"Our modern homes are not ventilated as the ones in the past." Chemistry professor explains the invisible dangers of popular ...

The researchers used two catalysts, both based in transition metals, iridium and molybdenum for the experiment.

Before Rogers’ death, the most recent U.S. execution was in Florida and took place May 1, when Jeffrey Hutchinson, 62, died ...

This is despite a finding in the case that a man died from excessive inhalation of the gas in his workplace. Sign up for our Newsletters Kenneth Ray Jr. is alleged to have died on March 20, 2016 ...

The widow of Kenneth Ray Jr. had accused TimkenSteel Corporation of failing to provide the proper respiratory and safety equipment ... Brunner said the nitrogen gas fell within the definition ...

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 ...

Hoffman has been arguing that he shouldn't be executed by nitrogen gas because it violates his ... secretary of the Louisiana Department of Public Safety and Corrections. Hoffman, who was ...

Three people died and over 50 others fell sick as toxic gas leaked from a tanker parked at a chemical factory in Beawar district of Rajasthan, an official said. He said the factory owner and two ...

Convicted rapist and murderer Jessie Hoffman became the first death row inmate in Louisiana, and only the fifth in the United States, to be executed using nitrogen gas on Tuesday. Hoffman ...

“It went flawless,” Secretary of Louisiana’s Department of Public Safety Gary Westcott said. “There was nothing that happened incorrectly.” Nitrogen hypoxia was approved by the state ...

Caroline Tillman/The Federal Public Defender's Office for the Middle and Western Districts of Louisiana Louisiana has executed a convicted murderer using nitrogen gas, a first in the state's ...

Nitrogen gas had only been used in death row executions four times before Tuesday, all in Alabama. Last year, the method was used to execute Carey Dale Grayson for the killing of Vickie DeBlieux ...