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 ...

A new study is investigating whether ear oxygen monitoring could be more precise than fingertip tests.

Imagine a world where oxygen levels are doubled! This dramatic change would ignite intense fires that would be harder to manage, as oxygen fuels combustion. Our bodies could struggle with the excess ...

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 ...

Withings has launched the next version of its Pulse activity tracker, now called Pulse O2. The new device allows users to measure their blood oxygen levels, which help users understand the efficiency ...

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 ...

Thanks to new OS updates rolling out now, you can once again use your Apple Watch to measure the oxygen level in your blood. In a news update, the company announced that the “redesigned” Blood Oxygen ...

Rapid changes in marine oxygen levels may have played a significant role in driving Earth's first mass extinction, according to a new study led by Florida State University researchers. About 443 ...

Tiger Iron formed when in the sea dissolved iron reacted with free oxygen produced by the first photosynthetic life forms on Earth. For the first 2 billion years of Earth's history, there was barely ...