Breathing is a crucial biological function essential for survival and various bodily processes. It occurs involuntarily, ...

The sea mammals may actually be able to sense the amount of oxygen in their blood—something we humans can't do. A new study suggests gray seals (Halichoerus grypus) can sense the level of oxygen in ...

A new sensor could soon allow hospital patients' blood oxygen levels to be checked via their breath. The technology is claimed to be more reliable and less painful than existing traditional methods.