Ancient microbes illustrate a particular kind of respiration in which carbon dioxide and hydrogen are combined to form acetic ...
The sea mammals may actually be able to sense the amount of oxygen in their blood—something we humans can't do.
Pope Francis is slowly regaining his strength in hospital but must "relearn to speak" after prolonged use of high-flow oxygen ...
It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers ...
For diving mammals, avoiding drowning is critical to survival. Even though diving mammals have adaptations to store ...
The seals’ ability to detect the amount of oxygen in their blood may help them make diving decisions and avoid drowning.