About half a billion years ago, early animals in the oceans and seas struggled to survive in a world that experienced ...

Imagine a world where the oxygen you need changes dramatically between day and night. Your world shifts from being rich in oxygen (oxic) in the day, so you have energy to hunt for food, to ...

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.

Increased levels of an inflammatory gene (IL1), which contributes to brain inflammation and cognitive decline. These findings ...

Blood flow is a vital aspect of our total health. It delivers oxygen and nutrients throughout our bodies, which is critical to us maintaining vitality and fitness. Regrettably, a variety of ...

A new study published on Saturday finds that oxygen levels have dropped in lakes worldwide due to lasting climate ...