As urbanization and industrial expansion continue to accelerate across major cities, urban populations find themselves ...

Blood oxygen levels have come into the spotlight this year because health practitioners are using that metric to check for and monitor COVID-19 cases. But blood oxygen, or SpO2, levels have been used ...

In the wake of annual post-Diwali festivities, severe air pollution has once again blanketed major metropolitan zones across ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Off the coast of southeastern China, one particular fish species is booming: the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A doctor has disproved the myth that face masks or coverings lower ...

Oxygen levels in the Earth's atmosphere are likely to have "fluctuated wildly" 1 billion years ago, creating conditions that could have accelerated the development of early animal life, according to ...

Florida State University scientists have uncovered answers to a conundrum in Earth’s history: Why did marine life experience an extraordinary boom millions of years ago? Scientists have long been ...

Because of land use and climate change, lakes and reservoirs globally are seeing large decreases in oxygen concentrations in their bottom waters. It is well-documented that low oxygen levels have ...