Although nitrogen is very abundant in the atmosphere, it is largely inaccessible ... an ever-increasing impact on the global nitrogen cycle. Human activities, such as making fertilizers and ...

The Nitrogen Cycle Let’s begin our discussion of the N cycle in a ... nitrate can be converted to a gas by microbes and lost to the atmosphere through a process called denitrification. Nitrogen and ...

Nitrogen gas makes up 78% of Earth’s atmosphere and is an essential component in amino acids and proteins. However, plants and animals cannot use nitrogen gas directly. Nitrates and other ...

Scientists are unraveling the mysteries of Titan, Saturn’s largest moon, and its dense nitrogen-rich atmosphere. Despite its ...

Among the most ecologically important and well known are the element cycles of carbon (C), nitrogen (N), oxygen ... exposed to oxygen from Earth's atmosphere, Fe(II) rapidly oxidizes to Fe ...

Scientists from The University of Manchester and NCAS have identified unique species important to the marine reduced nitrogen cycle, including the first observations of gas-phase urea in the ...

Millions of Americans could witness the stunning solar light show in different states over the weekend as a higher-strength geomagnetic storm passes overhead.

Nitrogen emissions into the atmosphere consist mainly of ammonia (NH3) and nitrogen oxides (NOx). In 2022, they comprised 121 million kilograms of ammonia (mainly from agriculture) and 162 million ...

As Dr. Renate Mauland-Hus explains, the solar maximum will continue until mid-2025. This phase will see increased aurora ...

Among these processes, the sulfur cycle is crucial. Sulfur enters the atmosphere from both natural ... phase or other oxidants like ozone (O3), nitrogen dioxide (NO2), and hydrogen peroxide ...