hypoxia

Doctors, ethicists skeptical that nitrogen executions will be humane

BY: - September 7, 2023

Alabama’s announcement that it will try to execute Kenneth Eugene Smith by nitrogen gas suffocation will set off a round of issues about the ethics and practicality of using an untested and unproven method of execution. The Alabama Attorney General’s Office said in an Aug. 25 request to set an execution date for Smith that […]

The Gulf of Mexico's hypoxic "dead zone" at the end of the Mississippi River is seen by satellite south of Louisiana in 2017. NOAA scientists predict it will cover about 4,100 square miles this summer. (Credit: National Oceanic and Atmospheric Administration)

Gulf “dead zone” predicted to be twice the size of national goal. Again.

BY: - June 5, 2023

Scientists have released their 2023 forecast for the so-called “dead zone” in the Gulf of Mexico — predicting it will be around 4,100 square miles this summer. That’s much bigger than last year, but still smaller than average. The dead zone is a hypoxic area where low oxygen can kill fish and other marine life. It’s caused by […]