Breathe easy, for now. Scientists say our breathable air won't last forever. A new NASA-supported study warns that Earth's ...

Oxygen has three stable isotopes, each of which has the same number of protons but a different number of neutrons in its nucleus. All have identical chemical properties, and you could happily ...

However, the introduction of different materials will exacerbate the thermal mismatch problem and have limited improvement on oxygen barrier properties. Additionally, Y 2 O 3-ZrO 2 (YSZ ...

The oxygen supply bottleneck At the cathode ... same time in order to determine the effects of this on the electrical properties of the fuel cell. "We use a laser pulse to vaporise various ...

Different metals can react with acid, water and oxygen. How reactive a metal is determines which reactions the metal participates in. Only the most reactive metals will react with water ...

Most life today, including humans and all higher life forms—is adapted to oxygen-rich conditions, but it took a long time for organisms to become accustomed to the destructive properties of ...