and the point of breathing is to get oxygen inside the body and to get rid of carbon dioxide. But how does it all work? Let’s use our virtual biology headsets to find out. Here we are at the ...

But how does a generator work? Whether you’re new to using a ... it’s important to note that portable generators are not the same thing as home standby generators, which are machines that ...

While there are several variations and considerations for generators, it all comes down to your personal needs and ...

At first, fliers coped by filling tanks with pressurized oxygen and inhaling the gas through rubber tubes; later, form-fitting face masks made oxygen delivery more reliable. In many high-flying ...

The oximeter numbers are only estimates of your blood oxygen levels — and they should be taken in context. How does a pulse oximeter work? There are many types of pulse oximeters, which come ...

Metallic nodules found deep in the sea seem to be producing significant amounts of oxygen by some unknown mechanism, researchers revealed last year. Now, we may have found out how it is happening ...

Does It Work? Hyperbaric oxygen therapy is a growing trend in wellness clinics, medical facilities and even individual homes. WSJ’s Daniela Hernandez explains how it works and explores whether ...