When this ammonia is fixed by bacteria or during nitrification, reactive avatar and oxygen form a melange of compounds: Nitric oxide (NO), Nitrogen dioxide (NO2), nitrous oxide (N2O), nitrate (NO3).

How core-mantle differentiation influenced the distribution of volatile elements on Earth. Imagine Earth's history as a ...

Imagine if Earth's history had a mystery novel, and one of its biggest unsolved puzzles was: Where did all the nitrogen go?

Stephenson Road in Heaton, Newcastle, has high levels of nitrogen dioxide (NO2) and difficulties tackling the problem means the city is not forecast to meet targets until as late as 2045 -13 years ...

The boundless potential of astronomical discovery contrasts sharply with the backwardness and reaction promoted by Trump and ...

For example, chlorine has two isotopes (35 Cl and 37 Cl) and the relative atomic mass of chlorine is 35.5. Relative atomic masses do not have units. For example, the formula for carbon dioxide is ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Non-Commercial (NC): Only non-commercial uses of the work are permitted. Starch and ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Electrochemistry can enable sustainable chemical manufacturing but is limited by the ...

While earlier studies have linked childhood asthma to air pollutants like fine particulate matter and nitrogen dioxide, the impact of ozone alone has been less understood. This study suggests ozone ...

Apr. 18, 2025 — A new study suggests that early-life exposure to two widespread environmental pollutants -- small particle air pollution and outdoor artificial light at night -- could increase ...