Nitrogen is one of the primary nutrients critical for the survival of all living organisms. Although nitrogen is very abundant in the atmosphere, it is largely inaccessible in this form to most ...

The nitrogen cycle is a biogeochemical process encompassing the biologically mediated and abiotic transformations of nitrogen between atmospheric, terrestrial, and aquatic reservoirs, enabling its ...

Ammonia is one of the most abundant alkaline gases in the atmosphere. When released into the air, it reacts with acidic compounds to form fine particulate matter known as PM2.5, which contributes to ...

In a warming corner of Iceland, tiny soil microbes are quietly rewriting one of Earth’s most fundamental life-support systems ...