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

Lawyers for Louisiana and death row inmate Jessie Hoffman Jr. have agreed to unseal the state's nitrogen gas execution ...

Death row inmate Jessie Hoffman was executed by nitrogen gas in Louisiana after the state ... While nitro­gen accounts for near­ly 78% of the air humans breathe, when inhaled on its own, nitro ...

Authorities said the nitrogen gas flowed for 19 minutes during what ... "‘At least then, I’ll be able to breathe air at the time of my death.’ And the state has said no." Louisiana officials ...

The president wants to weaken limits on tailpipe pollution. Scientists say it’s driving climate change and taking human lives ...

By 2050, we will need to feed almost 1.8 billion more people, when our global population reaches around 10 billion.

Recent executions using nitrogen gas and firing squads have sparked controversy ... While nitro­gen accounts for near­ly 78% of the air humans breathe, when inhaled on its own, nitro­gen ...

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

The US state of Louisiana is set to carry out its first execution in 15 years using nitrogen gas, a method that is banned ...

Nitrogen naturally makes up roughly 78% of the air that people inhale, but pure nitrogen inhaled at the right level will deprive the body of oxygen and kill an individual in what experts believe ...

“The mask is a continuous-flow, full face, supplied air respirator with head straps," the protocol states. Prison officials will turn on the nitrogen hypoxia system and either allow the gas to ...

And here’s what nitrogen gas executions there look like ... which filled up with fluid as he struggled for air. It took 22 minutes before prison officials closed the curtains to indicate ...