News

We might commonly think of Earth as having an oxygen-dominated atmosphere, but in reality the molecule makes up only a fifth of our air. Most of what surrounds us is nitrogen, at 78 percent.
If nitrogen levels are especially high and oxygen deficiency is extreme, death can result. According to OSHA, between 2012 and 2020, 14 American workers died from asphyxiation related to nitrogen ...
We might commonly think of Earth as having an oxygen-dominated atmosphere, but in reality the molecule makes up only a fifth of our air. Astrobiologists are beginning to see nitrogen — and not just ...