Twenty million years after the Cambrian explosion, something lethal wiped ... caused by a poisonous wave of chemical gas called hydrogen sulfide. A geochemist at Northwest University in Xi ...
Hydrogen sulfide is a colorless ... In May 2023, there was an explosion at a shell facility. There was confusion about who owned the facility at the time. The Shell chemical plant and PEMEX ...
In addition to the Antrim Volunteer Fire Dept., Gulfport officials, an ODNR official and Guernsey County Emergency Management ...