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

A convicted murderer and Louisiana death row inmate had his appeal denied hours before he is set to be executed by nitrogen ...

Death row inmate Jessie Hoffman's attorneys have been arguing that he shouldn't be executed by the controversial and largely ...

Nitrogen hypoxia requires pumping pure nitrogen through a full-facepiece respirator until the person dies by lack of oxygen.

A court in Louisiana ruled Jessie Hoffman can be put to death Tuesday using nitrogen hypoxia - deprivation of oxygen causing ...

Louisiana plans to use nitrogen gas to execute death row inmate Jessie Hoffman next week. Here's what to know about the ...

The formula is: Free Cash Flow = Operating Cash Flow - Capital Expenditures Operating cash flow and capital expenditures can be found on the cash flow statement of a company. For example ...

What kinds of fertilizers are best for your lawn and garden? Are organic or synthetic fertilizers the better option? Get the dirt on fertilizers here.

Under the protocol, the subject is strapped to a gurney, forced to breathe pure nitrogen gas through a mask placed on their face, depriving them of oxygen. The procedure is a relatively new ...

Under the protocol, the subject is strapped to a gurney, forced to breathe pure nitrogen gas through a mask placed on their face, depriving them of oxygen. Hoffman was just 18 when, prosecutors ...

Under the protocol, the subject is strapped to a gurney, forced to breathe pure nitrogen gas through a mask placed on their face, depriving them of oxygen.

Traditionally, car tires have been filled with compressed air. Air is 78 percent nitrogen and just under 21 percent oxygen, and the rest is water vapor, CO2, and small concentrations of noble ...