You are taught early in science that oxygen on Earth comes from sunlight. Plants, algae, and cyanobacteria use light to split ...

One of the benefits of modern computer-controlled engines is efficiency. These kinds of engines manage the ignition and fueling in a precise manner so that very little fuel wastage occurs. Take, for ...

Oxygen is the second most abundant element in Earth's atmosphere. Although critical for aerobic respiration, it also poses significant dangers to life. The reduction of molecular oxygen to water by ...

Oxygen (O 2) depletion monitors are devices designed to measure ambient concentrations of atmospheric oxygen, alerting users when nearby Ievels have fallen. These alerts allow appropriate action to be ...

What’s the News: For the first time, astronomers have found molecular oxygen, which makes up about 20 percent of our air on Earth, in space. Using the large telescope aboard the Herschel Space ...