A distant flicker of light from a star can reveal more than you might expect. In fact, a brief, subtle brightening in the sky ...

The court ruled that TimkenSteel, now Metallus, did not violate a specific safety requirement regarding respiratory equipment because nitrogen is not considered a "toxic gas." The dissenting ...

However, few measures sparked more controversy than the law Governor Sarah Huckabee Sanders signed, approving nitrogen gas as a method of execution. "These individuals, if they walk in our society ...

A boy rubs his eye after tear gas was fired by Israeli Police into the yard of the UNRWA Boys' School run by the U.N. agency for Palestinian refugees in the Shuafat Refugee Camp in east Jerusalem ...

In a visit to one of the schools — all run by the United Nations agency for Palestinian refugees, known as UNRWA — Associated Press reporters witnessed Israeli police throw tear gas into the ...

"Certain emissions [such as] particulates, sulfur oxides, and nitrogen oxides are managed via exhaust gas aftertreatment systems, which are part of the vehicle and installed to either capture ...

Tell the gas (truck) to go!" a man in one video shouted ... air pollution from chemicals such as ammonia, sulfur dioxide and nitrogen dioxide in the air. Schools and offices in Bandar Abbas ...

These binoculars don’t just let you look; you capture the moment for repeat viewing. Snap 1080p HD photos or record videos directly to a TF card so that you can relive the thrill (or the chills ...