The Antikythera mechanism is one of the most mysterious and fascinating ancient inventions from the ancient world. Largely a mystery until the last few decades, the device has fascinated ...

Death row inmate Jessie Hoffman was convicted of the brutal rape and murder of 28-year-old Molly Elliott in 1996. He had kidnapped her in New Orleans after she got off work. Hoffman has been ...

Nitrogen gas makes up 78% of Earth’s atmosphere and is an essential element in amino acids and proteins. However, plants and animals cannot use nitrogen gas directly. Root hair cells have a long ...

Louisiana is scheduled to use nitrogen gas in an execution for the first time tonight. Here's what to know ahead of the expected execution of Jessie Hoffman, Jr., age 46. Louisiana state law ...

When Louisiana carries out the execution of Jessie Hoffman on March 18, he will be strapped to a gurney, fitted with a gas mask and forced to breathe in nitrogen gas until his heart stops.

Lawyers for Jessie Hoffman Jr. argued that using nitrogen hypoxia to put him to death would violate his constitutional rights Giles Clarke/Getty A Louisiana inmate was scheduled to be the first ...

Arkansas became the fifth state to authorize nitrogen hypoxia as a method of execution Tuesday, after Republican Gov. Sarah Huckabee Sanders signed legislation codifying the controversial method ...

Jessie Hoffman was put to death on Tuesday after the Supreme Court declined to intervene. It was the state’s first execution since 2010. By Rick Rojas and Nicholas Bogel-Burroughs Rick Rojas ...

A federal judge has halted Louisiana’s first death row execution using nitrogen gas, which was scheduled to take place next week. US District Court Judge Shelly Dick issued a preliminary ...