Ammonium nitrate forms when ammonia gas and nitric acid, produced by agricultural activities and fossil fuel combustion, respectively, react in the atmosphere. The findings appear in Environmental ...

the most robust finding was that ammonium nitrate particles were linked to poorer learning and memory," Herting noted. While fossil fuel combustion remains a major source of PM2.5 in urban areas ...

The Joint Munitions Command has successfully completed a research, development, test, and evaluation project which ...