It's no secret that Earth is doomed. Sure, there's the threat of climate change and the fact that sea levels are rising around the world. But that's not what we're talking about. Instead, our planet's ...

Reduced oxygen levels lead to increased blood flow The researchers believe the boost to executive function is tied to physiological changes triggered by the reduced oxygen. When oxygen levels drop, ...

The Chesapeake Bay saw oxygen levels hit record lows this summer. That’s according to the hypoxia measurement, which is performed twice a month. Hypoxia happens when water has less than 2 mg/l of ...