Recently, the research team led by Professor Wu Lifang from the Hefei Institutes of Physical Science of the Chinese Academy ...

A malfunction during the startup of the nitric acid plant at US Nitrogen LLC in Greene County on Sunday morning prompted a ...

The execution is the 22nd in the U.S. this year and the sixth in Alabama, which has put three of the men to death using ...

An Alabama man convicted in the 1994 killing of a female hitchhiker cursed at the prison warden and made obscene gestures ...

The state executed Carey Dale Grayson, 50, who was convicted of killing a hitchhiker in 1994. Alabama's use of nitrogen ...

The state is scheduled to execute Carey Dale Grayson, 50, who was convicted of killing a hitchhiker in 1994. Alabama's use of ...

Carey Dale Grayson is set to die by nitrogen hypoxia after being convicted of killing 37-year-old hitchhiker Vickie Deblieux ...

A federal appeals court says it will let the nation's third execution with nitrogen gas go forward this week. The 11th U.S.

Ships are still emitting too much nitrogen oxide. Until now, it has been impossible to measure this at sea, but that is set ...

Prison officials in Alabama have executed convicted murderer Carey Dale Grayson, marking the state's sixth death sentence and ...