Every part of the body requires a continuous supply of oxygen to function. Oxygen entering the lungs through breathing passes ...

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 ...

Vital signs, those fluorescent green numbers that beep, ding, and dash across black screens on the monitors in hospital rooms, have become a new source of angst during the coronavirus pandemic. One of ...

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 ...

For some amphibians, like salamanders and newts, losing a limb is not a big deal. But why mammals don’t share the ability to regrow limbs after amputations has been hard to explain. One theory ...

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 ...

H1N1 cases are rising in Delhi-NCR, and doctors are reporting some patients with breathing complications. Most recover ...

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 ...

A geoscientific research team led by scientists from the University of Cologne has come a decisive step closer to determining the oxygen levels in the early Earth's history by analyzing the ...

Earth's magnetic field and oxygen levels are inextricably linked, new research suggests. The strength of the geomagnetic field has gone up in lockstep with the percentage of oxygen in Earth's ...