almost any other mammal on the ...