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

Get Instant Summarized Text (Gist) The research elucidates that in a triangular cluster of water molecules, the collective rotational motion enhances proton tunneling, allowing protons to bypass ...

Specifically, it can combine two protons and two electrons to make H 2 ... such as forming carbon radicals and converting nitrogen to ammonia. To study the metalloenzymes that catalyze these reactions ...

ANGOLA, La. — Louisiana has carried out its first nitrogen gas execution on a man convicted of a killing decades ago, his lawyer says. The U.S. Supreme Court rejected a last-ditch effort to ...

Louisiana put a condemned man to death using nitrogen gas in its first execution since 2010, making it only the second state to administer the controversial method. The execution of Jessie Hoffman ...

Louisiana on Tuesday executed a death row inmate using nitrogen gas for the first time in state history and only the fifth time in U.S. history. Death row inmate Jessie Hoffman's execution is the ...

Nitrogen gas had only been used in death row executions four times before Tuesday, all in Alabama. Last year, the method was used to execute Carey Dale Grayson for the killing of Vickie DeBlieux ...

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 ...

ANGOLA, La. (AP) — Louisiana used nitrogen gas to put a man to death Tuesday evening for a killing decades ago, marking the first time the state has used the method as it resumed executions after a 15 ...

Louisiana plans to execute Jessie Hoffman Jr. using nitrogen gas, marking its first execution since 2010. Hoffman's lawyers sought to halt the execution, citing religious and constitutional concerns.

Louisiana used nitrogen gas to put Jessie Hoffman Jr., 46, to death Tuesday evening in the state's first execution in 15 years. Nitrogen gas has been used just four other times to execute a person ...