Demetrius Frazier, 52, was pronounced dead at 6:36 p.m. CST at a south Alabama prison for his murder conviction in the 1991 rape and killing of 41-year-old Pauline Brown. It was the first execution in ...

Possible Safety Concerns With Gas-Packaged Meats While the use of nitrogen is not so controversial, there's debate around the use of carbon monoxide for similar ends (such as keeping tuna fresh).

A federal judge on Friday refused to stop what would be the fourth nitrogen gas execution in the U.S., saying the inmate had not proven his claims that the new method is unconstitutionally cruel ...

states: equal volumes of different gases contain an equal number of particles under the same conditions of temperature and pressure 1 mol of hydrogen gas occupies ... 10 mol of nitrogen monoxide ...