Kilometers above the Earth’s surface, the ozone layer protects humanity and all life from the sun’s harmful ultraviolet rays. But in the troposphere, at ground level, this gas can wreak havoc on ...

People in the area were admitted to a local hospital after they complained of breathing problems, heaviness in chest and ...

So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that ...

Researchers develop a nickel catalyst that converts carbon dioxide to carbon monoxide with 99% selectivity by precisely ...

New research suggests “microlightning” exchanges among water droplets in Earth’s early atmosphere may have sparked the ...

He had kidnapped her in New Orleans after she got off work. Hoffman has been arguing that he shouldn't be executed by nitrogen gas because it violates his religious freedoms. Molly Elliott's ...

The method of using lethal gas to carry out an execution has recently shifted from cyanide to nitrogen. Throughout history, the states have used five different execution methods: lethal ...

The first execution using nitrogen gas was carried out in the US state of Louisiana. According to American media, 46-year-old prisoner Jesse Hoffman was executed after the Supreme Court overturned a ...