It is an experimental procedure." Nitrogen, a colourless, odourless gas, makes up 78 per cent of the air inhaled by humans and is harmless when breathed with proper levels of oxygen.

Burning natural gas generates high levels of nitrogen oxides, linked to asthma in children Emily Chung · CBC News · Posted: Apr 07, 2022 4:00 AM EDT | Last Updated: April 19, 2022 ...

Another bill, SB 430, was introduced by Democratic state Sen. Katrina Jackson-Andrews, seeking to undo HB 6’s nitrogen gas provision while preserving its other pieces.

Alabama’s second nitrogen gas execution is set to go ahead as planned after a death row inmate agreed to drop further litigation against the state as part of a settlement agreement. A federal ...

A version of this article appears in print on Sept. 28, 2024, Section A, Page 19 of the New York edition with the headline: Alabama Carries Out Its Second Nitrogen Gas Execution.

Another bill, SB 430, was introduced by Democratic state Sen. Katrina Jackson-Andrews, seeking to undo HB 6’s nitrogen gas provision while preserving its other pieces.