Earth's magnetic field and oxygen levels have increased more or less in parallel over the past 540 million years, suggesting ...

A test using blood and saliva samples could help track aging and guide targeted interventions to maintain mental and physical ...

The British Thoracic Society (BTS) Home Oxygen Guideline provides detailed evidence-based guidance for the use of home oxygen for patients out of hospital. Although the majority of evidence comes from ...

Daily forecasts also provide predicted temperature and oxygen levels for the Chesapeake Bay and Great Lakes in the United States, where dead zones can have big impacts on fisheries. Dead zones in ...