Biogeochemists have shown that rare doubly heavy nitrogen-15 molecules act as a natural fingerprint of microbial nitrogen ...

Nitrogen is one of life's building blocks, but it's only helpful in the right amounts. Too much nitrogen in water, for ...

The circulation of nitrogen in water and the atmosphereNitrogen is one of the most abundant elements on Earth, accounting for ...

A Greenland mesocosm experiment using nitrogen-15 tracers shows that tundra microbes capture most winter-released nitrogen ...

Nitrogen may not get the same level of attention as its neighbors on the periodic table, carbon and oxygen. But like its neighbors, it's an element we can't live without. Nitrogen compounds have ...

Excess nitrogen is an issue in some places, but lack of the element is also an issue elsewhere, research shows. Since the mid-20th century, research and discussion has focused on the negative effects ...

Nitrogen is essential for life. It's needed to build proteins, DNA and many other components of cells. Although nitrogen gas ...