Oxygen began entering Earth's oceans around 2.32 billion years ago, and shallow seas followed within a few million years.

For smaller spaces, opening all the windows in a room for a few minutes is often enough to improve the indoor air quality.

I just finished reading your article on Indoor Air Circulation – great read. You discussed venting when using CO2, and I understand perfectly that you should shut the CO2 off while the exhaust fans ...

A new portable device that harvests oxygen from the air, however, may someday allow them to stay at home. Typically, the air supplied by medical ventilators has a higher oxygen content than the ...

It is one of the most polluted countries on earth. So it may come as little surprise that the latest fad in China is literally offering its city dwellers a breath of fresh air. Numerous fresh air ...

PARIS--(BUSINESS WIRE)--Regulatory News: Air Liquide (Paris:AI) will invest around 150 million US dollars to expand its production capacity and pipeline network in Tennessee, U.S., in the context of a ...

Slugs move oxygen throughout their bodies, as other animals do, but they do so without lungs. How is this possible?

Modern car engine control systems rely on input from several sensors to regulate the engine’s performance as well as its emissions and other vital functions. When these sensors fail to provide ...

A T-6 Texan pilot flies in formation with another T-6 over Laughlin Air Force Base, Texas. Concerns about oxygen grounded the T-6 fleet for a month early last year. (Tech. Sgt. Jeffrey Allen/ Air ...

The purpose of a cold-air intake is to find cold air in an otherwise hot under-hood environment. It can do this by drawing air from above the hood, under the front bumper or a spot inside the engine ...