Liz covers cardiovascular and metabolic disease, asking why we’re not doing better or even losing ground against the world’s leading killer. Send tips on Signal at LizC.22. Oxygen is the breath of ...

Coral reef research has focused on the twin evils birthed by record-high greenhouse gas emissions: warming oceans and increasingly acidic seawater. These global threats are caused by seawater ...

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes than people living closer to sea level. But the mechanism of this protection ...

Reduced oxygen levels and air pressure at higher elevations may limit insects' ability to move upslope to escape a warming climate, with potential consequences for the essential services they provide, ...

Earth's breathable atmosphere is a temporary phenomenon, experts predict. Computer simulations show oxygen loss within one ...